Certified Nutrition Support Clinician (CNSC) — Questions and Answers

Question 1: Which condition is a common nutritional consequence of prolonged night-shift work?

Hyperthyroidism
Hyperkalemia
Vitamin D deficiency (Correct answer)
Iron toxicity

Correct answer: Vitamin D deficiency

Night-shift workers have reduced sun exposure, which limits the skin's production of vitamin D, increasing deficiency risk.

Question 2: Which of the following is a key requirement when storing flammable liquids in a safety cabinet?

Flammable liquids must be mixed with water before storage
The cabinet must be refrigerated
The cabinet door must remain open for ventilation
The cabinet must be grounded and bonded and kept away from ignition sources (Correct answer)

Correct answer: The cabinet must be grounded and bonded and kept away from ignition sources

Flammable liquid storage cabinets must be properly grounded and bonded to prevent static discharge and kept away from ignition sources to prevent fires.

Question 3: What OSHA program allows employees to request a workplace inspection without revealing their identity to the employer?

Whistleblower Protection Program (Correct answer)
Confidential Complaint Program
OSHA Challenge Program
Voluntary Protection Program (VPP)

Correct answer: Whistleblower Protection Program

OSHA's Whistleblower Protection Program allows employees to file complaints confidentially under Section 11(c) of the OSH Act.

Question 4: According to NSC guidelines, what is the leading cause of death in the construction industry?

Falls from elevation (Correct answer)
Electrocution
Caught-in/between incidents
Being struck by objects

Correct answer: Falls from elevation

Falls from elevation are consistently the number-one cause of construction fatalities, accounting for roughly one-third of all construction deaths annually.

Question 5: What role does documentation play in NSC compliance?

It provides evidence of adherence to standards (Correct answer)
It is only needed for audits
It is optional
It replaces practical competency

Correct answer: It provides evidence of adherence to standards

Documentation provides verifiable evidence that standards and regulations are being followed, serving as proof of compliance.

Question 6: According to NIOSH ergonomic recommendations, what is the maximum recommended weight for a two-handed lift under ideal conditions?

25 lbs
35 lbs
75 lbs
51 lbs (Correct answer)

Correct answer: 51 lbs

The NIOSH Lifting Equation sets the recommended weight limit (RWL) with a maximum action limit of 51 lbs under ideal lifting conditions.

Question 7: Which of the following should be included in a special-needs emergency plan for elderly or disabled individuals?

A list of medical needs, medications, and contact information for caregivers (Correct answer)
A list of nearby restaurants with backup generators
Instructions only for the primary caregiver
Only a standard evacuation map

Correct answer: A list of medical needs, medications, and contact information for caregivers

Special-needs plans must document medical requirements, medications, assistive devices, and caregiver contacts to ensure appropriate support during a disaster.

Question 8: Which nutrient plays the most important role in supporting immune function for workers in high-exposure environments?

Saturated fat
Refined sugar
Sodium
Vitamin C (Correct answer)

Correct answer: Vitamin C

Vitamin C is an antioxidant that supports the immune system by stimulating the production and function of white blood cells.

Question 9: When a patient consumes anti-HIV Zerit, it may result in:

Malaria
Headache
Lipodystrophy (Correct answer)
Malnutrition

Correct answer: Lipodystrophy

Zerit (stavudine) is a nucleoside reverse transcriptase inhibitor (NRTI) that was commonly used in early HIV treatment regimens. A well-documented and significant side effect associated with Zerit, particularly among older generation NRTIs, is lipodystrophy. This condition involves an abnormal redistribution of body fat, often characterized by fat loss in the face and limbs (lipoatrophy) and fat accumulation in areas like the abdomen or neck.

Question 10: In NSC practice, what is the best approach to quality improvement in ergonomics?

Make changes without measuring results
Use data-driven methods with measurable outcomes (Correct answer)
Copy what other organizations do without analysis
Wait for problems to occur before acting

Correct answer: Use data-driven methods with measurable outcomes

Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.

Question 11: Which behavioral strategy is most effective for helping workers adopt long-term healthy eating habits?

Replacing all meals with supplements
Weekly mandatory nutritional audits
Small, incremental changes paired with positive reinforcement (Correct answer)
Setting strict short-term elimination diets

Correct answer: Small, incremental changes paired with positive reinforcement

Small, sustainable changes reinforced with positive feedback are more likely to become permanent habits compared to extreme or restrictive approaches.

Question 12: Which factor most commonly contributes to hydroplaning?

Using all-season tires in rain
Driving too fast on wet roads with worn tires (Correct answer)
Having tires inflated above recommended PSI
Driving on warm asphalt

Correct answer: Driving too fast on wet roads with worn tires

Hydroplaning occurs when water builds up under tires faster than it can be displaced, and worn tires or excess speed worsen this effect.

Question 13: A safety data sheet (SDS) Section 8 is most useful when selecting PPE because it contains:

The product's physical and chemical properties like boiling point
First aid measures in case of accidental exposure
Exposure controls and recommended personal protective equipment for the substance (Correct answer)
Transportation and regulatory information

Correct answer: Exposure controls and recommended personal protective equipment for the substance

SDS Section 8 (Exposure Controls/Personal Protection) lists occupational exposure limits and specifies the type of PPE required when handling or working with the substance.

Question 14: Which federal regulation requires employers to establish an Emergency Action Plan that includes fire evacuation procedures?

OSHA 29 CFR 1910.38 (Correct answer)
OSHA 29 CFR 1910.120
OSHA 29 CFR 1910.147
OSHA 29 CFR 1910.303

Correct answer: OSHA 29 CFR 1910.38

OSHA 29 CFR 1910.38 requires employers to develop and implement an Emergency Action Plan covering fire evacuation.

Question 15: Under OSHA's Fall Protection standard for general industry, at what height must employers provide fall protection?

6 feet
As determined by employer
10 feet
4 feet (Correct answer)

Correct answer: 4 feet

OSHA's general industry walking-working surfaces standard (29 CFR 1910.28) requires fall protection at heights of 4 feet or more.

Question 16: Which section of a Safety Data Sheet (SDS) contains first-aid measures?

Section 3
Section 2
Section 6
Section 4 (Correct answer)

Correct answer: Section 4

Section 4 of the GHS-aligned SDS provides first-aid measures for inhalation, skin contact, eye contact, and ingestion.

Question 17: Which component of a personal fall arrest system (PFAS) absorbs energy and limits the force on the worker during a fall?

Shock-absorbing lanyard (Correct answer)
Anchorage connector
Full-body harness
Self-retracting lifeline

Correct answer: Shock-absorbing lanyard

A shock-absorbing lanyard contains a deceleration device that deploys during a fall, extending the stop distance and reducing peak arrest forces.

Question 18: Which professional attribute is most valued in emergency preparedness within the NSC field?

Working in isolation
Avoiding challenging situations
Accountability and commitment to standards (Correct answer)
Prioritizing personal convenience

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 19: What does an electrical panel's 'arc flash label' required by NFPA 70E indicate?

The panel's installation date and installer name
The incident energy level, PPE category, and working distance for safe maintenance (Correct answer)
The maximum amperage the panel can carry
The color code for each circuit breaker

Correct answer: The incident energy level, PPE category, and working distance for safe maintenance

NFPA 70E arc flash labels provide workers with the incident energy, PPE category, and safe working distance for each piece of equipment.

Question 20: Which fire extinguisher class is specifically intended for flammable liquids and gases?

Class C
Class B (Correct answer)
Class K
Class A

Correct answer: Class B

Class B extinguishers are rated for flammable liquids such as gasoline, oil, and grease fires.

Question 21: What is the value of continuing education in fall protection for NSC professionals?

It is only needed for recertification
It keeps professionals current with evolving standards and practices (Correct answer)
It is primarily a social activity
It replaces workplace experience

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 22: Which government-issued system assigns severity levels to weather threats using a five-tier color-coded scale?

Emergency Alert System Threat Matrix
National Weather Service Hazard Scale
NOAA Storm Prediction Center Outlook (Correct answer)
National Terrorism Advisory System

Correct answer: NOAA Storm Prediction Center Outlook

The NOAA Storm Prediction Center uses a five-tier color-coded outlook (marginal through high) to communicate severe weather threat levels to the public.

Question 23: The purpose of cystic fibrosis treatment is to:

To increase fat and protein & Replacement of Pancreatic enzyme (Correct answer)
To increase fat and protein
Replacement of Pancreatic enzyme

Correct answer: To increase fat and protein & Replacement of Pancreatic enzyme

Cystic fibrosis causes pancreatic insufficiency, leading to malabsorption of fats, proteins, and fat-soluble vitamins. Therefore, pancreatic enzyme replacement is essential to improve digestion and nutrient absorption. Additionally, patients with cystic fibrosis have increased energy needs due to chronic infection and malabsorption, requiring significantly higher intakes of energy, protein, and fat to maintain nutritional status and support growth.

Question 24: Scaly, dry skin may be an indicator of malnutrition when conducting a physical examination that focuses on nutrition.

Vitamin A toxicity
Protein deficiency
Cholesterol deficieny
Essential fatty acid deficiency (Correct answer)

Correct answer: Essential fatty acid deficiency

Essential fatty acids (EFAs) are crucial for maintaining the integrity and function of skin cell membranes and the skin's barrier function. A deficiency in EFAs, particularly linoleic acid, can lead to impaired skin health, manifesting as characteristic symptoms like scaly, dry, and flaky skin, often accompanied by dermatitis.

Question 25: Which screening tool is commonly used by NSC-trained counselors to assess alcohol use disorder severity?

AUDIT (Correct answer)
PCL-5
PHQ-9
GAD-7

Correct answer: AUDIT

The Alcohol Use Disorders Identification Test (AUDIT) is the standard 10-item screening tool used to identify hazardous, harmful, and dependent alcohol use.

Question 26: How often should NSC compliance training be conducted?

Only during initial orientation
At regular intervals as required by regulations (Correct answer)
Every five years
Only when violations occur

Correct answer: At regular intervals as required by regulations

Compliance training must be conducted at regular intervals as specified by applicable regulations to keep practitioners current.

Question 27: When working near energized electrical equipment, which NSC-recommended practice reduces the risk of arc flash injury?

Wearing cotton clothing instead of synthetic fabrics
De-energizing and locking out the equipment before work begins whenever possible (Correct answer)
Using a wooden-handled tool near the panel
Working only during low-traffic hours

Correct answer: De-energizing and locking out the equipment before work begins whenever possible

The NSC and NFPA 70E both emphasize that de-energizing and locking out equipment before work is the best protection against arc flash.

Question 28: Under OSHA construction standards, what is the maximum height of the toe board required at open-sided floors and platforms?

6 inches
4 inches (Correct answer)
2 inches
3.5 inches

Correct answer: 4 inches

OSHA requires toe boards to be at least 3.5 inches tall, but the standard commonly referenced minimum is 4 inches to prevent tools and materials from rolling off edges.

Question 29: The largest negative impact gastrointestinal procedures have on a patient's nutritional state is

Ileal resection
Billroth III
All of these (Correct answer)
Billroth II

Correct answer: All of these

Billroth II and Billroth III procedures involve resecting parts of the stomach and rerouting the digestive tract, which can lead to dumping syndrome, malabsorption of iron, calcium, and fat-soluble vitamins due to bypassed duodenum. Ileal resection, on the other hand, specifically impairs the absorption of vitamin B12 and bile salts, crucial for fat digestion. All these gastrointestinal surgeries significantly disrupt normal digestive and absorptive processes, making them major contributors to negative nutritional impacts.

Question 30: What is the OSHA permissible exposure limit (PEL) for noise over an 8-hour time-weighted average?

95 dBA
80 dBA
90 dBA (Correct answer)
85 dBA

Correct answer: 90 dBA

OSHA's noise standard (29 CFR 1910.95) sets the PEL at 90 dBA as an 8-hour time-weighted average.

Question 31: What is a 'continuity of operations plan' (COOP) designed to ensure for an organization?

That essential functions continue during and after a disruption (Correct answer)
That insurance claims are filed within 24 hours
That employees receive emergency pay during disasters
That all non-essential staff are evacuated first

Correct answer: That essential functions continue during and after a disruption

A COOP ensures that an organization's essential functions and operations continue with minimal interruption during and after an emergency or disaster.

Question 32: Which MSD is characterized by numbness, tingling, and pain in the thumb, index, and middle fingers due to nerve compression at the wrist?

