NBSTSA Certified Surgical Technologist (CST) — Questions and Answers

Question 1: Methylene blue may be administered intraoperatively to treat which condition?

Hypocalcemia following parathyroid surgery
Methemoglobinemia (Correct answer)
Malignant hyperthermia
Heparin overdose

Correct answer: Methemoglobinemia

Methylene blue acts as an electron donor to reduce methemoglobin back to functional hemoglobin.

Question 2: How should a CST professional handle a situation where quality assurance & performance improvement protocols conflict with practical constraints?

Always ignore the protocols in favor of practicality
Make a unilateral decision without consultation
Avoid addressing the conflict entirely
Document the conflict and seek guidance from appropriate authorities (Correct answer)

Correct answer: Document the conflict and seek guidance from appropriate authorities

When protocols conflict with practical constraints, the professional approach is to document the conflict and seek guidance, ensuring transparency and compliance while working toward a resolution.

Question 3: Which layer of the abdominal wall is the deepest fascia layer directly overlying the peritoneum?

Scarpa's fascia
Transversalis fascia (Correct answer)
Camper's fascia
External oblique aponeurosis

Correct answer: Transversalis fascia

Transversalis fascia lies directly beneath the transversus abdominis muscle and just superficial to the peritoneum.

Question 4: When the surgeon requests a 'running suture,' the ST should anticipate providing:

A pledgeted mattress suture
Multiple interrupted pre-tied sutures
A continuous strand on a needle with no free ties (Correct answer)
Staples for skin closure

Correct answer: A continuous strand on a needle with no free ties

A running (continuous) suture uses a single uninterrupted strand passed repeatedly through tissue, requiring only two knots total.

Question 5: What is the correct action after noticing missing instruments?

Ignore it
Ask the surgeon later
Hide the missing data
Report it and initiate an instrument count (Correct answer)

Correct answer: Report it and initiate an instrument count

If missing instruments are noticed, the immediate and correct action is to report it to the surgical team and initiate a thorough instrument count. This is a critical patient safety protocol to prevent retained surgical items, which can lead to serious complications. The count must be reconciled before the patient leaves the operating room to ensure all items are accounted for.

Question 6: What is a common challenge professionals face when applying quality assurance & performance improvement principles in Certified Surgical Technician?

Excessive simplicity of industry regulations
Lack of any professional development opportunities
Balancing theoretical knowledge with practical application (Correct answer)
Having too much support from colleagues

Correct answer: Balancing theoretical knowledge with practical application

Balancing theoretical knowledge with practical application is a well-recognized challenge, as real-world scenarios often present complexities not covered in standard training.

Question 7: What is the purpose of applying a sterile dressing at the end of a procedure?

Indicate the surgery site for postoperative staff
Secure surgical drains permanently in place
Replace the need for postoperative antibiotic therapy
Protect the wound from contamination and absorb drainage (Correct answer)

Correct answer: Protect the wound from contamination and absorb drainage

A sterile dressing protects the surgical wound from environmental contamination and absorbs any drainage from the incision.

Question 8: Which postoperative task is the scrub ST responsible for regarding sharps disposal?

Passing uncapped sharps back to the circulator for disposal
Leaving sharps on the Mayo stand for instrument processing staff
Placing all sharps in an approved puncture-resistant sharps container (Correct answer)
Recapping needles with one hand and discarding in regular waste

Correct answer: Placing all sharps in an approved puncture-resistant sharps container

All sharps must be disposed of in approved puncture-resistant containers to comply with OSHA bloodborne pathogen standards.

Question 9: Which monitoring device measures the depth of anesthesia by analyzing brain electrical activity?

Arterial line
Capnograph
Bispectral Index (BIS) monitor (Correct answer)
Pulse oximeter

Correct answer: Bispectral Index (BIS) monitor

The Bispectral Index (BIS) monitor processes EEG signals and produces a numerical value (0–100) that reflects anesthetic depth.

Question 10: Which antiseptic is commonly used in surgical skin prep?

Hydrogen peroxide
Alcohol wipes
Povidone-iodine (Correct answer)
Sterile water

Correct answer: Povidone-iodine

Povidone-iodine is a widely used antiseptic for surgical skin preparation due to its broad-spectrum antimicrobial activity. It effectively kills bacteria, viruses, and fungi on the skin, significantly reducing the microbial load and lowering the risk of surgical site infections.

Question 11: Which electrosurgical unit (ESU) setting is used to cut tissue with a continuous waveform?

Cut (Correct answer)
Fulguration
Blend
Coagulation

Correct answer: Cut

The 'cut' mode uses a continuous, unmodulated waveform that generates heat rapidly enough to vaporize cells and divide tissue.

Question 12: During ophthalmic surgery for cataract removal using phacoemulsification, what does the handpiece do?

Injects viscoelastic into the anterior chamber
Cuts the anterior capsule
Uses ultrasonic energy to emulsify and aspirate the lens (Correct answer)
Measures intraocular pressure

Correct answer: Uses ultrasonic energy to emulsify and aspirate the lens

The phacoemulsification handpiece uses ultrasonic vibration to fragment the lens nucleus, which is then aspirated through the same tip.

Question 13: Sterile gloves torn or punctured during a procedure must be:

Changed immediately after notifying the surgeon (Correct answer)
Left in place until a critical step in the procedure is complete
Covered with a second pair of sterile gloves over the damaged pair
Assessed for depth of puncture before deciding to change

Correct answer: Changed immediately after notifying the surgeon

Torn or punctured gloves must be changed immediately because the barrier is broken and microorganisms can migrate to the sterile field.

Question 14: Which standard of practice is MOST important for ensuring quality in Surgical Pharmacology?

Strictly adhering to the same procedure in every situation
Following evidence-based protocols while adapting to specific circumstances (Correct answer)
Minimizing documentation to focus on practical work
Using the most advanced technology available regardless of need

Correct answer: Following evidence-based protocols while adapting to specific circumstances

Evidence-based protocols provide a foundation of proven practices, but effective Certified Surgical Technician professionals must also adapt their approach based on specific circumstances and individual case needs within Surgical Pharmacology.

Question 15: Which suture gauge is the LARGEST in diameter?

4-0 (0000)
2-0 (00)
2 (size 2) (Correct answer)
0 (single zero)

Correct answer: 2 (size 2)

In the USP suture sizing system, higher numbers above zero (e.g., 2, 3) indicate larger diameter sutures, while higher numbers below zero (e.g., 4-0) indicate smaller diameters.

Question 16: Which technology trend is most likely to impact communication & interprofessional collaboration in the CST field in coming years?

Reduction in the need for professional certification
Digital tools for enhanced data collection, analysis, and reporting (Correct answer)
Return to exclusively paper-based systems
Complete elimination of human professionals

Correct answer: Digital tools for enhanced data collection, analysis, and reporting

Digital tools for enhanced data collection, analysis, and reporting represent the most significant and practical technology trend impacting communication & interprofessional collaboration, augmenting rather than replacing professional expertise.

Question 17: What is the minimum exposure time for a gravity displacement steam sterilizer operating at 250°F (121°C) for a wrapped instrument set?

30 minutes (Correct answer)
10 minutes
15 minutes
45 minutes

Correct answer: 30 minutes

Wrapped instrument sets in a gravity displacement cycle at 121°C require a minimum of 30 minutes exposure time.

Question 18: Which intravenous induction agent is most associated with pain on injection and is chosen for its rapid onset and short duration?

Midazolam
Ketamine
Propofol (Correct answer)
Etomidate

Correct answer: Propofol

Propofol frequently causes pain upon IV injection but provides rapid, smooth induction and quick recovery due to its short context-sensitive half-life.

Question 19: The surgical technologist notices the surgeon is using a retention suture. What is the PRIMARY purpose of retention sutures?

To provide additional support in high-tension closures (Correct answer)
To close the peritoneum securely
To ligate bleeding vessels
To approximate skin edges precisely

Correct answer: To provide additional support in high-tension closures

Retention (stay) sutures provide additional mechanical support across a wound under high tension, reducing the risk of dehiscence.

Question 20: Which level of personal protective equipment (PPE) is required when handling contaminated surgical instruments in the decontamination area?

Sterile gloves and surgical gown only
Heavy-duty utility gloves, fluid-resistant gown, mask, and eye protection (Correct answer)
Standard examination gloves and lab coat
N95 respirator and sterile gown

Correct answer: Heavy-duty utility gloves, fluid-resistant gown, mask, and eye protection

Decontamination area personnel must wear heavy-duty utility gloves, fluid-resistant gown, mask, and eye protection to protect against splash and sharps exposure.

Question 21: Which type of anesthesia blocks nerve transmission in a specific region of the body without causing loss of consciousness?

General anesthesia
Topical anesthesia
Regional anesthesia (Correct answer)
Monitored anesthesia care

Correct answer: Regional anesthesia

Regional anesthesia blocks nerve impulses in a targeted area, allowing the patient to remain awake while the surgical site is numbed.

Question 22: A sterile field is considered contaminated when:

Moisture soaks through a sterile drape to the surface below (Correct answer)
A scrubbed team member turns away from the field momentarily
A scrub technician reaches over the unsterile instrument table
A sterile package is opened and placed on the field by the circulator from a distance of 12 inches

Correct answer: Moisture soaks through a sterile drape to the surface below

Strike-through contamination occurs when moisture creates a pathway for microorganisms through a sterile drape to an unsterile surface below.

