CMSRN® Certification Exam (Certified Medical-Surgical Registered Nurse) — Questions and Answers
Question 1: Which factor MOST significantly affects the quality of technical outcomes in MSNCB practice?
- The brand of equipment being used
- The practitioner's training, preparation, and attention to detail (Correct answer)
- The speed at which procedures are completed
- The time of day the procedure is performed
Correct answer: The practitioner's training, preparation, and attention to detail
The quality of technical outcomes depends primarily on the practitioner's level of training, thorough preparation, and careful attention to detail. While equipment matters, the professional's competence is the most significant factor.
Question 2: A patient with type 1 diabetes presents with blood glucose of 42 mg/dL, diaphoresis, and confusion. Which intervention should the nurse perform FIRST?
- Start an IV and administer 50% dextrose
- Notify the physician immediately
- Give 15-20g of fast-acting carbohydrate orally (Correct answer)
- Administer 1 mg glucagon IM
Correct answer: Give 15-20g of fast-acting carbohydrate orally
If the patient can swallow safely, oral fast-acting carbohydrates (15-20g) are the first-line treatment for mild-to-moderate hypoglycemia.
Question 3: Which instruction is MOST important for a patient newly diagnosed with diabetes insipidus being discharged on desmopressin (DDAVP)?
- Monitor daily weight and report gains of more than 2 lbs (Correct answer)
- Take the medication with a full glass of orange juice
- Increase sodium intake to compensate for urinary losses
- Avoid all physical activity while on this medication
Correct answer: Monitor daily weight and report gains of more than 2 lbs
DDAVP can cause fluid retention and dilutional hyponatremia; daily weight monitoring helps detect early signs of water intoxication.
Question 4: Which clinical sign differentiates Parkinson's disease tremor from essential tremor?
- Tremor is bilateral in Parkinson's disease
- Tremor improves with alcohol in Parkinson's disease
- Tremor worsens with caffeine in Parkinson's disease
- Tremor is present at rest in Parkinson's disease (Correct answer)
Correct answer: Tremor is present at rest in Parkinson's disease
Parkinson's tremor is a resting tremor that diminishes with intentional movement, while essential tremor occurs with action or posture.
Question 5: A patient with Guillain-Barré syndrome is admitted. Which assessment finding is most critical to monitor?
- Muscle pain level
- Deep tendon reflexes
- Respiratory rate and tidal volume (Correct answer)
- Blood pressure variability
Correct answer: Respiratory rate and tidal volume
Ascending paralysis in Guillain-Barré syndrome can involve respiratory muscles, making respiratory function the most critical assessment.
Question 6: Which Glasgow Coma Scale score indicates severe traumatic brain injury?
- 13-15
- 8 or below (Correct answer)
- 9-12
- 6 or below
Correct answer: 8 or below
A GCS score of 8 or below classifies a traumatic brain injury as severe and typically requires intubation to protect the airway.
Question 7: A nurse is preparing to administer potassium chloride IV to a patient with hypokalemia. Which action is essential for patient safety?
- Administer undiluted through a central line
- Mix only with D5W to prevent vascular irritation
- Administer as an IV bolus for rapid correction
- Dilute and infuse at no more than 10–20 mEq/hour via infusion pump (Correct answer)
Correct answer: Dilute and infuse at no more than 10–20 mEq/hour via infusion pump
IV potassium must always be diluted and administered slowly (≤10–20 mEq/hr) via a controlled infusion pump to prevent fatal cardiac arrhythmias from rapid potassium shifts.
Question 8: A patient with GERD is prescribed omeprazole. The nurse should instruct the patient to take this medication:
- As needed when heartburn symptoms occur
- At bedtime with a full glass of water
- 30–60 minutes before the first meal of the day (Correct answer)
- With food to reduce GI upset
Correct answer: 30–60 minutes before the first meal of the day
Proton pump inhibitors are most effective when taken 30–60 minutes before a meal so the drug is active when acid pumps are stimulated.
Question 9: A patient returns from colonoscopy with polypectomy. Which assessment finding requires immediate intervention?
- Firm, board-like abdomen with rebound tenderness (Correct answer)
- Low-grade fever of 37.6°C (99.7°F)
- Passage of small amounts of blood-tinged stool
- Mild abdominal cramping
Correct answer: Firm, board-like abdomen with rebound tenderness
A rigid, board-like abdomen with rebound tenderness suggests bowel perforation, a surgical emergency.
Question 10: Which medication requires the nurse to hold it if the patient's heart rate is below 60 bpm?
- Hydralazine
- Lisinopril
- Amlodipine
- Metoprolol (Correct answer)
Correct answer: Metoprolol
Metoprolol is a beta-blocker that decreases heart rate and should be withheld and the provider notified if the apical pulse is below 60 bpm.