Carpal tunnel syndrome (Correct answer)
Trigger finger
Lateral epicondylitis
De Quervain's tenosynovitis

Correct answer: Carpal tunnel syndrome

Carpal tunnel syndrome results from compression of the median nerve within the carpal tunnel, causing symptoms in the thumb, index, and middle fingers.

Question 33: What is the correct depth of chest compressions for an average adult during CPR?

1 to 1.5 inches
3 to 3.5 inches
At least 3 inches
2 to 2.4 inches (Correct answer)

Correct answer: 2 to 2.4 inches

AHA guidelines specify chest compressions should be at least 2 inches but no more than 2.4 inches deep for adults.

Question 34: What is the correct method for disposing of a small amount of used solvent-soaked rags in the workplace?

Store them loosely in an open container
Rinse them in a sink and hang to dry
Place them in a self-closing, approved flammable waste container (Correct answer)
Place them in the regular trash

Correct answer: Place them in a self-closing, approved flammable waste container

Solvent-soaked rags must be stored in self-closing, approved flammable waste containers to prevent spontaneous combustion and fire hazards.

Question 35: A patient is having a severe asthma attack and is not responding to their rescue inhaler. Which finding indicates the patient's condition is critical?

Audible wheezing with each breath
Use of neck muscles during inhalation
Respiratory rate of 24 breaths per minute
Silent chest with no breath sounds on auscultation (Correct answer)

Correct answer: Silent chest with no breath sounds on auscultation

A 'silent chest' in a known asthmatic indicates near-complete airway obstruction with no air movement, signaling a life-threatening emergency.

Question 36: What does the 'B' in the CAGE questionnaire stand for?

Blackout (Correct answer)
Been drinking
Binge
Bothered

Correct answer: Blackout

CAGE stands for Cut down, Annoyed, Guilty, and Eye-opener — 'B' is not part of the acronym; 'Blackout' is a distractor.

Question 37: When performing CPR on an adult, what is the correct compression-to-ventilation ratio?

30:2 (Correct answer)
10:2
15:2
5:1

Correct answer: 30:2

The American Heart Association and NSC recommend a 30:2 compression-to-ventilation ratio for adult CPR.

Question 38: A truck driver develops low back pain after years of long-distance driving. Which ergonomic intervention would MOST directly address whole-body vibration exposure?

Using a seat belt at all times
Adjusting the rearview mirror
Strengthening core muscles through off-duty exercise
Installing a suspension seat with vibration-dampening capability (Correct answer)

Correct answer: Installing a suspension seat with vibration-dampening capability

Suspension seats with vibration-dampening systems directly attenuate whole-body vibration transmission from the vehicle to the driver.

Question 39: A 'sensitizer' chemical is hazardous because it can:

Explode when exposed to heat
React with skin oils to produce toxins
Cause an allergic reaction in subsequent exposures after initial sensitization (Correct answer)
Deplete oxygen in confined spaces

Correct answer: Cause an allergic reaction in subsequent exposures after initial sensitization

Sensitizers cause an allergic immune response; after initial exposure sensitizes a person, even tiny future doses can trigger severe reactions.

Question 40: What weight should an obese patient with chronic renal disease use when performing calculations?

Adjusted dry weight (Correct answer)
Ideal weight
Dry weight
Actual weight

Correct answer: Adjusted dry weight

For obese patients with chronic renal disease, especially those with fluid retention, using actual weight can overestimate energy and protein needs due to excess adipose tissue and fluid. Ideal weight may underestimate needs. Adjusted dry weight accounts for excess body fat while considering the patient's fluid status, providing a more accurate basis for calculating nutritional requirements in this complex patient population.

Question 41: Which type of ladder is prohibited from use near energized electrical equipment because it conducts electricity?

Composite ladder
Wood ladder
Aluminum ladder (Correct answer)
Fiberglass ladder

Correct answer: Aluminum ladder

Aluminum ladders are conductive and must not be used near energized electrical sources; fiberglass is the preferred non-conductive alternative.

Question 42: What is the LEAST likely cause of diarrhea in a hospitalized patient on enteral nutrition?

Malnutrition
Loss of blood
Soluble fiber
Difficile (Correct answer)

Correct answer: Difficile

While Clostridium difficile (C. difficile) is a common cause of diarrhea in hospitalized patients, it is an infectious cause often linked to antibiotic use, rather than a direct consequence of enteral nutrition (EN) itself. Diarrhea in patients on EN is more frequently attributed to factors like formula osmolarity, rapid infusion rates, medication side effects, or underlying malnutrition leading to gut atrophy. Therefore, when considering causes directly related to the feeding or the patient's nutritional state, C. difficile might be considered the least likely direct cause among the options, as it's an external pathogen.

Question 43: Which of the following distractions is classified as 'cognitive' in NSC's distracted driving framework?

Talking hands-free on a cell phone (Correct answer)
Eating while driving
Looking at a map on the dashboard
Adjusting the radio dial

Correct answer: Talking hands-free on a cell phone

Hands-free calls are cognitive distractions because mental focus shifts away from driving even though hands remain on the wheel.

Question 44: Which federal agency coordinates the national response to disasters in the United States?

OSHA
FEMA (Correct answer)
DHS
CDC

Correct answer: FEMA

FEMA (Federal Emergency Management Agency) is the primary federal agency responsible for coordinating disaster response and recovery.

Question 45: What is the main function of a Material Safety Data Sheet (MSDS) / Safety Data Sheet (SDS) in workplace emergencies?

To list emergency contact numbers for local hospitals
To provide detailed hazard and emergency response information for hazardous chemicals (Correct answer)
To outline company evacuation procedures
To document employee training records

Correct answer: To provide detailed hazard and emergency response information for hazardous chemicals

An SDS provides comprehensive information about chemical hazards, first aid measures, firefighting procedures, and safe handling for hazardous substances.

Question 46: Which assessment domain evaluates a client's ability to maintain employment and fulfill daily responsibilities?

Cognitive screening
Legal history
Trauma history
Functional assessment (Correct answer)

Correct answer: Functional assessment

Functional assessment examines the impact of substance use or mental health conditions on the client's ability to work, manage self-care, and meet obligations.

Question 47: In the context of NSC clinical evaluation, what does 'level of care' determination refer to?

The severity of the counselor's caseload
The number of sessions covered by a managed care plan
The client's insurance coverage tier
Matching a client to the appropriate treatment intensity based on assessment findings (Correct answer)

Correct answer: Matching a client to the appropriate treatment intensity based on assessment findings

Level of care determination uses ASAM criteria to match clients to the least restrictive but most appropriate treatment setting based on their clinical needs.

Question 48: When must a competent person inspect a safety net system?

After every fall arrest event
Once per month
Before each work shift (Correct answer)
At the start of each project only

Correct answer: Before each work shift

OSHA requires a competent person to inspect safety net systems before each work shift and after any fall arrest or impact event.

Question 49: Of the following, only one is untrue regarding a low serum albumin level?

It may be associated with ascites
It may be used to diagnosis esophageal reflux (Correct answer)
It may be an indicator of kwashiorkor
It is commonly seen in nephrotic syndrome

Correct answer: It may be used to diagnosis esophageal reflux

Low serum albumin is a common finding in conditions like nephrotic syndrome (due to protein loss), kwashiorkor (severe protein malnutrition), and ascites (due to reduced oncotic pressure). However, serum albumin levels are not a diagnostic marker for esophageal reflux. Esophageal reflux is typically diagnosed based on symptoms, endoscopy, or pH monitoring.

Question 50: Which of the following is the most appropriate immediate action when a client discloses active suicidal ideation with a plan during a clinical evaluation?

Schedule a follow-up appointment for next week
Document and continue the evaluation
Conduct a thorough risk assessment and initiate a safety plan or emergency referral (Correct answer)
Notify the client's employer

Correct answer: Conduct a thorough risk assessment and initiate a safety plan or emergency referral

Active suicidal ideation with a plan requires immediate risk assessment and implementation of a safety plan or emergency intervention to protect the client's life.

Question 51: Which concept describes providing workers with accurate information to make their own informed dietary choices?

Punitive incentive design
Mandatory compliance
Nutrition surveillance
Health literacy and empowerment (Correct answer)

Correct answer: Health literacy and empowerment

Health literacy and empowerment-based approaches give workers the knowledge and skills to make autonomous, informed dietary decisions.

Question 52: Per NSC recommendations, what is the first step in a fall protection hierarchy before selecting equipment?

Install guardrails
Select appropriate PPE
Eliminate the fall hazard entirely (Correct answer)
Write a rescue plan

Correct answer: Eliminate the fall hazard entirely

The hierarchy of controls places hazard elimination first — redesigning tasks or structures so the fall hazard no longer exists — before any protective measures.

Question 53: A 3-year-old child is found unresponsive and not breathing. You are alone. What should you do first?

Start an AED immediately
Give 2 minutes of CPR, then call 911 (Correct answer)
Give 5 back blows in case of choking
Call 911 immediately before doing anything else

Correct answer: Give 2 minutes of CPR, then call 911

For children, provide 2 minutes of CPR before leaving to call 911, as cardiac arrest in children is often respiratory in origin.

Question 54: A victim has a suspected spinal injury. How should you open the airway?

Tilt the head back as far as possible
Turn their head to the side
Head-tilt chin-lift method
Jaw thrust maneuver without head movement (Correct answer)

Correct answer: Jaw thrust maneuver without head movement

The jaw thrust maneuver opens the airway while minimizing spinal movement, making it the preferred method when spinal injury is suspected.

Question 55: Under OSHA's Lockout/Tagout standard, which step must be performed FIRST in an energy control procedure?

Identify all energy sources (Correct answer)
Notify affected employees
Apply lockout/tagout devices
Verify zero energy state

Correct answer: Identify all energy sources

The first step in LOTO is to identify all energy sources (electrical, hydraulic, pneumatic, etc.) before any other action.

Question 56: Which approach best demonstrates mastery of first aid and cpr in NSC practice?

Relying entirely on technology
Following procedures without understanding
Applying principles to novel situations with sound judgment (Correct answer)
Avoiding complex scenarios

Correct answer: Applying principles to novel situations with sound judgment

True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.

Question 57: According to NSC guidelines, what should workers do before using portable electric tools?

Plug in and test briefly before inspection
Inspect the tool and cord for visible damage, fraying, or missing ground prongs (Correct answer)
Verify the tool is less than five years old
Check the tool's wattage rating only

Correct answer: Inspect the tool and cord for visible damage, fraying, or missing ground prongs

Workers must visually inspect portable tools and their cords for damage, fraying, or missing grounding prongs before each use.

Question 58: What is the minimum safe clearance distance from energized overhead power lines for unqualified workers?

3 feet
6 feet
15 feet
10 feet (Correct answer)

Correct answer: 10 feet

OSHA requires at least 10 feet of clearance from energized overhead power lines for unqualified workers using standard equipment.

Question 59: According to OSHA and NSC guidelines, where does Personal Protective Equipment (PPE) fall in the hierarchy of hazard controls?

It is only required when administrative controls fail
First line of defense, used before any other control
It is equivalent in priority to engineering controls
Last resort, used when engineering and administrative controls are insufficient (Correct answer)

Correct answer: Last resort, used when engineering and administrative controls are insufficient

PPE is the last line of defense in the hierarchy of controls, used only when engineering controls, substitution, and administrative controls cannot adequately reduce hazards.

Question 60: What role does collaboration play in fall protection for NSC professionals?

It slows down work unnecessarily
It enhances outcomes through diverse perspectives and shared expertise (Correct answer)
It reduces individual accountability
It is only needed in emergencies

Correct answer: It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

Question 61: A construction worker exposed to lead should increase intake of which nutrient to help minimize lead absorption?

Zinc
Omega-6 fatty acids
Calcium (Correct answer)
Vitamin D

Correct answer: Calcium

Adequate calcium intake competes with lead for absorption in the gut, reducing the amount of lead that enters the bloodstream.

Question 62: What is the NSC's primary concern regarding energy drink consumption in the workplace?

They are too expensive for workers
High caffeine and sugar content may cause energy crashes and impaired alertness (Correct answer)
They increase worker productivity too much
They are not regulated by any agency

Correct answer: High caffeine and sugar content may cause energy crashes and impaired alertness

Energy drinks with high caffeine and sugar can cause initial stimulation followed by a crash, ultimately impairing the alertness and reaction time needed for safe work.

Question 63: According to NSC and OSHA guidelines, a written PPE program must include which of the following elements?