Question 23: During decontamination, instruments with box locks and hinges should be processed:

Closed to prevent damage to the ratchet mechanism
Soaked in enzymatic solution for at least 4 hours
Disassembled and cleaned separately
In the open position to allow cleaning of all surfaces (Correct answer)

Correct answer: In the open position to allow cleaning of all surfaces

Hinged instruments must be opened during decontamination so all surfaces, especially in the box lock area, are accessible to cleaning agents.

Question 24: When a conflict arises between standard procedures and a unique situation in Operating Room Setup & Management, what should a CST professional prioritize?

Safety and ethical obligations while seeking expert consultation (Correct answer)
Strict adherence to written procedures without exception
The most cost-effective solution available
The preference of the client or stakeholder

Correct answer: Safety and ethical obligations while seeking expert consultation

Safety and ethics always take priority in Operating Room Setup & Management. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.

Question 25: During the preoperative skin prep, which motion technique is used when preparing a surgical site?

Back-and-forth strokes from periphery to center
Random overlapping strokes across the entire field
Circular motion from the incision site outward (Correct answer)
Linear strokes from top to bottom only

Correct answer: Circular motion from the incision site outward

Circular motion from the center (incision site) outward prevents contaminating a clean area with organisms from the periphery.

Question 26: A Penrose drain is classified as which type of drain?

Sump drain
Passive open drain (Correct answer)
Active open drain
Active closed-suction drain

Correct answer: Passive open drain

A Penrose drain is a soft rubber tube that drains passively by gravity and capillary action without suction.

Question 27: Which hair removal method is preferred to minimize surgical site infection (SSI) risk?

Depilatory cream applied 48 hours prior
Razor shave immediately before incision
Razor shave the night before surgery
Clipping hair immediately before the procedure (Correct answer)

Correct answer: Clipping hair immediately before the procedure

Clipping (not shaving) immediately before the procedure is preferred because it causes fewer microabrasions that could harbor bacteria.

Question 28: What is the correct patient position for most abdominal surgeries?

Lithotomy
Supine (Correct answer)
Prone
Lateral decubitus

Correct answer: Supine

Supine (flat on back) is the standard position for most abdominal procedures, providing the surgeon direct anterior access.

Question 29: The blood-brain barrier is primarily formed by which cell type?

Oligodendrocytes
Astrocyte foot processes (Correct answer)
Schwann cells
Microglia

Correct answer: Astrocyte foot processes

Astrocyte end-feet (perivascular feet) ensheath brain capillaries and contribute to the tight junctions that form the blood-brain barrier.

Question 30: Which topical hemostatic agent is derived from oxidized regenerated cellulose and works by providing a physical matrix for clot formation?

Thrombin
Gelfoam
Bone wax
Surgicel (Correct answer)

Correct answer: Surgicel

Surgicel (oxidized regenerated cellulose) is an absorbable hemostatic fabric that provides a physical scaffold for platelet aggregation and clot formation.

Question 31: What documentation practice is considered essential in Surgical Asepsis & Sterile Technique within the Certified Surgical Technician field?

Using shorthand notes that can be expanded later if needed
Recording actions, observations, and outcomes in real-time or as close to the event as possible (Correct answer)
Completing all documentation at the end of the workday
Only documenting unusual events or complications

Correct answer: Recording actions, observations, and outcomes in real-time or as close to the event as possible

Real-time or near-real-time documentation in Surgical Asepsis & Sterile Technique ensures accuracy, provides a contemporaneous record, and is considered the gold standard for professional accountability and legal defensibility.

Question 32: How does risk management apply to daily practice in Surgical Asepsis & Sterile Technique for Certified Surgical Technician professionals?

Through annual safety audits exclusively
Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
By avoiding high-risk situations entirely
Only through responding to incidents after they occur

Correct answer: Through proactive identification of potential hazards and implementation of preventive measures

Effective risk management in Surgical Asepsis & Sterile Technique requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.

Question 33: What is the primary function of surfactant produced by Type II pneumocytes?

Reduce surface tension in the alveoli (Correct answer)
Filter inhaled particles
Transport oxygen across the alveolar membrane
Produce immunoglobulins

Correct answer: Reduce surface tension in the alveoli

Surfactant reduces alveolar surface tension, preventing alveolar collapse (atelectasis) at the end of expiration.

Question 34: The surgeon requests an additional lap sponge during closure after the sponge count has been completed. The scrub ST should:

Add the sponge to the count with the circulator before passing it to the surgeon (Correct answer)
Pass the sponge immediately without adjusting the count to avoid delaying closure
Refuse to pass additional sponges after the closing count is complete
Ask the surgeon to document the addition in the operative note instead

Correct answer: Add the sponge to the count with the circulator before passing it to the surgeon

Any item added to the sterile field after a count must be counted in with the circulator before use to maintain count accuracy.

Question 35: What documentation practice is considered essential in Operating Room Setup & Management within the Certified Surgical Technician field?

Only documenting unusual events or complications
Using shorthand notes that can be expanded later if needed
Completing all documentation at the end of the workday
Recording actions, observations, and outcomes in real-time or as close to the event as possible (Correct answer)

Correct answer: Recording actions, observations, and outcomes in real-time or as close to the event as possible

Real-time or near-real-time documentation in Operating Room Setup & Management ensures accuracy, provides a contemporaneous record, and is considered the gold standard for professional accountability and legal defensibility.

Question 36: During a robotic-assisted prostatectomy, the surgical technologist's primary intraoperative responsibility is:

Operating the robot console
Monitoring patient vital signs
Adjusting the robotic arms remotely
Managing the sterile instrument table and docking instruments to the robot (Correct answer)

Correct answer: Managing the sterile instrument table and docking instruments to the robot

The scrub surgical technologist manages the sterile field, passes instruments, and assists with docking robotic instruments during robotic-assisted procedures.

Question 37: Malignant hyperthermia is most commonly triggered by which combination of agents?

Nitrous oxide and ketamine
Succinylcholine and volatile halogenated agents (Correct answer)
Propofol and opioids
Benzodiazepines and barbiturates

Correct answer: Succinylcholine and volatile halogenated agents

Malignant hyperthermia is a pharmacogenetic disorder triggered by succinylcholine and volatile inhalation agents such as sevoflurane or desflurane in susceptible individuals.

Question 38: What is the name of the tough fibrous layer covering individual muscles?

Perimysium
Epimysium (Correct answer)
Endomysium
Fascia

Correct answer: Epimysium

The epimysium is the dense connective tissue sheath that surrounds the entire muscle belly.

Question 39: A scrubbed surgical technologist should pass instruments to the surgeon in which manner?

Placed quietly on the sterile field
Laid on the Mayo stand for the surgeon to retrieve
Slapped firmly into the surgeon's palm so they can feel it (Correct answer)
Handed with the tip pointing toward the surgeon

Correct answer: Slapped firmly into the surgeon's palm so they can feel it

Instruments are passed with a firm slap into the surgeon's palm so they can feel the instrument without looking away from the operative site.

Question 40: A surgeon places a horizontal mattress suture. What is the PRIMARY advantage of this technique?

It eliminates the need for subcutaneous closure
It is used exclusively for mucosal closures
It everts wound edges and provides greater tensile strength (Correct answer)
It is faster than a simple interrupted suture

Correct answer: It everts wound edges and provides greater tensile strength

Horizontal mattress sutures evert wound edges and distribute tension over a wider area, providing superior strength in high-tension wounds.

Question 41: A serious complication specifically associated with prolonged lithotomy positioning is:

Facial pressure ulcers
Brachial plexus stretch injury
Compartment syndrome of the lower extremities (Correct answer)
Radial nerve palsy

Correct answer: Compartment syndrome of the lower extremities

Prolonged lithotomy position elevates the legs above heart level, reducing arterial perfusion pressure and increasing venous pressure, which can cause compartment syndrome.

Question 42: Which neuromuscular blocking agent has the fastest onset and shortest duration, making it ideal for rapid sequence intubation?

Vecuronium
Pancuronium
Succinylcholine (Correct answer)
Rocuronium

Correct answer: Succinylcholine

Succinylcholine has the fastest onset (approximately 60 seconds) and shortest duration (5-10 minutes), making it the classic choice for RSI.

Question 43: Which AORN standard requires that the surgical site be verified using a 'time-out' before incision?

Universal Protocol / Joint Commission National Patient Safety Goals (Correct answer)
OSHA Bloodborne Pathogen Standard
CDC Surgical Site Infection Prevention Guidelines
FDA Device Tracking Regulation

Correct answer: Universal Protocol / Joint Commission National Patient Safety Goals

The Universal Protocol, a Joint Commission National Patient Safety Goal, mandates a pre-incision time-out to verify patient identity, procedure, and site.

Question 44: What is the maximum safe dose of lidocaine WITHOUT epinephrine for local infiltration?

3 mg/kg
5 mg/kg (Correct answer)
1 mg/kg
7 mg/kg

Correct answer: 5 mg/kg

The maximum recommended dose of plain lidocaine for infiltration is 4-5 mg/kg to avoid systemic toxicity.

Question 45: When a conflict arises between standard procedures and a unique situation in Surgical Pharmacology, what should a CST professional prioritize?

Strict adherence to written procedures without exception
The preference of the client or stakeholder
Safety and ethical obligations while seeking expert consultation (Correct answer)
The most cost-effective solution available

Correct answer: Safety and ethical obligations while seeking expert consultation

Safety and ethics always take priority in Surgical Pharmacology. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.

Question 46: Which of the following best describes 'first-intention' (primary) wound healing?