Question 11: A patient with a long leg cast reports severe pain unrelieved by opioids and paresthesia in the toes. What is the priority nursing action?
- Elevate the extremity higher
- Administer additional analgesic
- Bivalve or remove the cast immediately (Correct answer)
- Apply ice over the cast
Correct answer: Bivalve or remove the cast immediately
Unrelieved pain and paresthesia indicate compartment syndrome, requiring immediate cast removal to relieve pressure.
Question 12: A patient is receiving a continuous albuterol nebulization treatment. Which side effect requires the nurse to notify the physician?
- Mild tremor in the hands
- Dry mouth and throat irritation
- Serum potassium of 2.8 mEq/L with cardiac dysrhythmia (Correct answer)
- Heart rate of 102 beats per minute
Correct answer: Serum potassium of 2.8 mEq/L with cardiac dysrhythmia
Beta-2 agonists drive potassium into cells, causing hypokalemia; severe hypokalemia with dysrhythmias is a life-threatening complication requiring immediate physician notification.
Question 13: A patient with mitral stenosis is most likely to develop which complication due to left atrial enlargement?
- Aortic regurgitation from valve annulus dilation
- Atrial fibrillation due to atrial wall distension (Correct answer)
- Pulmonary embolism from right-sided thrombus
- Right ventricular hypertrophy from increased preload
Correct answer: Atrial fibrillation due to atrial wall distension
Left atrial enlargement from mitral stenosis stretches atrial muscle fibers, disrupting electrical conduction and predisposing the patient to atrial fibrillation.
Question 14: A patient with a subarachnoid hemorrhage suddenly develops worsening headache, photophobia, and neck stiffness. Which complication is most likely occurring?
- Cerebral vasospasm
- Hydrocephalus
- Hyponatremia
- Rebleeding (Correct answer)
Correct answer: Rebleeding
Sudden worsening of headache after subarachnoid hemorrhage is the classic sign of rebleeding, the most dangerous early complication.
Question 15: What is the role of informed consent in renal nursing?
- It is only needed for surgery
- It protects only the provider
- It is a mere formality
- It ensures the patient understands and agrees to the plan (Correct answer)
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 16: A patient receiving IV amphotericin B develops rigors and fever during infusion. The most appropriate pre-medication to prevent this reaction is:
- Ondansetron and lorazepam
- Acetaminophen and diphenhydramine (Correct answer)
- Famotidine and cetirizine
- Methylprednisolone and epinephrine
Correct answer: Acetaminophen and diphenhydramine
Acetaminophen and diphenhydramine (with or without hydrocortisone) are standard pre-medications used to reduce infusion-related reactions to amphotericin B.
Question 17: When conducting a risk assessment for MSNCB operations, which factor should receive the HIGHEST priority?
- Probability and severity of potential harm (Correct answer)
- Cost of implementing safety measures
- Time required for safety training
- Convenience for daily operations
Correct answer: Probability and severity of potential harm
The probability and severity of potential harm are the primary factors in risk assessment. While cost and convenience are considerations, they should never override the assessment of how likely an incident is and how severe its consequences could be.
Question 18: What is the PRIMARY reason for regulatory compliance in the Medical-Surgical Nursing Certification Board profession?
- To create additional paperwork for documentation
- To avoid penalties and fines only
- To justify higher service fees
- To protect public safety, ensure quality standards, and maintain professional integrity (Correct answer)
Correct answer: To protect public safety, ensure quality standards, and maintain professional integrity
Regulatory compliance serves the broader purpose of protecting public safety, ensuring consistent quality standards, and maintaining the integrity of the profession. While avoiding penalties is a benefit, the primary motivation is safeguarding the public interest.
Question 19: Why is it important to assess the patient's health status before surgery?
- To identify risks and ensure proper surgical planning (Correct answer)
- To increase the cost of surgery
- To reduce the duration of the surgery
- To minimize patient recovery time
Correct answer: To identify risks and ensure proper surgical planning
Assessing a patient's health status before surgery, known as preoperative assessment, is a comprehensive evaluation of their overall condition. This critical step helps identify existing medical conditions, potential surgical risks, and allergies, allowing the surgical team to develop a tailored plan. This minimizes complications and optimizes patient safety during and after the procedure.
Question 20: A patient with multiple myeloma is at highest risk for which musculoskeletal complication?
- Septic arthritis from immunosuppression
- Pathologic fractures due to osteolytic lesions (Correct answer)
- Gout from uric acid overproduction
- Avascular necrosis of the femoral head
Correct answer: Pathologic fractures due to osteolytic lesions
Multiple myeloma causes osteolytic bone lesions that weaken bone structure, placing patients at high risk for pathologic fractures.