Employee medical records and fitness-for-duty evaluations
A list of PPE vendors and their pricing
Hazard assessment, PPE selection, training, and program evaluation (Correct answer)
Environmental impact statements for PPE disposal

Correct answer: Hazard assessment, PPE selection, training, and program evaluation

A complete PPE program must address hazard assessment, selection of appropriate PPE, employee training, and periodic evaluation of the program's effectiveness.

Question 64: What does 'IDLH' stand for in chemical safety, and what is its significance?

Inhalation Dose Limit for Humans — the 8-hour average exposure value
Integrated Daily Limit for Hazards — the maximum daily chemical intake
Immediately Dangerous to Life or Health — the concentration posing immediate risk of death or serious health effects (Correct answer)
Incident Detection Level for Hazardous materials — the sensor alarm threshold

Correct answer: Immediately Dangerous to Life or Health — the concentration posing immediate risk of death or serious health effects

IDLH (Immediately Dangerous to Life or Health) is the maximum concentration from which a worker could escape within 30 minutes without impairing escape or suffering irreversible health effects.

Question 65: What color is the ground wire in a standard US three-prong electrical cord?

Black
Green or bare copper (Correct answer)
Red
White or gray

Correct answer: Green or bare copper

In US wiring, the ground wire is green or bare copper, the neutral is white, and the hot wire is black.

Question 66: How much water per person per day should you store for an emergency supply kit?

Two gallons
Half a gallon
One gallon (Correct answer)
Three gallons

Correct answer: One gallon

FEMA and NSC recommend storing at least one gallon of water per person per day for at least three days.

Question 67: The patient is taking Zerit, an anti-HIV medication. This medication could lead to

AIDS wasting syndrome
Lipodystrophy (Correct answer)
Metabolic syndrome
Malnutrition

Correct answer: Lipodystrophy

Zerit (stavudine) is an anti-HIV medication, specifically a nucleoside reverse transcriptase inhibitor (NRTI). A well-known side effect associated with long-term use of stavudine is lipodystrophy, which involves abnormal fat redistribution, such as fat loss in the face and limbs (lipoatrophy) and fat accumulation in the abdomen and neck (lipohypertrophy). This can lead to significant body image issues and metabolic complications.

Question 68: What is the most reliable way to confirm correct endotracheal tube placement?

Checking the tube depth marking at the teeth
Observing chest rise during ventilation
Waveform capnography showing continuous CO2 detection (Correct answer)
Listening for breath sounds bilaterally over the lungs

Correct answer: Waveform capnography showing continuous CO2 detection

Waveform capnography is the gold standard for confirming ET tube placement because it continuously detects exhaled CO2 from the lungs.

Question 69: Which of the following best describes a 'near miss' in safety terminology?

A hazard identified during a formal audit
A recordable OSHA illness or injury
An incident that could have resulted in injury but did not (Correct answer)
An injury requiring medical treatment beyond first aid

Correct answer: An incident that could have resulted in injury but did not

A near miss is an unplanned event that did not result in injury or damage but had the potential to do so.

Question 70: Under OSHA bloodborne pathogen standards, what is the recommended first aid action immediately after a needlestick injury?

Apply a tourniquet
Immediately seek antiviral medication
Wash the area with soap and water (Correct answer)
Apply bleach to the wound

Correct answer: Wash the area with soap and water

OSHA recommends washing needlestick or sharps injuries immediately and thoroughly with soap and water.

Question 71: A victim is choking and can still cough forcefully. What is the appropriate first response?

Perform abdominal thrusts immediately
Begin back blows
Encourage the victim to keep coughing (Correct answer)
Call 9-1-1 and wait

Correct answer: Encourage the victim to keep coughing

If a choking victim can cough forcefully, encourage them to continue coughing, as it is the most effective way to dislodge the object.

Question 72: DASH diets are frequently used to treat:

Nephritis
Hypertension (Correct answer)
Hepatitis
Diabetes mellitus

Correct answer: Hypertension

DASH stands for Dietary Approaches to Stop Hypertension. As its name explicitly indicates, the DASH diet was specifically developed to help prevent and manage high blood pressure (hypertension). It achieves this by promoting a diet rich in fruits, vegetables, whole grains, and lean protein, while limiting sodium, saturated fat, and cholesterol.

Question 73: In motivational interviewing used during evaluation, what does 'OARS' stand for?

Objective assessment, Accurate recall, Reliable sources, Systematic review
Observation, Assessment, Reflection, Solutions
Open goals, Active listening, Readiness, Support
Open questions, Affirmations, Reflections, Summaries (Correct answer)

Correct answer: Open questions, Affirmations, Reflections, Summaries

OARS describes the four core communication skills in motivational interviewing: Open questions, Affirmations, Reflections, and Summaries.

Question 74: What does the term 'shelter-in-place' mean during an emergency?

Stay indoors and seal the building from outside air (Correct answer)
Gather at a pre-designated community meeting point
Evacuate to a nearby shelter immediately
Move to a basement or interior room for tornado protection

Correct answer: Stay indoors and seal the building from outside air

Shelter-in-place means remaining inside a building and sealing it from outside air, typically used during hazardous material incidents.

Question 75: Which approach best describes a 'nudge' in a workplace nutrition intervention?

Requiring nutrition classes for all employees
Fining workers for poor dietary choices
Prohibiting unhealthy foods entirely
Placing fruits and vegetables at eye level in the cafeteria (Correct answer)

Correct answer: Placing fruits and vegetables at eye level in the cafeteria

A nudge subtly changes the environment to make healthier choices easier without restricting freedom, such as positioning healthy foods prominently.

Question 76: When diluting concentrated sulfuric acid with water, the correct procedure is to:

Add water to acid slowly
Mix both simultaneously in equal amounts
Add acid to water slowly (Correct answer)
Heat the water first, then add acid

Correct answer: Add acid to water slowly

Acid should always be added slowly to water (never the reverse) to prevent the violent exothermic reaction from spattering concentrated acid.

Question 77: What does the NFPA 704 diamond's blue quadrant indicate?

Special hazard
Health hazard (Correct answer)
Fire hazard
Reactivity hazard

Correct answer: Health hazard

The blue (left) quadrant of the NFPA 704 diamond indicates health hazard on a scale of 0 to 4.

Question 78: Which professional attribute is most valued in hazard recognition within the NSC field?

Accountability and commitment to standards (Correct answer)
Avoiding challenging situations
Working in isolation
Prioritizing personal convenience

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 79: Which of the following best describes distributive shock?

Blood loss reducing circulating volume
Obstruction preventing blood flow from the heart
Decreased cardiac output due to heart muscle failure
Abnormal vasodilation causing relative hypovolemia (Correct answer)

Correct answer: Abnormal vasodilation causing relative hypovolemia

Distributive shock (including septic, anaphylactic, and neurogenic shock) occurs when widespread vasodilation causes blood to pool away from vital organs.

Question 80: Under OSHA's General Duty Clause, employers must protect workers from:

Only hazards addressed by specific OSHA standards
Recognized hazards likely to cause death or serious physical harm (Correct answer)
All conceivable risks in any environment
Conditions employees find personally uncomfortable

Correct answer: Recognized hazards likely to cause death or serious physical harm

Section 5(a)(1) of the OSH Act requires employers to eliminate recognized serious hazards even when no specific OSHA standard exists.

Question 81: When counseling workers about reducing cardiovascular risk through diet, which type of fat should be most limited?

Monounsaturated fat
Trans fat (Correct answer)
Polyunsaturated fat
Omega-3 fatty acids

Correct answer: Trans fat

Trans fats raise LDL (bad) cholesterol and lower HDL (good) cholesterol, significantly increasing cardiovascular disease risk.

Question 82: What is the primary purpose of the 'space cushion' concept in defensive driving?

To comply with minimum following distance laws
To reduce fuel consumption by drafting
To provide time and space to react to unexpected hazards (Correct answer)
To allow other drivers to merge more easily

Correct answer: To provide time and space to react to unexpected hazards

A space cushion gives you reaction time and maneuvering room to avoid crashes when hazards appear suddenly.

Question 83: A victim has a chemical burn to the eye. What is the correct first aid?

Cover the eye with a dry bandage
Apply burn cream directly to the eye
Rub the eye to remove the chemical
Flush the eye with large amounts of water for at least 15–20 minutes (Correct answer)

Correct answer: Flush the eye with large amounts of water for at least 15–20 minutes

Immediate and prolonged irrigation with water is critical to dilute and remove the chemical from the eye.

Question 84: Which of the following best describes 'controlled intersection' in NSC defensive driving?

An intersection with only yield signs
An intersection with no traffic controls
An intersection on a private road
An intersection managed by signals, signs, or officers (Correct answer)

Correct answer: An intersection managed by signals, signs, or officers

A controlled intersection has official traffic controls such as signals, stop signs, or traffic officers directing vehicles.

Question 85: A patient with suspected carbon monoxide poisoning presents with headache, dizziness, and confusion. What is the priority treatment?

Administer aspirin and monitor for improvement
Place in the recovery position and call 911
Induce vomiting to remove ingested toxins
Remove from the environment and give high-flow oxygen (Correct answer)

Correct answer: Remove from the environment and give high-flow oxygen

CO poisoning is treated by removing the patient from exposure and administering 100% high-flow oxygen to displace CO from hemoglobin.

Question 86: A worker consuming a high-sodium diet is at greatest risk for which occupational health condition?

Hypertension, which increases risk for cardiovascular events (Correct answer)
Iron-deficiency anemia
Osteoporosis
Vitamin B12 deficiency

Correct answer: Hypertension, which increases risk for cardiovascular events

Chronic high sodium intake raises blood pressure, increasing the risk of heart attack and stroke, which are leading causes of work-related mortality.

Question 87: What does the 'D' stand for in the NSC's emergency action steps (Check-Call-Care)?

Danger (Correct answer)
Documentation
Defibrillation
Diagnosis

Correct answer: Danger

Before providing care, you must Check the scene for Danger to ensure it is safe for both the rescuer and the victim.

Question 88: A company wants to evaluate the effectiveness of its nutrition intervention program. Which outcome measure is most relevant?

Changes in worker biometric data such as BMI, blood pressure, and cholesterol levels (Correct answer)
Total cafeteria revenue
Number of vending machine purchases
Number of nutrition pamphlets distributed

Correct answer: Changes in worker biometric data such as BMI, blood pressure, and cholesterol levels

Biometric outcomes like BMI, blood pressure, and cholesterol directly measure the health impact of a nutrition intervention program.

Question 89: In NSC practice, what is the best approach to quality improvement in first aid and cpr?

Wait for problems to occur before acting
Make changes without measuring results
Use data-driven methods with measurable outcomes (Correct answer)
Copy what other organizations do without analysis

Correct answer: Use data-driven methods with measurable outcomes

Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.

Question 90: What is the danger of using a generator indoors or in an attached garage during a power outage?

Risk of electrical fire from overloading circuits
Risk of fuel spill contaminating groundwater
Risk of noise ordinance violations
Risk of carbon monoxide poisoning (Correct answer)

Correct answer: Risk of carbon monoxide poisoning

Generators produce carbon monoxide, a colorless, odorless gas that can reach fatal concentrations indoors within minutes.

Question 91: In ergonomic lifting guidelines, what is the recommended zone for lifting loads to minimize spine stress?

At ankle height
Above shoulder height
Knuckle to shoulder height (power zone) (Correct answer)
Below knee height

Correct answer: Knuckle to shoulder height (power zone)

The 'power zone' — roughly knuckle to shoulder height — keeps lifts closest to the body's center of gravity, minimizing spine loading.

Question 92: The definition of impaired glucose tolerance is:

2-hour plasma glucose between 140-199 mg/dl (Correct answer)
Casual plasma glucose of 200 mg/dl or greater
Fasting plasma glucose (FPG) > 140 mg/dl
An HbA1c level of 6 or greater

Correct answer: 2-hour plasma glucose between 140-199 mg/dl

Impaired glucose tolerance (IGT) is a prediabetic state defined by a 2-hour plasma glucose level between 140-199 mg/dL (7.8-11.0 mmol/L) during an oral glucose tolerance test (OGTT). This indicates that blood glucose levels are higher than normal but not yet high enough to be diagnosed as type 2 diabetes. It signifies an increased risk for developing diabetes and cardiovascular disease.

Question 93: At what minimum height above a lower level does OSHA require fall protection in general industry?

6 feet
4 feet (Correct answer)
10 feet
8 feet

Correct answer: 4 feet

OSHA's general industry standard (29 CFR 1910) requires fall protection when workers are exposed to falls of 4 feet or more.