Wound left open to granulate from the base upward
Wound treated with negative pressure wound therapy before closure
Wound that heals after a secondary infection is resolved
Wound edges approximated with sutures or staples, healing with minimal scarring (Correct answer)

Correct answer: Wound edges approximated with sutures or staples, healing with minimal scarring

Primary intention healing occurs when wound edges are surgically approximated, minimizing the gap and resulting in faster healing with less scar formation.

Question 47: Which standard of practice is MOST important for ensuring quality in Anatomy & Physiology for Surgery?

Strictly adhering to the same procedure in every situation
Minimizing documentation to focus on practical work
Following evidence-based protocols while adapting to specific circumstances (Correct answer)
Using the most advanced technology available regardless of need

Correct answer: Following evidence-based protocols while adapting to specific circumstances

Question 48: After surgery, contaminated instruments should be transported to the decontamination area in containers that are:

Clear plastic bags tied at the top
Open wire mesh trays for air circulation
Disposable cardboard boxes lined with newspaper
Closeable, leak-proof, and labeled with a biohazard symbol (Correct answer)

Correct answer: Closeable, leak-proof, and labeled with a biohazard symbol

Contaminated instruments must be transported in closeable, leak-proof, biohazard-labeled containers to comply with OSHA bloodborne pathogen standards.

Question 49: Which hemostatic agent is derived from oxidized cellulose and works by providing a mechanical matrix for clot formation?

Surgicel (oxidized regenerated cellulose) (Correct answer)
Avitene (microfibrillar collagen)
Thrombin (topical)
Gelfoam (gelatin sponge)

Correct answer: Surgicel (oxidized regenerated cellulose)

Surgicel is oxidized regenerated cellulose that provides a physical scaffold for platelet aggregation and clot formation.

Question 50: What is the purpose of a Mayo stand in the OR?

To hold instruments immediately needed during surgery (Correct answer)
To support the surgeon's arms during long procedures
To hold sterile supplies in reserve
To elevate the operative field

Correct answer: To hold instruments immediately needed during surgery

The Mayo stand holds instruments that will be immediately needed during the current phase of surgery, keeping them within easy reach.

Question 51: What is the purpose of preoperative shaving?

To prevent interference with dressings
To identify the incision site
To improve the aesthetic of the incision
To reduce microbial presence near the site (Correct answer)

Correct answer: To reduce microbial presence near the site

The primary purpose of preoperative hair removal (often clipping rather than shaving) is to reduce the number of microorganisms on the patient's skin. This minimizes the risk of bacteria entering the surgical incision, thereby preventing surgical site infections and promoting better patient outcomes.

Question 52: During a laparoscopic procedure, what device is used to maintain pneumoperitoneum?

Hasson cannula alone
Trocar obturator
Suction-irrigation system
Insufflator (Correct answer)

Correct answer: Insufflator

An insufflator delivers and regulates CO₂ gas into the peritoneal cavity to create and maintain pneumoperitoneum during laparoscopic procedures.

Question 53: Why should you never recap used needles?

To avoid accidental needle sticks (Correct answer)
To improve disposal speed
To reduce noise
To keep them sterile

Correct answer: To avoid accidental needle sticks

Recapping used needles is a dangerous practice that significantly increases the risk of accidental needle sticks, which can lead to exposure to bloodborne pathogens. Healthcare protocols mandate immediate disposal of used sharps into puncture-resistant containers without recapping. This prevents injuries and protects healthcare personnel from potential infections.

Question 54: What is the primary mechanism of action of heparin in surgical patients?

Activates antithrombin III to inhibit thrombin (Correct answer)
Inhibits platelet aggregation
Directly dissolves existing clots
Inhibits vitamin K-dependent clotting factors

Correct answer: Activates antithrombin III to inhibit thrombin

Heparin works by activating antithrombin III, which then inhibits thrombin and other clotting factors.

Question 55: After a case, the scrub ST notices a surgical instrument is cracked. The correct action is to:

Wrap it separately and return it to the sterile processing department without notification
Sterilize it as usual and flag it for inspection at next use
Remove it from service, tag it as damaged, and follow facility protocol for repair or replacement (Correct answer)
Use it for one more case if the crack is minor and then discard

Correct answer: Remove it from service, tag it as damaged, and follow facility protocol for repair or replacement

Damaged instruments must be removed from service immediately, tagged, and reported per facility policy to prevent patient injury and ensure instrument integrity.

Question 56: Which technology trend is most likely to impact professional ethics & legal compliance in the CST field in coming years?

Digital tools for enhanced data collection, analysis, and reporting (Correct answer)
Return to exclusively paper-based systems
Complete elimination of human professionals
Reduction in the need for professional certification

Correct answer: Digital tools for enhanced data collection, analysis, and reporting

Digital tools for enhanced data collection, analysis, and reporting represent the most significant and practical technology trend impacting professional ethics & legal compliance, augmenting rather than replacing professional expertise.

Question 57: When implementing professional ethics & legal compliance practices, what should a CST professional prioritize first?

Compliance with established standards and protocols (Correct answer)
Personal convenience and efficiency
Cost reduction at all levels
Speed of completion over thoroughness

Correct answer: Compliance with established standards and protocols

Compliance with established standards and protocols must be the first priority, as it ensures safety, quality, and legal adherence in professional practice.

Question 58: In Surgical Pharmacology, what is the FIRST step a CST professional should take when encountering a new case or situation?

Document the situation and wait for further instructions
Conduct a comprehensive assessment and gather all relevant information (Correct answer)
Implement an immediate solution based on past experience
Consult with a supervisor before taking any action

Correct answer: Conduct a comprehensive assessment and gather all relevant information

In Surgical Pharmacology, a thorough initial assessment ensures all relevant factors are identified before deciding on an appropriate course of action. This systematic approach is fundamental to Certified Surgical Technician practice.

Question 59: Which item from the sterile back table must be accounted for in the final instrument count before wound closure?

Suture needles, blades, and bovie tips only
Instruments and sponges but not suture needles
Only items that entered the body cavity
All instruments, sharps, and soft goods including sponges (Correct answer)

Correct answer: All instruments, sharps, and soft goods including sponges

The final count includes all instruments, sharps (needles, blades), and soft goods to prevent retained surgical items before closure.

Question 60: When removing surgical drapes postoperatively, the ST should roll them:

Onto the instrument table for reuse on the next case
Inward (contaminated side in) to contain debris and fluids (Correct answer)
Off the patient and directly into a trash can across the room
Outward quickly to speed up room turnover

Correct answer: Inward (contaminated side in) to contain debris and fluids

Drapes are rolled inward to contain blood, fluids, and debris and prevent spreading contamination to the OR environment.

Question 61: Which action best prevents surgical site infection?

Wearing double scrubs
Rushing procedures
Using sterile technique and hand hygiene (Correct answer)
Storing equipment openly

Correct answer: Using sterile technique and hand hygiene

Surgical site infections (SSIs) are a major concern in healthcare, and their prevention relies heavily on strict adherence to sterile technique and meticulous hand hygiene. Sterile technique minimizes the introduction of microorganisms into the surgical field, while hand hygiene reduces the pathogen load on healthcare workers' hands. These combined practices are fundamental to patient safety during surgery.

Question 62: Which of the following is the MOST important reason to perform a pre-incision Time Out?

To verify the OR suite is at the correct temperature
To allow the anesthesia provider to check vital signs
To confirm correct patient, site, side, procedure, and position before incision (Correct answer)
To ensure instrument counts are complete

Correct answer: To confirm correct patient, site, side, procedure, and position before incision

The Time Out (per Joint Commission Universal Protocol) pauses all activity to verify the five rights: patient, procedure, site, side, and position.

Question 63: What is the significance of peer review in quality assurance & performance improvement for CST professionals?

It is only relevant for newly certified professionals
It promotes accountability, knowledge sharing, and quality improvement (Correct answer)
It is primarily used for disciplinary purposes
It replaces the need for self-assessment

Correct answer: It promotes accountability, knowledge sharing, and quality improvement

Peer review promotes accountability, knowledge sharing, and quality improvement by allowing CST professionals to benefit from collective expertise and identify areas for growth.

Question 64: A surgical team member who is unscrubbed (circulator) should maintain what minimum distance from the sterile field?

12 inches (Correct answer)
18 inches
6 inches
There is no minimum; they may work at the edge

Correct answer: 12 inches

Unscrubbed personnel should remain at least 12 inches from the sterile field to prevent contamination by inadvertent contact.

Question 65: Which of the following practices violates surgical asepsis during draping?

Unfolding drapes toward the scrub technologist after placement (Correct answer)
Draping from the operative site outward toward the periphery
Cuffing the drape over gloved hands to protect sterility
Holding drapes high during placement to prevent touching unsterile surfaces

Correct answer: Unfolding drapes toward the scrub technologist after placement

Drapes should never be unfolded back toward the sterile field after placement, as this would drag contamination from unsterile areas onto the field.

Question 66: During a laparoscopic procedure, the Veress needle is used to:

Irrigate the abdominal cavity
Pass sutures through the abdominal wall
Introduce CO2 to create pneumoperitoneum (Correct answer)
Cut tissue under direct vision

Correct answer: Introduce CO2 to create pneumoperitoneum

The Veress needle is a spring-loaded needle inserted blindly through the abdominal wall to insufflate CO2 and establish pneumoperitoneum before trocar placement.

Question 67: What documentation practice is considered essential in Anatomy & Physiology for Surgery within the Certified Surgical Technician field?