Question 21: What is the most important factor in effective communication with patients regarding endocrine nursing?
- Speaking quickly to save time
- Using medical jargon to appear professional
- Using clear, understandable language and confirming understanding (Correct answer)
- Providing written instructions only
Correct answer: Using clear, understandable language and confirming understanding
Clear communication in understandable language, with confirmation of understanding, improves patient compliance and outcomes.
Question 22: A nurse is counseling a 50-year-old patient about colorectal cancer screening. Which recommendation aligns with current US Preventive Services Task Force (USPSTF) guidelines for average-risk adults?
- Screen annually with fecal occult blood test starting at age 60
- Begin colonoscopy screening at age 40
- Begin screening at age 45 using any approved method (Correct answer)
- Screen only if family history is positive
Correct answer: Begin screening at age 45 using any approved method
USPSTF recommends colorectal cancer screening beginning at age 45 for average-risk adults using any approved modality.
Question 23: In MSNCB practice, when should a patient's condition be reassessed?
- Once per week
- Only at admission and discharge
- Only when the patient requests it
- At regular intervals and when status changes (Correct answer)
Correct answer: At regular intervals and when status changes
Regular reassessment and reassessment upon status changes ensure that care plans remain appropriate and responsive to the patient's needs.
Question 24: Which nursing action is MOST appropriate for a patient with myxedema coma?
- Provide IV thyroid hormone, keep warm, and monitor for respiratory failure (Correct answer)
- Administer cooling blankets and acetaminophen for fever
- Restrict IV fluids to prevent cerebral edema
- Administer high-dose propranolol to control heart rate
Correct answer: Provide IV thyroid hormone, keep warm, and monitor for respiratory failure
Myxedema coma requires IV thyroid hormone replacement, external rewarming, airway support, and close monitoring for respiratory failure due to decreased respiratory drive.
Question 25: A patient with a new diagnosis of Crohn's disease asks about surgical cure. The nurse's best response is:
- Surgery is not an option for Crohn's disease
- Surgery cures Crohn's disease by removing the affected bowel segment
- Surgery controls complications but does not cure Crohn's disease, as it can recur (Correct answer)
- A colectomy with ileostomy permanently eliminates Crohn's disease
Correct answer: Surgery controls complications but does not cure Crohn's disease, as it can recur
Unlike ulcerative colitis, Crohn's disease is not cured by surgery and frequently recurs at or near the anastomosis.
Question 26: A nurse is caring for a patient post-Whipple procedure (pancreaticoduodenectomy). Which early complication requires immediate reporting to the surgeon?
- Blood glucose of 180 mg/dL
- Mild abdominal distension on post-op day 2
- Delayed gastric emptying with nausea
- Amylase-rich drain output exceeding 3× normal serum amylase (Correct answer)
Correct answer: Amylase-rich drain output exceeding 3× normal serum amylase
Drain amylase >3× the upper limit of normal serum amylase on post-op day 3 or later indicates a clinically relevant pancreatic fistula.
Question 27: In Medical-Surgical Nursing Certification Board practice, what is the CORRECT sequence when performing a technical procedure?
- Plan, prepare, execute, verify, and document (Correct answer)
- Document, execute, then plan
- Execute, then plan and review
- Execute immediately and document only if issues arise
Correct answer: Plan, prepare, execute, verify, and document
The correct sequence follows a systematic approach: plan the procedure, prepare necessary resources, execute according to standards, verify results meet specifications, and document the process and outcomes. This ensures quality and accountability.
Question 28: What is the purpose of monitoring vital signs post-surgery?
- To ensure the patient feels comfortable after surgery
- To control the patient's emotions post-surgery
- To detect complications early and provide timely interventions (Correct answer)
- To monitor the number of surgical stitches used
Correct answer: To detect complications early and provide timely interventions
Monitoring vital signs (temperature, pulse, respiration, blood pressure, oxygen saturation) post-surgery provides critical indicators of a patient's physiological stability. Significant changes can signal developing complications such as hemorrhage, infection, or respiratory distress. This allows nurses to detect problems early and intervene promptly, preventing further deterioration and ensuring patient safety.
Question 29: In MSNCB practice, when should a patient's condition be reassessed?
- Only when the patient requests it
- At regular intervals and when status changes (Correct answer)
- Once per week
- Only at admission and discharge
Correct answer: At regular intervals and when status changes
Regular reassessment and reassessment upon status changes ensure that care plans remain appropriate and responsive to the patient's needs.
Question 30: During a surgical count, the circulating nurse and scrub nurse discover a discrepancy. What is the correct action?