Question 94: A worker in a printing facility is exposed to isopropyl alcohol vapors throughout the day. This is BEST categorized as which type of hazard?

Ergonomic hazard
Biological hazard
Chemical hazard (Correct answer)
Physical hazard

Correct answer: Chemical hazard

Isopropyl alcohol vapor is a chemical hazard that can cause respiratory irritation, headaches, and central nervous system effects.

Question 95: At what blood alcohol concentration (BAC) does the law presume impairment for drivers 21 and older in all US states?

0.10%
0.08% (Correct answer)
0.12%
0.05%

Correct answer: 0.08%

All 50 states set the legal BAC limit for adult drivers at 0.08%, above which impairment is legally presumed.

Question 96: In the context of NSC ergonomics guidelines, what does 'neutral posture' refer to?

A posture with no movement at all
Body position where joints are not at extremes of their range of motion (Correct answer)
Lying flat on the back
Sitting with legs elevated

Correct answer: Body position where joints are not at extremes of their range of motion

Neutral posture means the body's joints are near the middle of their range of motion, minimizing stress on muscles and tendons.

Question 97: What is the correct technique for steering through a curve on a slippery road?

Steer sharply to exit the curve quickly
Reduce speed before the curve and maintain steady throttle through it (Correct answer)
Accelerate through the curve to maintain traction
Brake hard before the curve, then accelerate mid-curve

Correct answer: Reduce speed before the curve and maintain steady throttle through it

Braking before the curve and applying steady throttle through it keeps weight balanced and maximizes available traction.

Question 98: Which OSHA standard covers fall protection requirements specifically for the construction industry?

29 CFR 1910 Subpart D
29 CFR 1910 Subpart I
29 CFR 1926 Subpart M (Correct answer)
29 CFR 1926 Subpart R

Correct answer: 29 CFR 1926 Subpart M

29 CFR 1926 Subpart M is the OSHA standard that establishes fall protection requirements for construction worksites.

Question 99: Moreover, impaired glucose tolerance is distinguished by:

Casual plasma glucose of 400mg
A fasting plasma glucose of 100-125 mg/dl (Correct answer)
HbA1c level of 7 or more
Fasting plasma glucose (FPG)> 140 mg/dl

Correct answer: A fasting plasma glucose of 100-125 mg/dl

Impaired glucose tolerance (IGT) is a prediabetic state characterized by a fasting plasma glucose (FPG) level between 100-125 mg/dL (5.6-6.9 mmol/L), also known as impaired fasting glucose (IFG). This indicates that blood glucose levels are higher than normal but not yet high enough for a diabetes diagnosis, signifying an increased risk for developing type 2 diabetes.

Question 100: Which OSHA standard covers electrical safety requirements for general industry workplaces?

29 CFR 1910.119
29 CFR 1910.147
29 CFR 1910.134
29 CFR 1910.303–1910.399 (Correct answer)

Correct answer: 29 CFR 1910.303–1910.399

OSHA 29 CFR 1910.303–1910.399 covers electrical safety design and work practice requirements for general industry.

Question 101: What is the maximum time an AED should be used to analyze rhythm and deliver a shock before resuming CPR?

Up to 2 minutes
Up to 5 minutes
No more than 30 seconds
No more than 10 seconds (Correct answer)

Correct answer: No more than 10 seconds

Interruptions to chest compressions should be minimized and limited to no more than 10 seconds for AED analysis and shock delivery.

Question 102: Which color tag in the START triage system indicates a victim is deceased or has unsurvivable injuries?

Green
Red
Yellow
Black (Correct answer)

Correct answer: Black

Black tags in the START triage system are used to identify victims who are deceased or whose injuries are so severe that survival is unlikely even with care.

Question 103: Which sign best distinguishes a stroke from other emergencies?

Sudden facial drooping, arm weakness, or speech difficulty (Correct answer)
Chest pain radiating to the arm
Slow, bounding pulse
Difficulty breathing and wheezing

Correct answer: Sudden facial drooping, arm weakness, or speech difficulty

The FAST acronym (Face drooping, Arm weakness, Speech difficulty, Time to call 9-1-1) identifies classic stroke signs.

Question 104: A successful program for nutrition screening:

Is used only to screen for childhood diseases
Involves all members of the health care team who want to participate
Always uses food frequency questionnaires
Is based on the principles of sensitivity and specificity (Correct answer)

Correct answer: Is based on the principles of sensitivity and specificity

A successful nutrition screening program must be highly accurate in identifying individuals at nutritional risk. Sensitivity refers to the program's ability to correctly identify those who *do* have a nutritional problem (true positives), while specificity refers to its ability to correctly identify those who *do not* have a nutritional problem (true negatives). Both principles are fundamental for ensuring the screening tool is reliable and effective, minimizing both false positives and false negatives.

Question 105: Which of the following clinical factors in an acute care hospital is LEAST likely to be a sign of a patient who is nutritionally at risk?

Inadequate nutrition for 10 days
Extensive resection of the colon due to cancer
5% unplanned weight loss in a 1-month period
Intentional weight loss of 15% over a 6-month period in an obese individual (Correct answer)

Correct answer: Intentional weight loss of 15% over a 6-month period in an obese individual

Intentional weight loss in an obese individual, especially when medically supervised, is often a positive health intervention aimed at improving health outcomes. In contrast, unplanned weight loss, extensive surgical resections, or prolonged inadequate nutrition are strong indicators of nutritional risk due to underlying disease, malabsorption, or insufficient intake, making them more concerning in an acute care setting.

Question 106: Under OSHA's Globally Harmonized System (GHS), which signal word indicates a LESS severe hazard category?

Notice
Danger
Warning (Correct answer)
Caution

Correct answer: Warning

GHS uses 'Warning' for less severe hazard categories and 'Danger' for more severe ones; only these two signal words are used on GHS-compliant labels.

Question 107: A worker must be rescued or self-rescue within how many minutes after a fall arrest to prevent suspension trauma?

60 minutes
10 minutes
30 minutes (Correct answer)
5 minutes

Correct answer: 30 minutes

OSHA recommends that suspended workers be rescued within approximately 30 minutes to prevent orthostatic intolerance (suspension trauma).

Question 108: Regarding the low amount of serum albumin, which of these is untrue?

It may be locate with ascites
It can be mostly found in nephrotic syndrome
It might be a sign of kwashiorkor
It can be used to identify esophageal reflux (Correct answer)

Correct answer: It can be used to identify esophageal reflux

Question 109: Which of the following drugs has the lowest potential to make you gain weight?

Paxil
Elavil
Wellbutrin (Correct answer)
Prozaac

Correct answer: Wellbutrin

Wellbutrin (bupropion) is an antidepressant that is generally associated with weight loss or weight neutrality, unlike many other antidepressants which can cause weight gain. Its mechanism of action, involving norepinephrine and dopamine reuptake inhibition, contributes to this different side effect profile regarding weight. Therefore, it has the lowest potential to cause weight gain among the listed options.

Question 110: According to NSC guidelines, which eating pattern best supports sustained energy for shift workers?

Frequent small meals and snacks throughout the shift (Correct answer)
High-sugar snacks every hour
One large meal at the end of the shift
Fasting until the shift is complete

Correct answer: Frequent small meals and snacks throughout the shift

Frequent small meals help maintain stable blood glucose levels, preventing energy crashes during extended work periods.

Question 111: Which respirator provides the highest level of protection and is used in immediately dangerous to life or health (IDLH) atmospheres?

Half-face air-purifying respirator
Surgical mask
Full-face air-purifying respirator
Self-contained breathing apparatus (SCBA) (Correct answer)

Correct answer: Self-contained breathing apparatus (SCBA)

An SCBA supplies its own independent air source, giving the highest protection factor and is required in IDLH atmospheres.

Question 112: Which agency must be notified when a reportable quantity of a hazardous substance is released into the environment?

OSHA only
The chemical manufacturer directly
Only the local fire department
The National Response Center (NRC) and local emergency planning committees (Correct answer)

Correct answer: The National Response Center (NRC) and local emergency planning committees

Under CERCLA and EPCRA, releases of hazardous substances at or above reportable quantities must be reported to the National Response Center and applicable local/state agencies.

Question 113: An 'incompatible chemicals' scenario occurs when:

Two chemicals react dangerously when combined (Correct answer)
Two chemicals are stored at different temperatures
A chemical exceeds its shelf-life date
A chemical is used in a poorly ventilated area

Correct answer: Two chemicals react dangerously when combined

Incompatible chemicals are substances that, when mixed or stored together, can cause dangerous reactions such as fire, explosion, or toxic gas release.

Question 114: Which type of OSHA inspection receives the highest priority?

Follow-up inspections
Imminent danger investigations (Correct answer)
Programmed inspections
Referral inspections

Correct answer: Imminent danger investigations

OSHA prioritizes inspections in order, with imminent danger situations receiving the highest priority.

Question 115: What is the purpose of an Arc Flash Risk Assessment in the workplace?

To audit fire suppression systems near electrical panels
To identify the incident energy levels of electrical equipment and determine required PPE (Correct answer)
To document the age of electrical equipment in the facility
To certify electricians for high-voltage work

Correct answer: To identify the incident energy levels of electrical equipment and determine required PPE

An arc flash risk assessment determines the energy level of potential arc flash events and the appropriate PPE category required.

Question 116: What does 'Smith System' refer to in defensive driving?

A 5-step strategy for safe visual habits while driving (Correct answer)
A method for parallel parking
A braking technique for wet roads
A system for highway merging

Correct answer: A 5-step strategy for safe visual habits while driving

The Smith System is a five-step strategy that helps drivers manage visibility, space, and anticipate hazards.

Question 117: What is the minimum number of AED pads needed, and where are they placed on an adult?

One pad on the center of the chest
Three pads in a triangular pattern
Two pads — both on the left side of the chest
Two pads — one on the upper right chest and one on the lower left side (Correct answer)

Correct answer: Two pads — one on the upper right chest and one on the lower left side

Two AED pads are placed in specific positions to deliver an electrical shock across the heart — one below the right collarbone and one below the left armpit.

Question 118: In NSC certification, what is the primary purpose of regulatory compliance programs?

To increase revenue
To reduce staffing needs
To ensure adherence to laws and standards (Correct answer)
To eliminate competition

Correct answer: To ensure adherence to laws and standards

Regulatory compliance programs are designed to ensure organizations follow applicable laws, regulations, and standards.

Question 119: How does dehydration primarily affect worker safety, according to NSC guidance?

It has no effect on safety if food is consumed
It reduces caloric needs
It impairs cognitive function, reaction time, and physical performance (Correct answer)
It increases muscle size

Correct answer: It impairs cognitive function, reaction time, and physical performance

Even mild dehydration of 1–2% body weight loss can impair concentration, decision-making, and reaction time, elevating the risk of workplace accidents.

Question 120: Which of the following is a 'leading indicator' of workplace safety performance?

Percentage of safety training completed on schedule (Correct answer)
Days away from work due to injuries
Number of recordable injuries in the past year
Total workers' compensation costs year-to-date

Correct answer: Percentage of safety training completed on schedule

Leading indicators measure proactive safety activities — like training completion — that predict future injury prevention, unlike lagging indicators that count past incidents.

Question 121: What is the recommended first step when a NSC professional identifies a compliance violation?

Discuss on social media
Ignore it if minor
Document and report through proper channels (Correct answer)
Wait for someone else to report it

Correct answer: Document and report through proper channels

All compliance violations should be documented and reported through established channels to ensure proper investigation and resolution.

Question 122: Which of the following goals does the National Health and Nutrition Examination Survey (NHANES) aim to achieve?

Identification of low birth weight infants
Ongoing collection of health data from Americans < 65 years of age
Treatment for elevated blood lipid levels
Collection of dietary data using 24-hour recalls (Correct answer)

Correct answer: Collection of dietary data using 24-hour recalls

The National Health and Nutrition Examination Survey (NHANES) is a major program conducted by the CDC to assess the health and nutritional status of adults and children in the United States. A core objective of NHANES is to collect comprehensive dietary intake data from participants, primarily through two 24-hour dietary recalls, to monitor national trends in diet and nutrition over time.

Question 123: Which nutrient is most critical for wound healing after a workplace injury?

Caffeine
Carbohydrates
Saturated fat
Protein (Correct answer)

Correct answer: Protein

Protein provides the amino acids needed to rebuild damaged tissue and support immune function during wound healing.

Question 124: What is OSHA's permissible exposure limit (PEL) for noise during an 8-hour workday?