Only documenting unusual events or complications
Completing all documentation at the end of the workday
Using shorthand notes that can be expanded later if needed
Recording actions, observations, and outcomes in real-time or as close to the event as possible (Correct answer)

Correct answer: Recording actions, observations, and outcomes in real-time or as close to the event as possible

Real-time or near-real-time documentation in Anatomy & Physiology for Surgery ensures accuracy, provides a contemporaneous record, and is considered the gold standard for professional accountability and legal defensibility.

Question 68: Which postoperative documentation is the scrub ST typically responsible for completing?

Writing the operative report in the patient chart
Completing the anesthesia record for controlled substances
Documenting patient vital signs in the PACU flowsheet
Recording instrument, sponge, and sharps count results on the count record (Correct answer)

Correct answer: Recording instrument, sponge, and sharps count results on the count record

The scrub ST documents the count results on the standardized count record, which becomes part of the official operative record.

Question 69: How does risk management apply to daily practice in Anatomy & Physiology for Surgery for Certified Surgical Technician professionals?

Through annual safety audits exclusively
By avoiding high-risk situations entirely
Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
Only through responding to incidents after they occur

Correct answer: Through proactive identification of potential hazards and implementation of preventive measures

Effective risk management in Anatomy & Physiology for Surgery requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.

Question 70: Which type of indicator confirms that sterilization conditions were met inside a sterilization load?

Color-change strip on the outside of the package
Expiration date label applied by the processor
Biological indicator (BI) (Correct answer)
External chemical indicator tape

Correct answer: Biological indicator (BI)

Biological indicators use live spores to confirm that sterilization conditions were sufficient to kill the most resistant organisms.

Question 71: What documentation practice is considered essential in Specialty Surgical Procedures within the Certified Surgical Technician field?

Using shorthand notes that can be expanded later if needed
Recording actions, observations, and outcomes in real-time or as close to the event as possible (Correct answer)
Only documenting unusual events or complications
Completing all documentation at the end of the workday

Correct answer: Recording actions, observations, and outcomes in real-time or as close to the event as possible

Real-time or near-real-time documentation in Specialty Surgical Procedures ensures accuracy, provides a contemporaneous record, and is considered the gold standard for professional accountability and legal defensibility.

Question 72: The ST notices the field count is off by one sponge just before closure. The correct action is to:

Inform the surgeon immediately and conduct a thorough search (Correct answer)
Add a sponge to balance the count
Recount silently without telling anyone
Proceed with closure and document the discrepancy

Correct answer: Inform the surgeon immediately and conduct a thorough search

Any count discrepancy must be immediately reported to the surgeon so a search can be conducted before closing to prevent retained foreign bodies.

Question 73: The MOST important factor that delays wound healing in a diabetic patient is:

Elevated blood pressure
Use of insulin therapy
Increased body weight
Impaired microvascular circulation and neuropathy (Correct answer)

Correct answer: Impaired microvascular circulation and neuropathy

Diabetes impairs microvascular function and neuropathy reduces sensation, both of which compromise oxygen and nutrient delivery to healing tissue.

Question 74: During preoperative patient identification, the surgical technologist should verify the patient's identity using which minimum standard per the Joint Commission?

Surgeon's name and procedure type
At least two patient identifiers (e.g., name and date of birth) (Correct answer)
Patient's name only
Room number and bed assignment

Correct answer: At least two patient identifiers (e.g., name and date of birth)

The Joint Commission requires at least two independent patient identifiers (commonly full name and date of birth) to prevent wrong-patient errors.

Question 75: After the patient is transferred to the gurney postoperatively, who is responsible for monitoring the patient's airway until handoff to the PACU nurse?

The circulating nurse
The surgeon
The anesthesia provider (Correct answer)
The scrub surgical technologist

Correct answer: The anesthesia provider

The anesthesia provider maintains responsibility for the patient's airway and hemodynamic stability during transport to the PACU.

Question 76: Which patient position is most commonly used for procedures on the perineum, rectum, and gynecologic organs?

Lithotomy (Correct answer)
Trendelenburg
Fowler's
Lateral decubitus

Correct answer: Lithotomy

The lithotomy position, with legs elevated and abducted in stirrups, provides optimal access to the perineum, rectum, and pelvic organs.

Question 77: Which local anesthetic has the longest duration of action and is commonly used for spinal and epidural blocks?

Procaine
Bupivacaine (Correct answer)
Chloroprocaine
Lidocaine

Correct answer: Bupivacaine

Bupivacaine is an amide local anesthetic with a long duration of action (3–10 hours), making it preferred for prolonged regional and neuraxial blocks.

Question 78: What is the primary function of fibrin during the hemostasis phase of wound healing?

Attracting neutrophils to the wound site
Stimulating collagen synthesis by fibroblasts
Promoting angiogenesis in the wound bed
Forming a mesh that traps platelets and red blood cells to create a clot (Correct answer)

Correct answer: Forming a mesh that traps platelets and red blood cells to create a clot

Fibrin polymerizes into a mesh network that stabilizes the platelet plug and forms the structural framework of the blood clot.

Question 79: In pediatric cardiac surgery for a ventricular septal defect (VSD) repair, what material is typically used to close the defect?

Both A and C are correct (Correct answer)
Autologous pericardial patch
PTFE (Gore-Tex) patch
Woven Dacron patch

Correct answer: Both A and C are correct

VSD closure may use autologous pericardium or synthetic PTFE patch, both of which become incorporated into surrounding tissue over time.

Question 80: The recommended temperature range for storing sterile supplies is:

Between 75°F–85°F (24°C–29°C)
Above 85°F (29°C) to prevent condensation
Below 50°F (10°C)
Between 64°F–75°F (18°C–24°C) (Correct answer)

Correct answer: Between 64°F–75°F (18°C–24°C)

AAMI guidelines recommend storing sterile supplies at 64°F–75°F with relative humidity of 35%–70% to maintain packaging integrity.

Question 81: When setting up a back table, the surgical technologist should arrange instruments in what order?

Largest to smallest by size
Sterilization date order
Alphabetical order by instrument name
Order of anticipated use during the procedure (Correct answer)

Correct answer: Order of anticipated use during the procedure

Instruments on the back table are organized by order of anticipated use so they can be passed efficiently during the procedure.

Question 82: What is the correct sequence for surgical hand antisepsis using a brush-stroke method?

Nails, fingertips, hands, wrists, forearms (Correct answer)
Hands, forearms, wrists, fingertips, nails
Nails, hands, wrists, forearms, fingertips
Forearms, wrists, hands, fingertips, nails

Correct answer: Nails, fingertips, hands, wrists, forearms

Surgical scrubbing proceeds from most contaminated (nails/fingertips) to least contaminated (forearms) to prevent recontamination of cleaner areas.

Question 83: During an arthroscopic knee surgery, what is the role of the irrigation fluid (usually normal saline or lactated Ringer's)?

Distend the joint cavity and maintain visualization (Correct answer)
Provide antibiotic delivery
Cool the power shaver motor
Lubricate the arthroscope lens only

Correct answer: Distend the joint cavity and maintain visualization

Continuous irrigation fluid distends the joint space, removes blood and debris, and maintains a clear arthroscopic view throughout the procedure.

Question 84: Which biological indicator organism is used to verify the efficacy of ethylene oxide (EO) sterilization?

Bacillus atrophaeus (Correct answer)
Geobacillus stearothermophilus
Clostridium sporogenes
Bacillus subtilis var. niger

Correct answer: Bacillus atrophaeus

Bacillus atrophaeus (formerly B. subtilis var. niger) spores are the standard biological indicator for ethylene oxide sterilization cycles.

Question 85: Which technology trend is most likely to impact evidence-based practice & research methods in the CST field in coming years?

Digital tools for enhanced data collection, analysis, and reporting (Correct answer)
Complete elimination of human professionals
Return to exclusively paper-based systems
Reduction in the need for professional certification

Correct answer: Digital tools for enhanced data collection, analysis, and reporting

Digital tools for enhanced data collection, analysis, and reporting represent the most significant and practical technology trend impacting evidence-based practice & research methods, augmenting rather than replacing professional expertise.

Question 86: How does risk management apply to daily practice in Surgical Instrumentation & Equipment for Certified Surgical Technician professionals?

Through annual safety audits exclusively
By avoiding high-risk situations entirely
Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
Only through responding to incidents after they occur

Correct answer: Through proactive identification of potential hazards and implementation of preventive measures

Effective risk management in Surgical Instrumentation & Equipment requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.

Question 87: Which documentation practice is most important for professional ethics & legal compliance in the CST field?

Documenting only when legally required
Maintaining complete, accurate, and timely records (Correct answer)
Using informal notes instead of official records
Recording only successful outcomes

Correct answer: Maintaining complete, accurate, and timely records

Maintaining complete, accurate, and timely records is crucial for accountability, quality assurance, and legal compliance in professional ethics & legal compliance.

Question 88: Which vasoactive drug is a first-line vasopressor for septic shock and acts on alpha and beta adrenergic receptors?

Phenylephrine
Norepinephrine (Correct answer)
Dobutamine
Vasopressin

Correct answer: Norepinephrine

Norepinephrine is the first-line vasopressor for septic shock, acting primarily on alpha-1 receptors to increase systemic vascular resistance.

Question 89: A patient in the lateral decubitus position requires an axillary roll. The purpose of this roll is to:

Pad the superior iliac crest
Stabilize the pelvis during positioning
Relieve pressure on the brachial plexus of the lower arm (Correct answer)
Prevent pressure on the dependent lung

Correct answer: Relieve pressure on the brachial plexus of the lower arm

An axillary roll placed just below the dependent axilla relieves pressure on the brachial plexus and axillary vessels to prevent nerve injury.

Question 90: Why is hand hygiene important in infection control?

To avoid glove use
To dry hands
It reduces the spread of pathogens (Correct answer)
To look professional

Correct answer: It reduces the spread of pathogens

Hand hygiene, including handwashing and the use of alcohol-based hand rubs, is the single most effective measure to prevent the spread of infections. Healthcare professionals' hands can easily transfer pathogens from one patient or surface to another. Proper hand hygiene significantly reduces the microbial load, thereby minimizing the risk of healthcare-associated infections.

Question 91: Which electrosurgery mode cuts tissue by producing a continuous waveform?

Bipolar mode
Blend mode
Coagulation mode
Cut mode (Correct answer)

Correct answer: Cut mode

Cut mode uses a continuous, unmodulated high-frequency current that rapidly heats cells to vaporize tissue cleanly.

Question 92: What is the PRIMARY purpose of continuing education requirements in Operating Room Setup & Management for CST professionals?

Fulfilling mandatory regulatory requirements only
Earning additional credentials for career advancement
Maintaining current knowledge and competency as the field evolves (Correct answer)
Networking with other professionals in the field

Correct answer: Maintaining current knowledge and competency as the field evolves

Continuing education in Operating Room Setup & Management ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.

Question 93: What action should be taken if an instrument count is incorrect at wound closure?

Notify the family and proceed with closure
Close the wound and document the discrepancy
Perform a recount once and proceed if the recount matches
Perform an immediate search of the wound, drapes, and room before closing (Correct answer)

Correct answer: Perform an immediate search of the wound, drapes, and room before closing

An incorrect count requires an immediate search of the operative wound, sponge buckets, drapes, floor, and room before the wound is closed, and a radiograph may be ordered.

Question 94: Sodium bicarbonate is sometimes added to local anesthetic solutions before injection in order to:

Increase the toxicity threshold
Extend the duration of action
Prevent the anesthetic from binding plasma proteins
Raise the pH and speed onset of the block (Correct answer)

Correct answer: Raise the pH and speed onset of the block

Alkalinizing the solution with sodium bicarbonate shifts more drug to the uncharged base form, which crosses nerve membranes faster and accelerates onset.

Question 95: A needle is discovered missing during the closing needle count. What is the FIRST action the scrub ST should take?

Recount only the sponges to rule out a mix-up
Complete the closure and search after the patient is transferred
Notify the charge nurse but continue the case quietly
Inform the surgeon and circulator immediately and search the sterile field (Correct answer)

Correct answer: Inform the surgeon and circulator immediately and search the sterile field

An unresolved needle count discrepancy must be reported immediately so the surgical team can search the field and wound before closure is completed.

Question 96: When a conflict arises between standard procedures and a unique situation in Wound Closure & Healing, what should a CST professional prioritize?

Safety and ethical obligations while seeking expert consultation (Correct answer)
The most cost-effective solution available
Strict adherence to written procedures without exception
The preference of the client or stakeholder

Correct answer: Safety and ethical obligations while seeking expert consultation

Safety and ethics always take priority in Wound Closure & Healing. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.

Question 97: Which procedure involves excising and grafting a segment of autologous bone to repair a non-union fracture?

Sequestrectomy
Curettage only
Bone grafting (autograft harvest and implantation) (Correct answer)
Intramedullary nailing alone

Correct answer: Bone grafting (autograft harvest and implantation)

Autologous bone grafting harvests bone (commonly from the iliac crest) and implants it at the non-union site to provide osteogenic, osteoinductive, and osteoconductive support.

Question 98: During wound closure, the scrub technologist should count instruments, sharps, and sponges:

After the patient leaves the OR
Only at skin closure
Only at the start of the procedure
Before closure of any cavity and at skin closure (Correct answer)

Correct answer: Before closure of any cavity and at skin closure

Counts must be performed before closure of any body cavity and again at skin closure to ensure no items are retained.

Question 99: The Spaulding classification system categorizes medical devices based on:

The manufacturer's recommended reprocessing method
The body cavity or tissue they contact
The risk of infection associated with their intended use (Correct answer)
Their material composition and cost

Correct answer: The risk of infection associated with their intended use

The Spaulding classification (critical, semi-critical, non-critical) categorizes devices by infection risk related to their intended use site.

Question 100: The surgeon requests a Foley catheter be placed preoperatively. Which gauge catheter is standard for most adult patients?

28–30 Fr
14–16 Fr (Correct answer)
20–22 Fr
8 Fr

Correct answer: 14–16 Fr

14–16 French catheters are the standard size for adult urinary drainage; larger sizes are used for specific clinical indications such as hematuria.

Question 101: Neostigmine is administered at the end of surgery to:

Deepen anesthesia before wound closure
Reduce postoperative nausea
Reverse non-depolarizing neuromuscular blockade (Correct answer)
Reverse opioid-induced respiratory depression

Correct answer: Reverse non-depolarizing neuromuscular blockade

Neostigmine inhibits acetylcholinesterase, increasing acetylcholine at the neuromuscular junction to overcome non-depolarizing blockade.

Question 102: Which surgical position is most commonly used for perineal, rectal, urologic, and gynecological procedures?

Prone
Lateral decubitus
Fowler's (sitting)
Lithotomy (Correct answer)

Correct answer: Lithotomy

The lithotomy position places the patient supine with legs elevated and supported in stirrups, providing excellent access to the perineum and lower pelvis.

Question 103: During use of the harmonic scalpel (ultrasonic energy device), the ST should be aware that it generates heat up to approximately:

37°C
350°C
80°C (Correct answer)
200°C

Correct answer: 80°C

The harmonic scalpel blade reaches approximately 80°C during activation; the active blade must not contact tissue unintentionally to prevent burns.

Question 104: During laparoscopic surgery, CO2 is used as the insufflation gas primarily because it:

Has the lowest cost among surgical gases
Is rapidly absorbed and does not support combustion (Correct answer)
Provides better visualization than other gases
Is inert and non-absorbable

Correct answer: Is rapidly absorbed and does not support combustion

CO2 is quickly absorbed by the body, is non-flammable making electrosurgery safe, and is exhaled through normal respiration.

Question 105: When a conflict arises between standard procedures and a unique situation in Anatomy & Physiology for Surgery, what should a CST professional prioritize?

The preference of the client or stakeholder
Strict adherence to written procedures without exception
The most cost-effective solution available
Safety and ethical obligations while seeking expert consultation (Correct answer)

Correct answer: Safety and ethical obligations while seeking expert consultation

Safety and ethics always take priority in Anatomy & Physiology for Surgery. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.

Question 106: In Specialty Surgical Procedures, what is the FIRST step a CST professional should take when encountering a new case or situation?

Document the situation and wait for further instructions
Consult with a supervisor before taking any action
Implement an immediate solution based on past experience
Conduct a comprehensive assessment and gather all relevant information (Correct answer)

Correct answer: Conduct a comprehensive assessment and gather all relevant information

In Specialty Surgical Procedures, a thorough initial assessment ensures all relevant factors are identified before deciding on an appropriate course of action. This systematic approach is fundamental to Certified Surgical Technician practice.

Question 107: What is the PRIMARY purpose of continuing education requirements in Surgical Instrumentation & Equipment for CST professionals?

Networking with other professionals in the field
Earning additional credentials for career advancement
Fulfilling mandatory regulatory requirements only
Maintaining current knowledge and competency as the field evolves (Correct answer)

Correct answer: Maintaining current knowledge and competency as the field evolves

Continuing education in Surgical Instrumentation & Equipment ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.

Question 108: In Certified Surgical Technician, what role does evidence-based practice & research methods play in ensuring client/stakeholder satisfaction?

It only matters during initial certification
It replaces the need for direct communication
It builds trust through demonstrated competence and consistency (Correct answer)
It has no direct impact on stakeholder satisfaction

Correct answer: It builds trust through demonstrated competence and consistency

Evidence-Based Practice & Research Methods builds trust through demonstrated competence and consistency, which directly contributes to stakeholder satisfaction and confidence in the CST professional.

Question 109: What is the primary purpose of a sterile drape fenestration (opening)?

To anchor the drape to the patient
To allow ventilation of the surgical site
To expose only the operative site while keeping surrounding areas covered (Correct answer)
To allow the anesthesia provider to monitor the patient

Correct answer: To expose only the operative site while keeping surrounding areas covered

The fenestration exposes only the intended operative site, providing a controlled sterile field while keeping all surrounding tissue covered.

Question 110: Which suture needle type is used for suturing bowel or other delicate hollow viscera?

Blunt needle
Reverse cutting needle
Taper (round) needle (Correct answer)
Cutting needle

Correct answer: Taper (round) needle

Taper (round) needles penetrate tissue by separating fibers without cutting, reducing the risk of tearing fragile hollow organs.

Question 111: Which preoperative assessment finding would most concern the surgical team regarding anesthesia induction?

Hemoglobin A1c of 11.2% (Correct answer)
BMI of 22
Last oral intake 8 hours ago
Blood pressure of 118/76 mmHg

Correct answer: Hemoglobin A1c of 11.2%

Poorly controlled diabetes (HbA1c >9%) increases infection risk and impairs wound healing; it may also affect anesthesia management and surgical timing.

Question 112: The femoral triangle is bounded by the inguinal ligament superiorly, sartorius laterally, and which muscle medially?