90 dBA (Correct answer)
80 dBA
95 dBA
85 dBA

Correct answer: 90 dBA

OSHA's 8-hour time-weighted average PEL for occupational noise exposure is 90 dBA.

Question 125: An employer receives an OSHA citation. How many days does the employer have to contest the citation?

30 calendar days
15 working days (Correct answer)
60 calendar days
10 working days

Correct answer: 15 working days

Employers must notify OSHA of intent to contest a citation within 15 working days of receiving it.

Question 126: Which type of emergency alert system broadcasts official warnings directly to mobile phones without requiring an app?

Wireless Emergency Alerts (WEA) (Correct answer)
Community Warning System
NOAA Weather Radio
Emergency Alert System (EAS)

Correct answer: Wireless Emergency Alerts (WEA)

Wireless Emergency Alerts (WEA) are sent directly to cell phones in an affected area without requiring sign-up or an app.

Question 127: Which professional attribute is most valued in ergonomics within the NSC field?

Accountability and commitment to standards (Correct answer)
Prioritizing personal convenience
Avoiding challenging situations
Working in isolation

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 128: Which PPE is required when handling chemicals that can cause severe skin burns?

Chemical-resistant gloves and protective apron (Correct answer)
Standard cotton work gloves
Latex examination gloves only
Safety glasses only

Correct answer: Chemical-resistant gloves and protective apron

Chemicals that cause burns require chemical-resistant gloves and a protective apron to prevent skin contact and serious injury.

Question 129: Before the first use and before each subsequent use, what must a worker do with their PPE?

Submit it for laboratory testing
Register it with the safety department
Replace it with a new unit regardless of condition
Inspect it for defects, damage, or deterioration (Correct answer)

Correct answer: Inspect it for defects, damage, or deterioration

PPE must be inspected before each use to identify any damage or defects that could compromise its protective capability.

Question 130: In construction, OSHA's fall protection standard (29 CFR 1926.502) requires fall protection at heights of:

10 feet
6 feet (Correct answer)
12 feet
4 feet

Correct answer: 6 feet

OSHA's construction fall protection standard requires fall protection when workers are exposed to falls of 6 feet or more.

Question 131: Omega-3 fatty acids are recommended in occupational health nutrition primarily because they help to:

Accelerate fat storage for energy reserves
Replace the need for dietary protein
Increase LDL cholesterol levels
Reduce inflammation and lower cardiovascular disease risk (Correct answer)

Correct answer: Reduce inflammation and lower cardiovascular disease risk

Omega-3 fatty acids have anti-inflammatory properties and lower triglyceride levels, significantly reducing the risk of heart disease.

Question 132: Which type of anchorage must be used when a single worker is attached and requires the anchorage to support fall arrest forces?

A beam clamp attached to a 2-inch steel pipe
Any structural beam rated 1,000 lbs
An anchorage capable of supporting 5,000 lbs per attached worker (Correct answer)
Any fixed point approved by a supervisor

Correct answer: An anchorage capable of supporting 5,000 lbs per attached worker

OSHA requires fall arrest anchorages to support at least 5,000 pounds per worker attached, or be designed with a safety factor of 2 by a qualified engineer.

Question 133: In the early postburn phase, what is a tolerable protein level for a patient with a 50% TBSA?

1.2-1.5 grams per kg
1.0-1.2 grams per kg
2.0-2.5 grams per kg (Correct answer)
1.5-2.0 grams per kg

Correct answer: 2.0-2.5 grams per kg

Patients with severe burns, such as a 50% TBSA, experience a profound hypermetabolic and hypercatabolic response, leading to significant protein breakdown and increased nitrogen losses. To counteract this catabolism, support wound healing, and maintain immune function, very high protein intakes, typically in the range of 2.0-2.5 grams per kg of body weight, are required in the early postburn phase.

Question 134: What is the correct first step when applying lockout/tagout (LOTO) before servicing equipment?

Apply the lockout device immediately
Verify zero energy state
Notify affected employees of the shutdown (Correct answer)
Release all stored energy first

Correct answer: Notify affected employees of the shutdown

The first LOTO step is to notify all affected employees before beginning the energy isolation process.

Question 135: What is the recommended daily fiber intake for adults, as generally supported by U.S. dietary guidelines?

10–15 grams per day
5–10 grams per day
50–60 grams per day
25–38 grams per day (Correct answer)

Correct answer: 25–38 grams per day

U.S. dietary guidelines recommend 25 grams of fiber per day for women and 38 grams for men to support digestive health and reduce chronic disease risk.

Question 136: When should PPE be permanently removed from service and disposed of?

Only when a safety inspector specifically directs its removal
After it has been used by more than one employee
After exactly 12 months of use, regardless of condition
When it has been damaged, failed to pass inspection, or reached its manufacturer's service life (Correct answer)

Correct answer: When it has been damaged, failed to pass inspection, or reached its manufacturer's service life

PPE should be removed from service when it shows signs of damage, fails inspection, or when the manufacturer's service life has been reached, since compromised PPE provides unreliable protection.

Question 137: What is the purpose of a fire watch?

To count the number of employees during evacuation
To inspect sprinkler heads quarterly
To guard fire extinguishers during a shift
To monitor an area for fire after hot work is completed (Correct answer)

Correct answer: To monitor an area for fire after hot work is completed

A fire watch involves a designated person monitoring an area for fire hazards after hot work operations such as welding.

Question 138: What should a driver do when merging onto a highway from an on-ramp?

Match highway speed and merge smoothly into a gap (Correct answer)
Force highway traffic to slow down for you
Use the shoulder to extend your acceleration distance
Stop at the end of the ramp and wait for a gap

Correct answer: Match highway speed and merge smoothly into a gap

Matching highway speed before merging reduces speed differentials that cause rear-end collisions.

Question 139: With one exception, all of these are mediated by the digestive hormone gastrin.

Increased in pressure of esophageal sphincter
Reduced of pepsinogen production by the stomach (Correct answer)
Increase of HCL
Increased gallbladder contraction

Correct answer: Reduced of pepsinogen production by the stomach

Gastrin is a digestive hormone primarily responsible for stimulating gastric acid (HCl) secretion by parietal cells and increasing pepsinogen secretion by chief cells. It also enhances gastric motility and increases the pressure of the lower esophageal sphincter. Therefore, reducing pepsinogen production is an untrue statement regarding gastrin's actions, as it actually increases it.

Question 140: A health promotion program wants to reduce obesity-related absenteeism. Which intervention is most evidence-based?

Providing nutrition education combined with healthy food access (Correct answer)
Issuing mandatory diet plans
Banning vending machines only
Requiring daily weigh-ins

Correct answer: Providing nutrition education combined with healthy food access

Combining nutrition education with improved access to healthy food options is the most evidence-based approach to reducing obesity in workplace settings.

Question 141: What ergonomic risk factor is associated with using a vibrating tool for extended periods?

Carpal tunnel syndrome only
Plantar fasciitis
Tennis elbow exclusively
Hand-arm vibration syndrome (HAVS) (Correct answer)

Correct answer: Hand-arm vibration syndrome (HAVS)

Hand-arm vibration syndrome (HAVS) causes vascular and neurological damage in the hands and arms from prolonged exposure to vibrating tools.

Question 142: Before entering a confined space where chemical vapors may be present, workers must:

Wear a dust mask and enter quickly
Test the atmosphere for oxygen, flammable gases, and toxic vapors (Correct answer)
Ventilate with a fan for 5 minutes
Post a warning sign and enter in pairs

Correct answer: Test the atmosphere for oxygen, flammable gases, and toxic vapors

OSHA's permit-required confined space standard mandates atmospheric testing for oxygen levels, flammable gases, and toxic contaminants before entry.

Question 143: According to the NSC, which of the following is the most common cause of electrical injuries in the workplace?

Contact with overhead power lines (Correct answer)
Overloaded circuits
Wet conditions near outlets
Defective power tools

Correct answer: Contact with overhead power lines

Contact with overhead power lines is the leading cause of electrical fatalities in the workplace, particularly in construction.

Question 144: What does the acronym PASS stand for when using a fire extinguisher?

Pull, Apply, Smother, Stop
Point, Activate, Suppress, Smother
Prepare, Aim, Squeeze, Spray
Pull, Aim, Squeeze, Sweep (Correct answer)

Correct answer: Pull, Aim, Squeeze, Sweep

PASS stands for Pull the pin, Aim at the base, Squeeze the handle, and Sweep side to side.

Question 145: The following are the liver cirrhosis's clinical symptoms.

Ascites and hypoalbuminemia (Correct answer)
Sleeping
Fat malabsorption
Abnormal swelling

Correct answer: Ascites and hypoalbuminemia

Liver cirrhosis impairs the liver's ability to synthesize albumin, a critical protein for maintaining oncotic pressure, leading to hypoalbuminemia. This low albumin level causes fluid to leak from blood vessels into the abdominal cavity, resulting in ascites. Therefore, ascites and hypoalbuminemia are key clinical indications of liver cirrhosis.

Question 146: For a worker managing type 2 diabetes, which meal strategy is most important during a work shift?

Consuming regular, balanced meals and snacks to stabilize blood glucose (Correct answer)
Avoiding all carbohydrates during the shift
Drinking juice frequently to prevent hypoglycemia
Eating one large meal to simplify scheduling

Correct answer: Consuming regular, balanced meals and snacks to stabilize blood glucose

Consistent meal timing with balanced macronutrients prevents dangerous blood glucose fluctuations in workers with type 2 diabetes.

Question 147: A worker is exposed to 50 ppm of a chemical for 4 hours and 100 ppm for 4 hours. What is the 8-hour TWA?

100 ppm
50 ppm
150 ppm
75 ppm (Correct answer)

Correct answer: 75 ppm

TWA = (50×4 + 100×4) / 8 = 600 / 8 = 75 ppm.

Question 148: For an infant (under 1 year) who is unresponsive with no normal breathing, what compression depth is correct?

Half the depth used for adults
At least 2 inches
About 1 inch (2.5 cm)
About 1.5 inches (4 cm) (Correct answer)

Correct answer: About 1.5 inches (4 cm)

For infants, compressions should be about 1.5 inches (4 cm) deep, using two fingers on the center of the chest.

Question 149: When applying a tourniquet for severe limb bleeding, where should it be placed?

2–3 inches above the wound, between the wound and the heart (Correct answer)
Directly over the wound
Over a joint for stability
Below the wound

Correct answer: 2–3 inches above the wound, between the wound and the heart

A tourniquet must be placed 2–3 inches above the wound toward the heart (proximal) to cut off blood flow to the injury site.

Question 150: Which term describes an OSHA violation where the employer knew or should have known of the hazard but made no reasonable effort to eliminate it?

Willful (Correct answer)
Other-than-serious
Serious
Repeat

Correct answer: Willful

A willful violation is one where the employer intentionally and knowingly commits a violation or is plainly indifferent to employee safety.

Question 151: Which of the following describes a 'caught-in or caught-between' hazard?

A worker being struck by a swinging load
A worker slipping on a wet floor
A worker's clothing becoming entangled in rotating machinery (Correct answer)
A worker developing carpal tunnel syndrome from typing

Correct answer: A worker's clothing becoming entangled in rotating machinery

Caught-in or caught-between hazards occur when a body part or clothing is caught in moving machinery or between objects.

Question 152: A full-body harness used in a personal fall arrest system must be inspected by a competent person:

Every five years or after any fall event, whichever comes first
Only when the manufacturer recommends replacement
Once per year only, during a scheduled safety audit
Before each use and after any fall event (Correct answer)

Correct answer: Before each use and after any fall event

OSHA requires fall arrest equipment to be inspected before each use and immediately removed from service after any fall event, as internal damage may not be visible.

Question 153: What does the PASS acronym stand for when using a fire extinguisher?

Push, Activate, Spray, Stop
Pull, Aim, Squeeze, Sweep (Correct answer)
Pull, Assess, Spray, Step back
Point, Aim, Shoot, Secure

Correct answer: Pull, Aim, Squeeze, Sweep

PASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep side to side.

Question 154: Which action is part of the 'recognize' step in the NSC hazard recognition process?

Identifying potential sources of harm in the work environment (Correct answer)
Reporting an incident to OSHA
Implementing engineering controls
Evaluating the severity of an existing injury

Correct answer: Identifying potential sources of harm in the work environment

Recognizing hazards means identifying sources of potential harm before an injury or illness occurs.

Question 155: What is the correct Drop, Cover, and Hold On technique during an earthquake?