Pectineus
Rectus femoris
Gracilis
Adductor longus (Correct answer)

Correct answer: Adductor longus

The medial border of the femoral triangle is formed by the medial margin of the adductor longus muscle.

Question 113: Epinephrine is often added to local anesthetics for which primary purpose?

To alkalinize the solution for better diffusion
To increase the speed of onset
To extend the duration by increasing blood flow
To reduce systemic toxicity by causing vasoconstriction (Correct answer)

Correct answer: To reduce systemic toxicity by causing vasoconstriction

Epinephrine causes vasoconstriction at the injection site, slowing absorption and reducing systemic toxicity while prolonging the block.

Question 114: Which type of draping material provides the best barrier against strike-through contamination?

Nonwoven disposable drapes with fluid-resistant layers (Correct answer)
Single-layer woven cotton drapes
Reusable polyester blend drapes
Multi-layer woven linen drapes

Correct answer: Nonwoven disposable drapes with fluid-resistant layers

Nonwoven disposable drapes with fluid-resistant or impermeable layers resist strike-through, preventing microorganisms from wicking from wet surfaces into the sterile field.

Question 115: Which of the following best describes electrocautery use?

Used for irrigation
Used to suction fluids
Used for wound dressing
Used to cut and cauterize tissue (Correct answer)

Correct answer: Used to cut and cauterize tissue

Electrocautery utilizes high-frequency electrical current to generate heat, which is applied to tissue for precise cutting and coagulation. This dual function allows surgeons to make incisions while simultaneously sealing blood vessels, effectively minimizing bleeding during the operation.

Question 116: What is the function of a smoke evacuator in the OR?

To capture and filter surgical plume from electrosurgery or laser use (Correct answer)
To remove excess oxygen from the field
To ventilate the sterile field between instrument passes
To cool the electrosurgical unit

Correct answer: To capture and filter surgical plume from electrosurgery or laser use

Smoke evacuators capture and filter surgical plume — the smoke generated by electrosurgery or laser — which contains harmful particles and viable cellular material.

Question 117: What is the function of a surgical count?

To train new staff
To review surgeon techniques
To reduce operating time
To ensure no instruments or sponges are left inside the patient (Correct answer)

Correct answer: To ensure no instruments or sponges are left inside the patient

A surgical count is a meticulous process performed before, during, and after a procedure to account for all sponges, sharps, and instruments. This critical safety measure prevents retained surgical items within the patient, which can lead to severe complications, reoperation, and legal issues.

Question 118: Which OR zone is designated as the 'restricted' area and requires surgical attire and masks?

Semi-restricted zone in the corridors
Unrestricted zone near the entrance
Restricted zone including the OR suite itself (Correct answer)
Transition zone at the locker rooms

Correct answer: Restricted zone including the OR suite itself

The restricted zone — the OR suite and sterile core — requires full surgical attire including a mask because sterile procedures are performed there.

Question 119: During a procedure, an unsterile person needs to walk past a sterile field. They should:

Walk between two sterile fields if space requires
Face away from the sterile field while passing at a safe distance (Correct answer)
Face the sterile field while passing
Pass as close as possible to reduce time near the field

Correct answer: Face away from the sterile field while passing at a safe distance

Unsterile persons must face away from the sterile field and maintain a safe distance to prevent accidental contamination.

Question 120: The term 'bioburden' refers to:

The amount of organic soil remaining after decontamination
The weight of a surgical instrument set
The number of viable microorganisms on a device before sterilization (Correct answer)
The concentration of disinfectant used on a surface

Correct answer: The number of viable microorganisms on a device before sterilization

Bioburden is the total number of viable microorganisms contaminating an item prior to sterilization.

Question 121: A Bookwalter retractor system differs from a Balfour retractor in that the Bookwalter:

Attaches to the OR table rail and offers multiple interchangeable blade configurations (Correct answer)
Requires an assistant to maintain position throughout the procedure
Is disposable and single-use only
Is only used in thoracic surgery

Correct answer: Attaches to the OR table rail and offers multiple interchangeable blade configurations

The Bookwalter system mounts to the OR table rail and accommodates a variety of interchangeable blades for complex, long retraction needs.

Question 122: What is the role of biological indicators in sterilization?

Label instruments
Track expiration dates
Maintain humidity
To confirm all microbes are destroyed (Correct answer)

Correct answer: To confirm all microbes are destroyed

Biological indicators (BIs) contain highly resistant bacterial spores and are used to provide the highest level of assurance that sterilization conditions were met and all microorganisms, including spores, have been destroyed. Unlike chemical indicators, BIs directly test the lethality of the sterilization process. A negative BI result confirms the effectiveness of the sterilizer.

Question 123: Monitored Anesthesia Care (MAC) is most appropriately selected when:

The patient needs sedation and analgesia while remaining responsive (Correct answer)
The procedure is major abdominal surgery
The patient requires complete muscle relaxation
General endotracheal anesthesia has failed

Correct answer: The patient needs sedation and analgesia while remaining responsive

MAC provides sedation, analgesia, and anxiolysis for procedures where the patient should be able to follow commands and maintain their own airway.

Question 124: A patient arrives to the holding area wearing a hearing aid. What should the surgical technologist do?

Leave it in place until general anesthesia is induced so the patient can communicate (Correct answer)
Discard it with the patient's clothing
Document its presence but take no action
Remove it immediately and place in the patient's chart

Correct answer: Leave it in place until general anesthesia is induced so the patient can communicate

Leaving the hearing aid in place during the preoperative period allows the patient to hear instructions and reduces anxiety; it is removed at the appropriate time before anesthesia.

Question 125: A surgical technologist is setting up for a right hemicolectomy. Which portion of the colon will be resected?

Cecum, ascending colon, and hepatic flexure (Correct answer)
Sigmoid colon and upper rectum
Transverse colon only
Descending colon and splenic flexure

Correct answer: Cecum, ascending colon, and hepatic flexure

A right hemicolectomy removes the cecum, ascending colon, hepatic flexure, and proximal transverse colon, with ileotransverse anastomosis.

Question 126: In neurosurgery, what is the purpose of a Mayfield skull clamp?

To control intracranial bleeding
To retract brain tissue
To measure intracranial pressure
To rigidly fix the head in position (Correct answer)

Correct answer: To rigidly fix the head in position

The Mayfield three-pin skull clamp rigidly immobilizes the head to prevent any movement during intracranial procedures.

Question 127: Which structure of the knee joint is most commonly injured in a 'terrible triad' sports injury?

Posterior cruciate ligament, medial meniscus, and fibular collateral ligament
Posterior cruciate ligament, lateral meniscus, and medial collateral ligament
Anterior cruciate ligament, medial meniscus, and medial collateral ligament (Correct answer)
Anterior cruciate ligament, lateral meniscus, and lateral collateral ligament

Correct answer: Anterior cruciate ligament, medial meniscus, and medial collateral ligament

The 'terrible triad' (O'Donoghue triad) involves injury to the ACL, medial collateral ligament, and medial meniscus.

Question 128: The Trendelenburg position is defined as the patient positioned:

Lateral with the operative side facing up
Supine with the head tilted lower than the feet (Correct answer)
Supine with the feet lower than the head
Prone with the head higher than the feet

Correct answer: Supine with the head tilted lower than the feet

In Trendelenburg, the patient lies supine on a table tilted so the head is lower than the feet, improving venous return and used for pelvic or lower abdominal surgery.

Question 129: What is the proper sequence for passing a sharp instrument such as a loaded scalpel?

Use the neutral zone (no-touch technique) to place and retrieve the instrument (Correct answer)
Hand it directly handle-first with the blade exposed
Hand it blade-first so the surgeon can grip the handle
Toss it gently to the surgeon

Correct answer: Use the neutral zone (no-touch technique) to place and retrieve the instrument

The neutral zone (hands-free technique) requires placing sharps in a designated area rather than hand-to-hand transfer to prevent needlestick injuries.

Question 130: Which document must be completed and signed before an elective surgical procedure can begin?

Informed consent form (Correct answer)
Advance directive
Insurance pre-authorization
HIPAA acknowledgment

Correct answer: Informed consent form

Informed consent must be signed by the patient (or guardian) before elective surgery, confirming the patient understands the procedure, risks, and alternatives.

Question 131: What is the function of cardioplegic solution administered during cardiac surgery?

Dilate the coronary arteries
Prevent atrial fibrillation postoperatively
Arrest the heart and protect the myocardium during ischemia (Correct answer)
Maintain normal cardiac rhythm

Correct answer: Arrest the heart and protect the myocardium during ischemia

Cardioplegic solution (high-potassium, cold crystalloid or blood) depolarizes the myocardium to arrest the heart and reduce metabolic demand during ischemic time.

Question 132: Which suture is most appropriate for anastomosing bowel segments during intestinal resection?

Stainless steel wire
Nylon monofilament
Polyglycolic acid (absorbable) (Correct answer)
Silk (non-absorbable)

Correct answer: Polyglycolic acid (absorbable)

Absorbable sutures such as polyglycolic acid (Vicryl/Dexon) are preferred for bowel anastomoses as the suture is absorbed after the tissue has healed.

Question 133: A radioactive seed implant is used during a procedure. Postoperatively, the scrub ST must:

Document seed placement in the instrument count record
Dispose of unused seeds in the sharps container with other waste
Handle seeds without additional precautions as they are sealed sources
Follow radiation safety protocols and ensure proper accounting of all seeds per facility policy (Correct answer)

Correct answer: Follow radiation safety protocols and ensure proper accounting of all seeds per facility policy

Radioactive seeds require strict accounting, handling with appropriate shielding, and disposal per radiation safety regulations and facility policy.