Drop to your knees, stand against an interior wall, and hold on
Drop flat on your stomach, cover your head, and crawl outside
Drop to hands and knees, get under sturdy furniture, hold on until shaking stops (Correct answer)
Drop to the ground, run to a doorway, and hold the frame

Correct answer: Drop to hands and knees, get under sturdy furniture, hold on until shaking stops

Drop, Cover, and Hold On means getting on hands and knees, taking shelter under a sturdy desk or table, and holding on until shaking stops to protect against falling objects.

Question 156: During clinical evaluation, a client describes continuing to use opioids despite losing their job and family. This pattern reflects which DSM-5 criterion?

Unsuccessful efforts to cut down
Tolerance
Continued use despite negative consequences (Correct answer)
Withdrawal

Correct answer: Continued use despite negative consequences

Persistent use despite significant adverse consequences — occupational, familial, or social — is a core DSM-5 criterion for substance use disorder.

Question 157: If your vehicle's ABS activates during emergency braking, you should:

Maintain firm brake pressure and steer around the hazard (Correct answer)
Release the brake pedal to reset the system
Press harder, then release in pulses
Pump the brake pedal to help the system

Correct answer: Maintain firm brake pressure and steer around the hazard

ABS does the pumping for you; keeping steady firm pressure lets ABS maintain maximum braking force while you steer to avoid the hazard.

Question 158: Which of the following best describes a 'push' vs. 'pull' comparison in cart ergonomics?

Both are equally hazardous with no difference
Pushing is generally safer because it uses larger muscle groups and provides better control (Correct answer)
Pulling is safer only on inclines
Pulling a cart is always safer than pushing

Correct answer: Pushing is generally safer because it uses larger muscle groups and provides better control

Pushing a cart is generally preferred because it allows use of larger back and leg muscles, provides better visibility, and reduces shoulder strain.

Question 159: What does a Hazardous Materials Information System (HMIS) rating of '3' in the health category mean?

Serious health hazard — major injury possible with short-term exposure (Correct answer)
Minimal hazard — no significant risk
Severe health hazard — life-threatening with short-term exposure
Slight health hazard — minor irritation possible

Correct answer: Serious health hazard — major injury possible with short-term exposure

An HMIS health rating of 3 indicates a serious hazard where short-term exposure could cause serious, temporary or moderate residual injury.

Question 160: Which roofing work scenario requires fall protection under OSHA's low-slope roof rules when the roof is less than 4:12 pitch?

Work within 6 feet of the edge
Work only at the roof perimeter
Any work anywhere on the roof (Correct answer)
Work within 15 feet of the edge

Correct answer: Any work anywhere on the roof

On low-slope roofs, OSHA requires fall protection (guardrails, safety nets, or PFAS) for any work anywhere on the roof surface, not just near edges.

Question 161: Which dietary pattern is most strongly associated with reduced risk of chronic disease, as recommended in occupational health programs?

High-protein, zero-carbohydrate diet
Mediterranean-style diet rich in fruits, vegetables, whole grains, and healthy fats (Correct answer)
High-calorie diet for energy maintenance
A liquid-only diet for digestive rest

Correct answer: Mediterranean-style diet rich in fruits, vegetables, whole grains, and healthy fats

The Mediterranean diet is backed by extensive research showing significant reductions in cardiovascular disease, diabetes, and inflammation.

Question 162: What information is found in Section 8 of a Safety Data Sheet (SDS)?

Physical and chemical properties
First-aid measures
Exposure controls and personal protection (Correct answer)
Handling and storage guidelines

Correct answer: Exposure controls and personal protection

Section 8 covers exposure limits (PELs/TLVs) and recommended personal protective equipment for working with the chemical.

Question 163: What is electrical 'double insulation' in portable tools, and why is it significant for safety?

Two layers of rubber coating on the power cord only
Dual-rated insulation for both indoor and outdoor use
Two independent insulation systems that eliminate the need for a ground prong (Correct answer)
An insulated housing plus a grounded metal frame

Correct answer: Two independent insulation systems that eliminate the need for a ground prong

Double insulation uses two independent insulating systems so a single failure does not cause a shock hazard, allowing two-prong plugs on some tools.

Question 164: Which type of eye and face protection should be selected when there is a risk of chemical splash to the eyes?

A face shield worn alone without safety glasses
Standard safety glasses with side shields
Tinted sunglasses rated for UV protection
Indirect-vent chemical splash goggles (Correct answer)

Correct answer: Indirect-vent chemical splash goggles

Indirect-vent chemical splash goggles form a seal around the eyes and prevent liquid splashes from reaching eye tissue, which safety glasses cannot achieve.

Question 165: What is the primary role of iron in occupational health nutrition?

Building bone density
Metabolizing alcohol
Supporting oxygen transport in the blood (Correct answer)
Regulating blood pressure

Correct answer: Supporting oxygen transport in the blood

Iron is a core component of hemoglobin, which carries oxygen from the lungs to working muscles and organs.

Question 166: Which document must an employer post at the worksite from February 1 through April 30 each year?

OSHA Form 310
OSHA Form 300A (Correct answer)
OSHA Form 300
OSHA Form 301

Correct answer: OSHA Form 300A

OSHA Form 300A (Summary of Work-Related Injuries and Illnesses) must be posted from February 1 to April 30.

Question 167: What is the value of continuing education in emergency preparedness for NSC professionals?

It replaces workplace experience
It keeps professionals current with evolving standards and practices (Correct answer)
It is only needed for recertification
It is primarily a social activity

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 168: How should you position an unresponsive breathing adult who is not suspected of having a spinal injury?

Prone face-down
In the recovery position on their side (Correct answer)
Flat on their back
Seated upright

Correct answer: In the recovery position on their side

The recovery position keeps the airway open and reduces the risk of choking on vomit in an unresponsive but breathing victim.

Question 169: A warehouse worker in a hot environment loses significant sweat. Beyond water, which electrolyte is most urgently needed?

Potassium
Sodium (Correct answer)
Magnesium
Calcium

Correct answer: Sodium

Sodium is the primary electrolyte lost in sweat and must be replaced to maintain fluid balance and prevent hyponatremia.

Question 170: Under OSHA's Hazard Communication Standard (HazCom), how many sections must a Safety Data Sheet (SDS) contain?

12
16 (Correct answer)
8
20

Correct answer: 16

OSHA's HazCom Standard (29 CFR 1910.1200) requires SDSs to follow a standardized 16-section format aligned with the GHS.

Question 171: What does the acronym 'OSHA' stand for?

Office of Safety and Health Awareness
Occupational Standards and Hazard Agency
Organizational Safety and Hazard Assessment
Occupational Safety and Health Administration (Correct answer)

Correct answer: Occupational Safety and Health Administration

OSHA stands for Occupational Safety and Health Administration, the federal agency that enforces workplace safety standards.

Question 172: What is the minimum clearance that must be maintained in front of fire extinguisher locations and electrical panels to ensure access during an emergency?

24 inches
36 inches (Correct answer)
18 inches
48 inches

Correct answer: 36 inches

OSHA and NFPA standards require a minimum 36-inch clearance in front of fire extinguishers and electrical panels.

Question 173: Under the OSHA Hazard Communication Standard, what symbol on a GHS label warns of a health hazard such as carcinogenicity?

Flame
Skull and crossbones
Health hazard (person with starburst) (Correct answer)
Exclamation mark

Correct answer: Health hazard (person with starburst)

The health hazard pictogram (silhouette of a person with a starburst) indicates serious health hazards like carcinogens or reproductive toxins.

Question 174: Which type of fire detector is most effective at detecting slow, smoldering fires?

Photoelectric smoke detector (Correct answer)
Heat detector
Ionization smoke detector
Flame detector

Correct answer: Photoelectric smoke detector

Photoelectric smoke detectors are better at detecting slow, smoldering fires that produce large smoke particles.

Question 175: According to NSC guidance, which of the following actions should you take BEFORE an earthquake if you live in a seismically active area?

Identify the nearest high-rise building for shelter
Secure heavy furniture and appliances to walls (Correct answer)
Keep all windows open to reduce pressure buildup
Store all supplies in upper cabinets for quick access

Correct answer: Secure heavy furniture and appliances to walls

Securing heavy furniture, water heaters, and appliances to walls prevents them from tipping and causing injuries during earthquake shaking.

Question 176: Which professional attribute is most valued in first aid and cpr within the NSC field?

Prioritizing personal convenience
Avoiding challenging situations
Working in isolation
Accountability and commitment to standards (Correct answer)

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 177: When driving in heavy rain, you should reduce your speed by approximately how much compared to normal conditions?

One-half
5 mph
10 mph
One-third (Correct answer)

Correct answer: One-third

NSC guidelines recommend reducing speed by about one-third in heavy rain to account for reduced traction and visibility.

Question 178: What is the value of continuing education in first aid and cpr for NSC professionals?

It is only needed for recertification
It replaces workplace experience
It is primarily a social activity
It keeps professionals current with evolving standards and practices (Correct answer)

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 179: OSHA requires employers with more than how many employees to maintain the OSHA 300 injury and illness log?

10 (Correct answer)
50
25
5

Correct answer: 10

Employers with more than 10 employees in most industries must maintain OSHA 300 records of work-related injuries and illnesses.

Question 180: A wellness coordinator wants to assess nutritional risk in workers. Which screening tool is most commonly used?

Blood pressure cuff reading
Urinalysis only
Grip strength test
Body Mass Index (BMI) combined with dietary history (Correct answer)

Correct answer: Body Mass Index (BMI) combined with dietary history

BMI combined with a dietary history provides a practical, evidence-based initial screen for nutritional risk factors in occupational health settings.

Question 181: Which food preparation method best preserves the vitamin content of vegetables served in a workplace cafeteria?

Deep frying
Boiling for extended periods
Microwaving until fully browned
Steaming or light stir-frying (Correct answer)

Correct answer: Steaming or light stir-frying

Steaming and light stir-frying use minimal water and lower heat, which best preserves heat-sensitive and water-soluble vitamins like vitamin C and B vitamins.

Question 182: A newly hired worker is most at risk for workplace injury during which period?

During mandatory overtime shifts
After five years of service
During the first days and weeks on the job (Correct answer)
After returning from vacation

Correct answer: During the first days and weeks on the job

New workers lack familiarity with workplace hazards, equipment, and procedures, making the first weeks the highest-risk period.

Question 183: How often should NSC compliance training be conducted?

Every five years
At regular intervals as required by regulations (Correct answer)
Only when violations occur
Only during initial orientation

Correct answer: At regular intervals as required by regulations

Compliance training must be conducted at regular intervals as specified by applicable regulations to keep practitioners current.

Question 184: What is the correct hand position for chest compressions on an adult?

Two finger-widths above the xiphoid process
On the lower half of the sternum (Correct answer)
Directly over the heart on the left chest
On the upper third of the sternum

Correct answer: On the lower half of the sternum

Compressions should be delivered on the lower half of the sternum to maximize cardiac output and avoid injury.

Question 185: What is the primary ergonomic concern with prolonged use of a computer mouse?

Lower back compression
Ankle dorsiflexion fatigue
Ulnar nerve compression and shoulder strain (Correct answer)
Increased eye strain

Correct answer: Ulnar nerve compression and shoulder strain

Extended mouse use can compress the ulnar nerve at the wrist and cause shoulder strain from reaching away from the body.

Question 186: When is it acceptable to eat, drink, or apply cosmetics in an area where hazardous chemicals are used?

Never, unless no food-contact chemicals are present
Only during designated break times away from the chemical area (Correct answer)
If gloves are worn
After washing hands but while still in the work area

Correct answer: Only during designated break times away from the chemical area

Eating, drinking, and applying cosmetics should only occur in designated areas away from hazardous chemical zones to prevent accidental ingestion of contaminants.

Question 187: Lipodystrophy is prone to occur in patients who take the anti-HIV medication Zerit. A disorder known as lipodystrophy is defined by aberrant fat distribution throughout the body, which can cause changes in the form of the body and the buildup of fat in certain places. The patient may experience major physical and psychological effects from this side effect, which is frequently linked to the usage of Zerit.

Nasojejunal tube with a standard formula (Correct answer)
NPO until pain subsides, then allow diet to advance
Nasogastric tube with standard formula
Parenteral Nutrition

Correct answer: Nasojejunal tube with a standard formula

A nasojejunal tube delivers enteral nutrition directly into the jejunum, bypassing the stomach. This feeding method is often chosen for patients who are at high risk of aspiration, have severe gastroparesis, gastric outlet obstruction, or persistent vomiting that prevents gastric feeding. By bypassing the stomach, it reduces the risk of aspiration pneumonia and can improve tolerance, making it a safer and more effective option than nasogastric feeding or more invasive parenteral nutrition in certain clinical scenarios.