Question 134: What is the PRIMARY purpose of continuing education requirements in Anatomy & Physiology for Surgery for CST professionals?

Fulfilling mandatory regulatory requirements only
Networking with other professionals in the field
Maintaining current knowledge and competency as the field evolves (Correct answer)
Earning additional credentials for career advancement

Correct answer: Maintaining current knowledge and competency as the field evolves

Continuing education in Anatomy & Physiology for Surgery ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.

Question 135: After the final sponge count is confirmed correct, what is the surgical technologist's next priority before closing?

Turn off the overhead surgical lights
Document the count and inform the surgeon (Correct answer)
Begin breaking down the back table immediately
Remove all instruments from the sterile field

Correct answer: Document the count and inform the surgeon

The ST must document the correct count and verbally inform the surgeon so the incision can be safely closed.

Question 136: Which OR environmental factor must be maintained to prevent hypothermia in pediatric patients?

Increased airflow to 30 exchanges per hour
Humidity below 30%
Room temperature at 68°F (20°C)
Room temperature raised to 85–90°F (29–32°C) (Correct answer)

Correct answer: Room temperature raised to 85–90°F (29–32°C)

Pediatric patients lose heat rapidly, so OR temperature is raised significantly — often to 85–90°F — to prevent hypothermia during their procedures.

Question 137: What documentation follows a surgery?

Patient mood
Scrub tech review
Surgical count, times, and specimen documentation (Correct answer)
Anesthesia notes only

Correct answer: Surgical count, times, and specimen documentation

Comprehensive documentation following surgery is essential for patient safety, legal compliance, and continuity of care. This includes recording the final surgical counts of sponges, sharps, and instruments, noting critical times (e.g., incision, closure), and meticulously documenting all specimens collected. These records provide a complete and accurate account of the surgical procedure and patient status.

Question 138: What is the PRIMARY purpose of continuing education requirements in Wound Closure & Healing for CST professionals?

Earning additional credentials for career advancement
Maintaining current knowledge and competency as the field evolves (Correct answer)
Networking with other professionals in the field
Fulfilling mandatory regulatory requirements only

Correct answer: Maintaining current knowledge and competency as the field evolves

Continuing education in Wound Closure & Healing ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.

Question 139: Which instrument is used to clamp the cystic duct during a laparoscopic cholecystectomy?

Both titanium clip applier and hemoclip (Correct answer)
Titanium clip applier
Babcock clamp
Hemoclip

Correct answer: Both titanium clip applier and hemoclip

Both titanium clip appliers and hemoclips are used to ligate (clamp) the cystic duct and cystic artery during laparoscopic cholecystectomy.

Question 140: Which of the following describes the correct method for measuring suture before handing it to the surgeon for a ligature?

Provide the full length from the package
Cut to 18 inches regardless of use
Measure from fingertip to elbow (approximately) (Correct answer)
Cut to 6 inches for all ties

Correct answer: Measure from fingertip to elbow (approximately)

A ligature tie is typically measured by the ST from fingertip to elbow (~18 inches) to provide adequate length without excess.

Question 141: A patient is placed in the lithotomy position. Which complication is the surgical team most vigilant about preventing?

Corneal abrasion
Pressure ulcer on the occiput
Brachial plexus stretch injury
Compartment syndrome of the lower legs (Correct answer)

Correct answer: Compartment syndrome of the lower legs

Lithotomy position elevates the legs, restricting venous return and increasing compartment pressure, potentially causing compartment syndrome if prolonged.

Question 142: Which patient position places the greatest risk for brachial plexus injury?

Supine with arms abducted more than 90 degrees (Correct answer)
Supine with arms tucked
Lateral decubitus with axillary roll in place
Prone

Correct answer: Supine with arms abducted more than 90 degrees

Abducting the arm beyond 90 degrees stretches the brachial plexus, leading to potential nerve injury during surgery.

Question 143: Which standard of practice is MOST important for ensuring quality in Surgical Instrumentation & Equipment?

Following evidence-based protocols while adapting to specific circumstances (Correct answer)
Using the most advanced technology available regardless of need
Minimizing documentation to focus on practical work
Strictly adhering to the same procedure in every situation

Correct answer: Following evidence-based protocols while adapting to specific circumstances

Question 144: Preoperative antibiotic prophylaxis is typically administered within which time window before skin incision?

Immediately after skin prep
4–6 hours before
At the conclusion of the procedure
60 minutes before (Correct answer)

Correct answer: 60 minutes before

Evidence-based guidelines recommend IV antibiotic prophylaxis within 60 minutes before incision to ensure therapeutic tissue levels at the time of skin opening.

Question 145: Ondansetron prevents postoperative nausea and vomiting by blocking which receptor?

Histamine H1 receptor
Dopamine D2 receptor
Muscarinic M1 receptor
Serotonin 5-HT3 receptor (Correct answer)

Correct answer: Serotonin 5-HT3 receptor

Ondansetron is a selective 5-HT3 antagonist that blocks serotonin receptors in the chemoreceptor trigger zone and vagal afferents.

Question 146: Which position requires the use of a beanbag positioner and axillary roll to protect the patient?

Lateral decubitus (Correct answer)
Lithotomy
Supine
Prone

Correct answer: Lateral decubitus

The lateral decubitus (lateral) position requires a beanbag positioner for stability and an axillary roll placed under the dependent chest to protect the brachial plexus.

Question 147: What documentation practice is considered essential in Surgical Instrumentation & Equipment within the Certified Surgical Technician field?

Only documenting unusual events or complications
Recording actions, observations, and outcomes in real-time or as close to the event as possible (Correct answer)
Using shorthand notes that can be expanded later if needed
Completing all documentation at the end of the workday

Correct answer: Recording actions, observations, and outcomes in real-time or as close to the event as possible

Real-time or near-real-time documentation in Surgical Instrumentation & Equipment ensures accuracy, provides a contemporaneous record, and is considered the gold standard for professional accountability and legal defensibility.

Question 148: A surgeon requests a 'pop-off' needle. What is the advantage of this type of suture?

The needle detaches from the suture with a sharp tug for faster interrupted suturing (Correct answer)
It is used only for laparoscopic procedures
It has a built-in cutting edge for skin closure
It dissolves faster than standard suture

Correct answer: The needle detaches from the suture with a sharp tug for faster interrupted suturing

Pop-off (controlled release) needles are designed to detach from the suture strand with a sharp tug, allowing rapid placement of multiple interrupted sutures.

Question 149: Which drug is used to reverse the effects of benzodiazepines administered during surgery?

Flumazenil (Correct answer)
Naloxone
Neostigmine
Protamine sulfate

Correct answer: Flumazenil

Flumazenil is a benzodiazepine antagonist that competitively reverses sedation and respiratory depression.

Question 150: Why is instrument passing technique important?

To ensure efficiency and maintain sterility (Correct answer)
To monitor surgical time
To test hand-eye coordination
To teach students

Correct answer: To ensure efficiency and maintain sterility

Proper instrument passing technique is crucial for both efficiency and maintaining sterility within the surgical field. It ensures the surgeon receives the correct instrument safely and without looking away, while also preventing accidental contamination or injury to the surgical team.

Question 151: Which of the following is the scrub ST's role during dressing application?

Apply the dressing directly to the wound without surgeon involvement
Hand non-sterile supplies from the circulator to the surgeon
Document dressing type in the electronic health record
Pass dressing materials to the surgeon in the correct order while maintaining sterility (Correct answer)

Correct answer: Pass dressing materials to the surgeon in the correct order while maintaining sterility

The scrub ST passes sterile dressing materials (e.g., telfa, gauze, tape) to the surgeon in the correct sequence while maintaining sterile technique.

Question 152: After a procedure involving an implant, the scrub ST should ensure the implant sticker/label is:

Discarded with the instrument packaging after the case
Attached to the sterile wrapping of the back table instruments
Affixed to the patient's chart or implant log as required by facility policy (Correct answer)
Given directly to the patient for their personal records

Correct answer: Affixed to the patient's chart or implant log as required by facility policy

Implant stickers must be placed in the patient chart and implant log to create a permanent traceability record per AORN and accreditation standards.

Question 153: When a surgical glove is punctured during a procedure, the scrub technologist should:

Continue the case and change gloves at the end
Immediately inform the surgeon, step away, remove the glove, inspect for injury, and apply a new glove (Correct answer)
Double-glove over the punctured glove to seal the hole
Notify the surgeon quietly and change gloves during a convenient break

Correct answer: Immediately inform the surgeon, step away, remove the glove, inspect for injury, and apply a new glove

A punctured glove must be changed immediately after notifying the surgeon; the hand should be inspected for injury and proper hand hygiene performed before reglowing.

Question 154: Which of the following is a semi-critical item per Spaulding classification?

Laryngoscope blade (Correct answer)
Surgical scalpel blade
Bed rail
Blood pressure cuff

Correct answer: Laryngoscope blade

Laryngoscope blades contact mucous membranes and require at minimum high-level disinfection, classifying them as semi-critical items.

Question 155: Clopidogrel (Plavix) should ideally be discontinued before elective surgery for at least how many days to reduce bleeding risk?

5–7 days (Correct answer)
14 days
3 days
1 day

Correct answer: 5–7 days

Clopidogrel irreversibly inhibits P2Y12 platelet receptors; discontinuing it 5–7 days before surgery allows sufficient platelet turnover to restore hemostasis.