Question 188: In OSHA's hierarchy of controls, which control method is considered most effective at reducing hazards?

Engineering controls
Administrative controls
PPE
Elimination (Correct answer)

Correct answer: Elimination

Elimination — physically removing the hazard — is the most effective method in OSHA's hierarchy of controls.

Question 189: Which OSHA standard requires employers to provide and pay for personal protective equipment (PPE) used to protect workers?

29 CFR 1910.119
29 CFR 1910.132 (Correct answer)
29 CFR 1910.147
29 CFR 1910.212

Correct answer: 29 CFR 1910.132

29 CFR 1910.132 establishes the general PPE standard and requires employers to provide and pay for required PPE.

Question 190: When assessing a patient's breathing, which finding would be MOST concerning?

Respiratory rate of 20 breaths per minute during exertion
Agonal respirations (gasping) in an unresponsive patient (Correct answer)
Slightly irregular breathing during sleep
Respiratory rate of 16 breaths per minute

Correct answer: Agonal respirations (gasping) in an unresponsive patient

Agonal respirations are irregular gasping breaths that indicate the brain is no longer controlling breathing normally and CPR should be initiated.

Question 191: What is the recommended way to signal for help if trapped under debris?

Shout continuously until rescued
Wave your arms to attract attention
Attempt to dig yourself out immediately
Tap on pipes or walls using a steady pattern (Correct answer)

Correct answer: Tap on pipes or walls using a steady pattern

Tapping on pipes or solid surfaces conserves energy and travels farther than shouting, helping rescuers locate you.

Question 192: Which of the following scenarios BEST illustrates a 'fall from elevation' hazard?

A forklift driver on an incline
A roofer working near an unguarded roof edge (Correct answer)
A ladder stored improperly against a wall
A worker tripping over a cord on the ground floor

Correct answer: A roofer working near an unguarded roof edge

Working near an unguarded roof edge creates a fall from elevation hazard, one of the leading causes of construction fatalities.

Question 193: Which professional attribute is most valued in fall protection within the NSC field?

Avoiding challenging situations
Working in isolation
Accountability and commitment to standards (Correct answer)
Prioritizing personal convenience

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 194: A safety professional notices workers are drowsy after eating at the cafeteria. Which cafeteria change would best address post-meal drowsiness?

Reducing refined carbohydrates and increasing fiber and protein (Correct answer)
Serving meals faster
Adding more dessert options
Offering larger portion sizes

Correct answer: Reducing refined carbohydrates and increasing fiber and protein

High-glycemic refined carbohydrates cause rapid blood sugar spikes followed by crashes; replacing them with fiber and protein promotes steadier energy levels.

Question 195: A swing fall hazard occurs when a worker is anchored to a point that is NOT directly above them. What is the primary danger?

Reduced deceleration time
Increased free-fall distance
Anchor point overload
Pendulum-like swing into a structure (Correct answer)

Correct answer: Pendulum-like swing into a structure

When the anchorage is not directly overhead, a falling worker swings like a pendulum and can strike walls, columns, or equipment with significant force.

Question 196: What is the role of a Community Emergency Response Team (CERT) member?

To operate emergency communications infrastructure
To manage federal disaster funding distribution
To replace professional first responders at major disaster scenes
To support professional responders and assist neighbors with basic disaster response skills (Correct answer)

Correct answer: To support professional responders and assist neighbors with basic disaster response skills

CERT members are trained volunteers who support professional responders by performing basic rescue, first aid, and fire suppression until help arrives.

Question 197: What is the primary purpose of applying a tourniquet to an extremity?

To reduce swelling and inflammation after injury
To stop life-threatening bleeding that cannot be controlled by direct pressure (Correct answer)
To immobilize a fractured limb during transport
To prevent infection in an open wound

Correct answer: To stop life-threatening bleeding that cannot be controlled by direct pressure

A tourniquet is applied to control severe, life-threatening arterial bleeding from an extremity when direct pressure is insufficient.

Question 198: What is the maximum fine OSHA can impose for a willful or repeated violation as of recent updates?

$70,000
$7,000
$156,259 (Correct answer)
$15,625

Correct answer: $156,259

OSHA adjusts penalties for inflation; willful or repeated violations carry a maximum penalty of $156,259 per violation (as of 2023 adjustments).

Question 199: What is the most important professional competency for NSC certification in emergency preparedness?

Memorization of all reference materials
Speed of task completion
Ability to work alone exclusively
Deep knowledge combined with practical application skills (Correct answer)

Correct answer: Deep knowledge combined with practical application skills

Professional competency requires both deep knowledge of the subject matter and the ability to apply that knowledge in practical situations.

Question 200: A child begins seizing. After the seizure ends, what is the most important first aid action?

Place the child in the recovery position and monitor breathing (Correct answer)
Restrain the child to prevent movement
Give the child water immediately
Insert something in the child's mouth

Correct answer: Place the child in the recovery position and monitor breathing

After a seizure, placing the child on their side in the recovery position protects the airway and allows monitoring until full recovery.

Question 201: How many days does an employer have to report a worker fatality to OSHA?

7 days
24 hours
3 days
8 hours (Correct answer)

Correct answer: 8 hours

Employers must report any work-related fatality to OSHA within 8 hours of learning about it.

Question 202: Which document typically outlines the compliance requirements for NSC professionals?

Standards of practice and code of conduct (Correct answer)
Marketing brochure
Employee handbook
Annual financial report

Correct answer: Standards of practice and code of conduct

Standards of practice and codes of conduct define the professional and ethical requirements practitioners must follow.

Question 203: A worker frequently skips breakfast before a long shift. What is the most likely nutritional consequence?

Reduced blood glucose leading to fatigue (Correct answer)
Improved concentration
Decreased caloric need
Increased muscle mass

Correct answer: Reduced blood glucose leading to fatigue

Skipping breakfast can cause blood glucose to drop, impairing alertness, concentration, and physical performance during a shift.

Question 204: What is the recommended rate of chest compressions per minute for CPR?

120–140 per minute
60–80 per minute
100–120 per minute (Correct answer)
80–100 per minute

Correct answer: 100–120 per minute

CPR should be performed at a rate of 100 to 120 compressions per minute to optimize blood circulation.

Question 205: A patient has burns covering both arms and the front of their torso. Using the Rule of Nines, what percentage of BSA is burned?

36% (Correct answer)
18%
45%
27%

Correct answer: 36%

Each arm = 9% (18% total) + front torso = 18%, totaling 36% BSA using the Rule of Nines.

Question 206: By using the Guthrie test, one can diagnose:

Phenylketonuria (Correct answer)
Glycogen storage disase
Galactosemia
Ornithine transcarboxylase deficiency

Correct answer: Phenylketonuria

The Guthrie test is a widely recognized and utilized screening method for diagnosing Phenylketonuria (PKU) in newborns. This test detects elevated levels of phenylalanine in a blood sample, indicating the genetic disorder where the body cannot properly metabolize this amino acid. Early diagnosis through the Guthrie test is crucial for initiating treatment and preventing severe neurological damage.

Question 207: When following a large truck on the highway, what is the recommended minimum following distance?

2 seconds
4 seconds (Correct answer)
1 car length
10 feet per 10 mph

Correct answer: 4 seconds

Large trucks require at least a 4-second following distance because they block your view and need more stopping distance.

Question 208: A chemical with a flash point below 73°F (23°C) is classified as a:

Oxidizer
Reactive material
Flammable liquid (Correct answer)
Combustible liquid

Correct answer: Flammable liquid

Under OSHA and NFPA standards, liquids with flash points below 73°F (23°C) are classified as flammable liquids due to their higher ignition risk.

Question 209: Which extinguishing agent is recommended for Class C (energized electrical equipment) fires?

Water
Foam
Wet chemical
Carbon dioxide (CO2) or dry chemical (Correct answer)

Correct answer: Carbon dioxide (CO2) or dry chemical

CO2 and dry chemical agents are non-conductive and safe for use on energized electrical equipment fires.

Question 210: What does a GCS (Glasgow Coma Scale) score of 8 or below indicate?

Mild concussion requiring observation
Moderate impairment with no immediate danger
Normal neurological function in an anxious patient
Severe brain injury requiring airway protection (Correct answer)

Correct answer: Severe brain injury requiring airway protection

A GCS of 8 or less indicates severe neurological impairment and the patient likely cannot protect their airway.

Question 211: Which condition would MOST likely be identified as a slip hazard during a workplace inspection?

An overloaded electrical outlet
A frayed electrical cord near a workstation
A wet floor near the building entrance without signage (Correct answer)
An improperly labeled chemical container

Correct answer: A wet floor near the building entrance without signage

Wet floors without warning signs create slip hazards because workers cannot anticipate the loss of traction.

Question 212: Treatment for hypertension frequently involves the use of:

Chlorophenamine
Anti-malarial
DASH diet (Correct answer)
Bondoment

Correct answer: DASH diet

The DASH (Dietary Approaches to Stop Hypertension) diet is an evidence-based eating plan specifically designed to lower blood pressure and is a primary non-pharmacological treatment for hypertension. It emphasizes fruits, vegetables, whole grains, lean protein, and low-fat dairy, while limiting saturated and total fat, cholesterol, and sodium, making it highly effective for blood pressure management.

Question 213: Which fall protection method physically prevents a worker from reaching a fall hazard rather than arresting a fall after it begins?

Safety net system
Personal fall arrest system
Fall restraint system (Correct answer)
Warning line system

Correct answer: Fall restraint system

A fall restraint system limits a worker's movement so they physically cannot reach the unprotected edge, preventing the fall entirely.

Question 214: Excessive consumption of which mineral is most closely linked to elevated blood pressure in workers?

Sodium (Correct answer)
Potassium
Iron
Calcium

Correct answer: Sodium

High sodium intake causes the body to retain water, increasing blood volume and blood pressure, raising the risk of hypertension.

Question 215: What role does documentation play in NSC compliance?

It is optional
It is only needed for audits
It provides evidence of adherence to standards (Correct answer)
It replaces practical competency

Correct answer: It provides evidence of adherence to standards

Documentation provides verifiable evidence that standards and regulations are being followed, serving as proof of compliance.

Question 216: Which sign indicates a tension pneumothorax in a trauma patient?

Bradycardia with elevated blood pressure
Bilateral wheezing with equal breath sounds
Tracheal deviation away from the injured side (Correct answer)
Pinpoint pupils and slow respirations

Correct answer: Tracheal deviation away from the injured side

Tension pneumothorax causes tracheal deviation away from the affected side due to air pressure pushing mediastinal structures.

Question 217: An employee refuses to wear required PPE because it is uncomfortable. What is the correct employer response according to NSC safety management principles?

Immediately terminate the employee for insubordination
Require the employee to sign a waiver releasing the employer from liability
Allow the employee to work without PPE if no immediate hazard is visible
Investigate the comfort issue, explore alternative PPE options, and enforce the PPE policy if necessary (Correct answer)

Correct answer: Investigate the comfort issue, explore alternative PPE options, and enforce the PPE policy if necessary

NSC recommends a collaborative approach: identify the comfort problem, select better-fitting or more ergonomic PPE where possible, and enforce compliance through progressive discipline if needed.

Question 218: What is the maximum free-fall distance allowed by OSHA when using a personal fall arrest system?

6 feet (Correct answer)
3.5 feet
12 feet
10 feet

Correct answer: 6 feet

OSHA limits free fall to 6 feet or less when using a PFAS to cap the forces experienced during arrest.

Question 219: What is the recommended keyboard tray position to maintain a neutral wrist posture while typing?

At chin height
Tilted upward (positive tilt) at 15 degrees
Level or slightly tilted downward (negative tilt) (Correct answer)
Below the knees

Correct answer: Level or slightly tilted downward (negative tilt)

A level or negative-tilt keyboard position allows the wrists to remain straight and reduces ulnar deviation and wrist extension.

Question 220: A self-retracting lifeline (SRL) differs from a standard lanyard primarily because it:

Requires no anchorage when attached to the harness
Has a longer maximum length of 12 feet
Automatically takes up slack and limits free fall (Correct answer)
Is only approved for horizontal lifeline use

Correct answer: Automatically takes up slack and limits free fall

An SRL continuously retracts to remove slack and, upon sensing a sudden increase in speed, locks and limits free fall to inches rather than feet.