Question 156: Chemical class indicators (Class 2 indicators) such as the Bowie-Dick test are used to:

Confirm sterility of the load
Test the efficacy of biological spore strips
Verify steam penetration in dynamic-air-removal sterilizers (Correct answer)
Monitor the temperature inside the chamber

Correct answer: Verify steam penetration in dynamic-air-removal sterilizers

The Bowie-Dick test (a Class 2 indicator) specifically verifies adequate air removal and steam penetration in prevacuum sterilizers.

Question 157: Which graft material is most commonly used for an abdominal aortic aneurysm open repair?

Woven Dacron (polyester) prosthesis (Correct answer)
Bovine pericardium
PTFE patch only
Autologous saphenous vein

Correct answer: Woven Dacron (polyester) prosthesis

Woven Dacron (polyester) tube or bifurcated grafts are the standard prosthetic conduit for open AAA repair due to durability and handling characteristics.

Question 158: During a craniotomy, which powered instrument is used to cut through the skull?

Oscillating saw
Stryker cast saw
Gigli saw
Craniotome (pneumatic or electric) (Correct answer)

Correct answer: Craniotome (pneumatic or electric)

A craniotome (also called a perforator/drill with a craniotome attachment) is used to make burr holes and cut the bone flap during a craniotomy.

Question 159: Which reversal agent is used to antagonize non-depolarizing neuromuscular blocking agents at the end of surgery?

Physostigmine
Flumazenil
Neostigmine (Correct answer)
Naloxone

Correct answer: Neostigmine

Neostigmine inhibits acetylcholinesterase, increasing acetylcholine at the neuromuscular junction to competitively overcome non-depolarizing blockade.

Question 160: Which action is part of the surgical technologist's role during the preoperative count?

Counting only sharps since sponges are radio-opaque
Performing the count alone before the circulator arrives
Delegating the count to the RNFA
Counting all instruments, sharps, and sponges concurrently with the circulating nurse (Correct answer)

Correct answer: Counting all instruments, sharps, and sponges concurrently with the circulating nurse

Both the scrub surgical technologist and the circulating nurse perform counts together and simultaneously to ensure accuracy and shared accountability.

Question 161: Which suture technique produces the most cosmetically acceptable scar with minimal cross-hatch marks?

Vertical mattress sutures
Figure-of-eight sutures
Subcuticular (intradermal) suture (Correct answer)
Interrupted sutures

Correct answer: Subcuticular (intradermal) suture

The subcuticular suture runs beneath the skin surface, avoiding percutaneous punctures and eliminating cross-hatch scarring.

Question 162: When a wound closure using staples is performed, the scrub technologist should ensure the stapler is loaded and:

Dipped in saline to lubricate the staples before use
Handed to the surgeon with the safety engaged until ready to fire (Correct answer)
Kept on the back table until the surgeon specifically requests it
Pre-fired once to test it before use on the patient

Correct answer: Handed to the surgeon with the safety engaged until ready to fire

Skin staplers should be handed to the surgeon with the safety mechanism engaged to prevent accidental firing and unintended tissue injury.

Question 163: Which local anesthetic is an ester-type agent commonly used for spinal anesthesia?

Tetracaine (Correct answer)
Ropivacaine
Lidocaine
Bupivacaine

Correct answer: Tetracaine

Tetracaine is an ester-type local anesthetic frequently used for spinal (intrathecal) anesthesia.

Question 164: The circulator reports that the patient's temperature has dropped to 35°C during a long procedure. The ST's BEST response is to:

Lower the OR table to improve circulation
Switch off the ESU to reduce heat generation
Prepare warm irrigation fluids and notify the surgeon (Correct answer)
Continue without change; mild hypothermia is protective

Correct answer: Prepare warm irrigation fluids and notify the surgeon

Intraoperative hypothermia increases bleeding risk and infection rates; warm irrigation fluids and patient warming measures should be implemented.

Question 165: What is the role of the surgical checklist?

To verify key surgical and patient details (Correct answer)
To document anesthesia doses
To calculate surgery duration
To track hospital supplies

Correct answer: To verify key surgical and patient details

The surgical checklist is a vital patient safety tool, often based on the WHO Surgical Safety Checklist. Its role is to systematically verify key details such as patient identity, surgical site marking, allergies, and equipment availability, ensuring all critical steps are completed before, during, and after surgery.

Question 166: What is the significance of peer review in evidence-based practice & research methods for CST professionals?

It is primarily used for disciplinary purposes
It promotes accountability, knowledge sharing, and quality improvement (Correct answer)
It replaces the need for self-assessment
It is only relevant for newly certified professionals

Correct answer: It promotes accountability, knowledge sharing, and quality improvement

Peer review promotes accountability, knowledge sharing, and quality improvement by allowing CST professionals to benefit from collective expertise and identify areas for growth.

Question 167: A surgeon performing a Whipple procedure (pancreaticoduodenectomy) will require which anastomosis to restore biliary drainage?

Ileoileostomy
Pancreaticogastrostomy only
Gastrojejunostomy
Choledochojejunostomy (hepaticojejunostomy) (Correct answer)

Correct answer: Choledochojejunostomy (hepaticojejunostomy)

A choledochojejunostomy (or hepaticojejunostomy) reconnects the bile duct to the jejunum to restore biliary drainage after removal of the duodenum.

Question 168: What is the purpose of intravascular heparin administration prior to clamping the aorta during an abdominal aortic aneurysm (AAA) repair?

To lower blood pressure
To prevent clot formation distal to the clamp (Correct answer)
To dissolve the aneurysm thrombus
To reduce anesthetic requirements

Correct answer: To prevent clot formation distal to the clamp

Systemic heparinization before aortic clamping prevents thrombus formation in the stagnant blood distal to the clamp and in the graft.

Question 169: Intraoperative awareness under general anesthesia is most strongly associated with which patient scenario?

Cardiac or obstetric surgery patients who receive reduced anesthetic doses (Correct answer)
Patients undergoing procedures lasting less than 30 minutes
Pediatric patients receiving volatile anesthetic agents
Elderly patients receiving epidural anesthesia

Correct answer: Cardiac or obstetric surgery patients who receive reduced anesthetic doses

Cardiac and obstetric surgeries often require lighter anesthesia to protect hemodynamic stability or the fetus, increasing intraoperative awareness risk.

Question 170: The surgical technologist opens a sterile gown and gloves onto the sterile field. The circulating nurse then notices the sterile indicator tape on the pack did not change color. What should occur?

Use the items but double-glove for extra protection
Ask the surgeon whether to continue
Remove the suspect items from the field and replace them with new ones (Correct answer)
Proceed — the indicator tape is only a guideline

Correct answer: Remove the suspect items from the field and replace them with new ones

Failure of the chemical indicator to change means sterility cannot be confirmed; those items must be removed and replaced with verified sterile supplies.

Question 171: In orthopedic surgery, what is the primary purpose of a pneumatic tourniquet applied to the extremity?

To prevent nerve damage
To reduce postoperative edema
To provide a bloodless operative field (Correct answer)
To stabilize the fracture site

Correct answer: To provide a bloodless operative field

A pneumatic tourniquet occludes arterial blood flow to create a bloodless field, improving visibility and reducing blood loss during extremity procedures.

Question 172: When implementing communication & interprofessional collaboration practices, what should a CST professional prioritize first?

Cost reduction at all levels
Speed of completion over thoroughness
Compliance with established standards and protocols (Correct answer)
Personal convenience and efficiency

Correct answer: Compliance with established standards and protocols

Compliance with established standards and protocols must be the first priority, as it ensures safety, quality, and legal adherence in professional practice.

Question 173: How does risk management apply to daily practice in Wound Closure & Healing for Certified Surgical Technician professionals?

By avoiding high-risk situations entirely
Through annual safety audits exclusively
Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
Only through responding to incidents after they occur

Correct answer: Through proactive identification of potential hazards and implementation of preventive measures

Effective risk management in Wound Closure & Healing requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.

Question 174: The primary purpose of a suction-irrigator device during laparoscopy is to:

Staple bowel ends together
Remove blood and fluid while introducing saline for visibility (Correct answer)
Provide pneumoperitoneum
Seal tissue with heat

Correct answer: Remove blood and fluid while introducing saline for visibility

The suction-irrigator simultaneously aspirates blood and debris and delivers saline irrigation to maintain clear visualization of the operative field.

Question 175: When a sterile team member's gown becomes wet during a procedure, what is the correct action?

Consider the gown contaminated and change immediately (Correct answer)
Notify the surgeon but continue if the area is not near the field
Apply a sterile drape over the wet area and continue
Continue the procedure and change the gown after

Correct answer: Consider the gown contaminated and change immediately

Strike-through contamination occurs when moisture penetrates a gown, rendering it non-sterile and requiring immediate gown change.

Question 176: Which action is correct when handling a contaminated surgical specimen postoperatively?

Wrap it in a sterile drape until pathology arrives
Store it in the instrument tray until the case is closed
Place it in a labeled specimen container per facility protocol (Correct answer)
Rinse it with saline before placing it in the container

Correct answer: Place it in a labeled specimen container per facility protocol

Specimens must be placed in properly labeled containers per institutional and pathology protocols to ensure accurate identification.

NBSTSA Certified Surgical Technologist (CST)

The Certified Surgical Technologist (CST) certification validates the knowledge and skills of surgical technologists in aseptic technique, patient care, and surgical procedures.

175

Questions

150 min

Time Limit

70%

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