Question 221: A grocery cashier develops wrist pain after months of scanning products. Which control measure is MOST effective at reducing cumulative trauma?

Providing wrist splints during work
Redesigning the checkout station to reduce reach and wrist angles (Correct answer)
Requiring workers to report pain immediately
Posting warning signs about repetitive motion

Correct answer: Redesigning the checkout station to reduce reach and wrist angles

Engineering controls like workstation redesign address the root cause of awkward postures and are more effective than personal protective devices.

Question 222: What is 'target fixation' and why is it dangerous?

Setting a cruise control speed target
Keeping eyes on your GPS target
Focusing on a hazard so intensely that you steer toward it (Correct answer)
Fixating on the vehicle ahead's brake lights

Correct answer: Focusing on a hazard so intensely that you steer toward it

Target fixation causes drivers to unconsciously steer toward what they're staring at, increasing crash risk.

Question 223: What is a 'near-miss' in workplace safety terminology?

An incident that could have caused injury but did not (Correct answer)
A safety violation cited by an inspector
A minor injury requiring first aid only
An equipment malfunction during normal operation

Correct answer: An incident that could have caused injury but did not

A near-miss is an unplanned event with no injury or damage but with the potential to cause harm.

Question 224: Which GHS pictogram represents an acute toxicity hazard (fatal or toxic if ingested, inhaled, or absorbed through skin)?

Biohazard symbol
Skull and crossbones (Correct answer)
Exclamation mark
Flame

Correct answer: Skull and crossbones

The skull and crossbones GHS pictogram signifies acute toxicity at categories 1–3, indicating the chemical can be fatal or toxic through various exposure routes.

Question 225: What is the purpose of the 'head-tilt chin-lift' maneuver?

To check for spinal injuries
To open the airway by moving the tongue away from the throat (Correct answer)
To position the patient for chest compressions
To stimulate breathing in an unconscious patient

Correct answer: To open the airway by moving the tongue away from the throat

The head-tilt chin-lift opens the airway by lifting the chin, which moves the tongue away from the back of the throat.

Question 226: What does the Dietary Guidelines for Americans recommend as the daily limit for added sugars?

Less than 10% of total daily calories (Correct answer)
Less than 25% of total daily calories
Less than 5% of total daily calories
No specific limit is recommended

Correct answer: Less than 10% of total daily calories

The Dietary Guidelines for Americans recommend limiting added sugars to less than 10% of total daily caloric intake.

Question 227: A patient presents with sudden severe chest pain radiating to the left arm, sweating, and nausea. What condition should you suspect?

Pulmonary embolism
Panic attack
Aortic dissection
Acute myocardial infarction (Correct answer)

Correct answer: Acute myocardial infarction

Chest pain radiating to the left arm with diaphoresis and nausea are classic signs of acute myocardial infarction (heart attack).

Question 228: The phenylketonuria test that is used to identify

Genotype
Blood sample
Guthrie test (Correct answer)
VPR

Correct answer: Guthrie test

Question 229: A patient has a suspected spinal injury. Which action should be avoided unless absolutely necessary?

Moving the patient without proper spinal precautions (Correct answer)
Applying oxygen via non-rebreather mask
Assessing responsiveness by speaking to the patient
Monitoring airway and breathing

Correct answer: Moving the patient without proper spinal precautions

Moving a patient with a suspected spinal injury without proper immobilization can worsen the injury and cause permanent paralysis.

Question 230: Which type of PPE is classified as 'dielectric' and protects workers from electrical shock?

Hard hat with a chin strap
Anti-static wrist strap
Leather work gloves
Rubber insulating gloves rated for the voltage class (Correct answer)

Correct answer: Rubber insulating gloves rated for the voltage class

Rubber insulating gloves with an appropriate voltage class rating are classified as dielectric PPE and protect against electrical shock.

Question 231: During a safety walkthrough, you see extension cords running under a rug in a high-traffic area. What is the PRIMARY hazard?

Fire hazard from heat buildup and potential overload (Correct answer)
Biological contamination from the rug material
Ergonomic strain from reaching over the cord
Chemical exposure from the cord insulation

Correct answer: Fire hazard from heat buildup and potential overload

Extension cords under rugs can overheat due to trapped heat, creating a fire hazard and also a hidden trip hazard.

Question 232: In NSC practice, what is the best approach to quality improvement in emergency preparedness?

Wait for problems to occur before acting
Copy what other organizations do without analysis
Use data-driven methods with measurable outcomes (Correct answer)
Make changes without measuring results

Correct answer: Use data-driven methods with measurable outcomes

Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.

Question 233: What is the role of collateral information sources in a clinical evaluation?

They are only used in forensic evaluations
They replace the need for client self-report
They provide additional perspectives to corroborate or supplement the client's history (Correct answer)
They are optional and rarely used

Correct answer: They provide additional perspectives to corroborate or supplement the client's history

Collateral sources such as family members or prior treatment records add context and help verify or clarify the client's self-reported history.

Question 234: Which of the following is an example of an electrical hazard?

A damaged extension cord with exposed wiring in a wet area (Correct answer)
Excessive noise from a generator
An improperly stacked pallet in a storage area
A coworker using incorrect lifting technique

Correct answer: A damaged extension cord with exposed wiring in a wet area

Damaged cords with exposed wiring in wet environments create serious electrical shock and electrocution hazards.

Question 235: During a hazard identification process, which sense is LEAST reliable for detecting all workplace hazards?

Sight
Smell
Touch (Correct answer)
Hearing

Correct answer: Touch

Touch is the least reliable method because hazards like hot surfaces, energized equipment, and chemicals can cause immediate injury before recognition.

Question 236: A victim is unresponsive and not breathing normally. After calling 911, what is the correct sequence to begin CPR?

Start chest compressions at a rate of 100-120 per minute (Correct answer)
Place the victim in the recovery position and wait for EMS
Give 2 rescue breaths, then start chest compressions
Check for a pulse for at least 30 seconds before starting CPR

Correct answer: Start chest compressions at a rate of 100-120 per minute

Begin CPR immediately with chest compressions at 100-120 per minute before giving rescue breaths.

Question 237: Which of the following is a key indicator that a safety culture includes strong hazard recognition practices?

Workers actively report near misses and unsafe conditions without fear of retaliation (Correct answer)
Workers only report hazards after an injury occurs
Management conducts inspections once per year
Hazard reports are kept confidential from employees

Correct answer: Workers actively report near misses and unsafe conditions without fear of retaliation

A strong safety culture encourages proactive hazard reporting, including near misses, to prevent injuries before they occur.

Question 238: Which vitamin deficiency is most associated with impaired night vision, which can be a safety hazard in low-light work environments?

Vitamin A (Correct answer)
Vitamin D
Vitamin K
Vitamin C

Correct answer: Vitamin A

Vitamin A is essential for producing rhodopsin, the pigment in the eyes that enables vision in low-light conditions.

Question 239: What does OSHA require employers to do within 24 hours of a work-related inpatient hospitalization, amputation, or eye loss?

Suspend all operations
File OSHA Form 301
Conduct a third-party investigation
Report the incident to OSHA (Correct answer)

Correct answer: Report the incident to OSHA

OSHA requires employers to report inpatient hospitalizations, amputations, or eye losses within 24 hours of learning about them.

Question 240: What distinguishes a diagnostic impression from a confirmed diagnosis in a clinical evaluation?

A diagnostic impression requires supervisor approval; a confirmed diagnosis does not
A diagnostic impression is a working hypothesis that may evolve; a confirmed diagnosis meets full criteria after thorough assessment (Correct answer)
There is no meaningful difference between the two
A diagnostic impression is based on lab results; a confirmed diagnosis uses interviews

Correct answer: A diagnostic impression is a working hypothesis that may evolve; a confirmed diagnosis meets full criteria after thorough assessment

A diagnostic impression is a preliminary clinical judgment formed early in evaluation, while a confirmed diagnosis requires comprehensive assessment meeting all DSM-5 criteria.

Question 241: What is the maximum gap allowed between a safety net and the work surface it protects below according to OSHA?

No specific limit
10 feet
20 feet
30 feet (Correct answer)

Correct answer: 30 feet

OSHA requires safety nets to be installed as close as practicable below the work surface and no more than 30 feet below it.

Question 242: Which dietary component is the body's preferred fuel source during high-intensity physical labor?

Dietary fat
Protein
Carbohydrates (Correct answer)
Alcohol

Correct answer: Carbohydrates

Carbohydrates are broken down into glucose, which is the preferred and most rapidly available fuel for high-intensity muscular work.

Question 243: When using an AED on a victim with a pacemaker, what should you do?

Use half the normal energy setting on the AED
Place pads directly over the pacemaker for best conductivity
Avoid placing pads directly over the pacemaker device (Correct answer)
Do not use an AED on anyone with a pacemaker

Correct answer: Avoid placing pads directly over the pacemaker device

AED pads should be placed at least 1 inch away from an implanted pacemaker or defibrillator to avoid interference.

Question 244: Which NSC-recommended practice helps prevent fires caused by combustible dust accumulation?

Requiring PPE in all production areas
Installing additional smoke detectors
Regular housekeeping and dust collection system maintenance (Correct answer)
Using only Class B extinguishers

Correct answer: Regular housekeeping and dust collection system maintenance

Regular housekeeping to remove combustible dust and maintaining dust collection systems are key NSC-recommended fire prevention practices.

Question 245: Which element is NOT required to be included on a GHS-compliant hazard label?

Manufacturer's annual revenue (Correct answer)
Signal word
Precautionary statements
Hazard pictograms

Correct answer: Manufacturer's annual revenue

GHS labels must include product identifier, signal word, hazard statements, precautionary statements, pictograms, and supplier info — not financial data.

Question 246: What does an Automated External Defibrillator (AED) do?

Provides oxygen to a cardiac arrest victim
Delivers an electric shock to restore a normal heart rhythm (Correct answer)
Administers emergency medications automatically
Monitors blood pressure during cardiac events

Correct answer: Delivers an electric shock to restore a normal heart rhythm

An AED analyzes a victim's heart rhythm and delivers a controlled electric shock to restore normal rhythm in cases of ventricular fibrillation or pulseless ventricular tachycardia.

Question 247: What minimum tensile strength must a top rail of a guardrail system be able to withstand per OSHA construction standards?

500 lbs at mid-span
200 lbs outward or downward (Correct answer)
350 lbs at any point
100 lbs in any direction

Correct answer: 200 lbs outward or downward

OSHA requires construction guardrail top rails to withstand at least 200 pounds of force applied outward or downward at any point.

Question 248: What does OSHA's General Duty Clause (Section 5(a)(1)) require of employers?

Provide written safety programs for all tasks
Train all workers in OSHA standards annually
Post the OSHA 300 log at all work sites
Provide a workplace free from recognized serious hazards (Correct answer)

Correct answer: Provide a workplace free from recognized serious hazards

Section 5(a)(1) requires employers to furnish a place of employment free from recognized hazards likely to cause death or serious physical harm.

Question 249: A construction worker has a large piece of metal impaled in his thigh. What is the correct first aid approach?

Leave the object in place and stabilize it with bulky dressings (Correct answer)
Pack the wound tightly around the object with gauze
Apply a tourniquet above the impaled object immediately
Remove the object immediately to control bleeding

Correct answer: Leave the object in place and stabilize it with bulky dressings

An impaled object should never be removed because it may be plugging blood vessels; stabilize it in place and await EMS.

Question 250: When selecting gloves for protection against chemical hazards, what is the most important factor to consider?

The country of manufacture and brand reputation
The color and thickness of the glove material
Whether the gloves are reusable or disposable
The chemical compatibility of the glove material with the specific substance (Correct answer)

Correct answer: The chemical compatibility of the glove material with the specific substance

Chemical compatibility must be verified because no single glove material protects against all chemicals, and an incompatible glove can degrade rapidly and allow exposure.

Certified Nutrition Support Clinician (CNSC)

The CNSC credential validates advanced clinical knowledge in enteral and parenteral nutrition support for healthcare professionals managing patients in acute and chronic care settings. The exam is administered by the National Board of Nutrition Support Certification (NBNSC).

250

Questions

240 min

Time Limit

70%

To Pass

Checking for saved progress...

Exam Rules

You can skip questions and return to them later
Flag questions for review before submitting
No feedback shown until you submit the entire exam
Unanswered questions count as wrong — answer everything
10 pretest questions are mixed in and don't affect your score
Timer auto-submits when time runs out
Your progress is auto-saved every 30 seconds