- Document the discrepancy and close the incision
- Complete the procedure and order an X-ray postoperatively
- Recount once more and proceed if results differ by only one item
- Notify the surgeon immediately and conduct a thorough search (Correct answer)
Correct answer: Notify the surgeon immediately and conduct a thorough search
Any count discrepancy must be immediately reported to the surgeon and a systematic search performed before the incision is closed.
Question 31: Which clinical finding is most associated with hypocalcemia?
- Trousseau's sign (Correct answer)
- Constipation
- Bradycardia
- Polyuria
Correct answer: Trousseau's sign
Trousseau's sign — carpopedal spasm triggered by BP cuff inflation — is a classic manifestation of hypocalcemia due to increased neuromuscular excitability.
Question 32: Which finding in the immediate postoperative period requires the nurse to reposition the patient before anything else?
- SpO2 of 86% with audible snoring and a relaxed jaw (Correct answer)
- Respiratory rate of 14 breaths/min
- Blood pressure of 138/88 mmHg
- SpO2 of 94% on room air
Correct answer: SpO2 of 86% with audible snoring and a relaxed jaw
SpO2 of 86% with snoring indicates airway obstruction from a relaxed tongue; immediate jaw-thrust or head-tilt/chin-lift repositioning is the priority.
Question 33: A nurse is assessing a patient who reports 'the worst headache of my life' with sudden onset. The patient is alert and oriented with a stiff neck and photophobia. Which condition is MOST likely?
- Bacterial meningitis
- Subarachnoid hemorrhage (Correct answer)
- Hypertensive urgency
- Tension headache
Correct answer: Subarachnoid hemorrhage
A sudden, thunderclap 'worst headache of life' with nuchal rigidity and photophobia is the classic presentation of subarachnoid hemorrhage until proven otherwise.
Question 34: A nurse is caring for a patient with hypernatremia (serum sodium 158 mEq/L). Which intervention is most appropriate?
- Administer 3% NaCl IV
- Restrict all fluid intake
- Administer sodium bicarbonate
- Encourage free water intake or administer hypotonic fluids (Correct answer)
Correct answer: Encourage free water intake or administer hypotonic fluids
Hypernatremia is treated by replacing the free water deficit using hypotonic fluids or encouraging oral water intake to dilute the elevated serum sodium level.
Question 35: A nurse is assessing a patient who sustained a crush injury to the leg 8 hours ago. Creatine kinase (CK) is 28,000 U/L and urine is dark brown. The priority nursing concern is:
- Hypernatremia from IV fluid administration
- Hypothermia
- Compartment syndrome in the contralateral leg
- Acute kidney injury from myoglobinuria (Correct answer)
Correct answer: Acute kidney injury from myoglobinuria
Markedly elevated CK and dark urine indicate rhabdomyolysis; myoglobin precipitates in renal tubules, causing acute kidney injury requiring aggressive IV hydration.
Question 36: What is the role of informed consent in neurological nursing?
- It is only needed for surgery
- It ensures the patient understands and agrees to the plan (Correct answer)
- It protects only the provider
- It is a mere formality
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 37: A post-operative patient develops confusion, tachycardia (HR 126), fever (38.9°C), diaphoresis, and agitation 12 hours after emergency surgery. The patient has a history of alcohol dependence. The nurse should MOST suspect:
- Sepsis from a surgical site infection
- Thyroid storm
- Malignant hyperthermia
- Alcohol withdrawal delirium (delirium tremens) (Correct answer)
Correct answer: Alcohol withdrawal delirium (delirium tremens)
Delirium tremens typically peaks 24–72 hours after alcohol cessation; the surgical stress likely triggered early onset withdrawal syndrome.
Question 38: Which ethical principle requires MSNCB professionals to act in the patient's best interest?
- Beneficence (Correct answer)
- Justice
- Autonomy
- Fidelity
Correct answer: Beneficence
Beneficence is the ethical principle that obligates healthcare professionals to act in ways that promote the well-being and best interests of the patient.
Question 39: A patient 24 hours post-total hip replacement reports sudden onset of sharp chest pain and dyspnea. SpO2 drops from 97% to 89%. Which condition does the nurse MOST suspect?
- Pneumonia
- Atelectasis
- Acute heart failure
- Pulmonary embolism (Correct answer)
Correct answer: Pulmonary embolism
Sudden pleuritic chest pain, dyspnea, and hypoxia following orthopedic surgery are classic signs of pulmonary embolism due to DVT.
Question 40: Which clinical manifestation differentiates hyperosmolar hyperglycemic state (HHS) from diabetic ketoacidosis (DKA)?
- HHS presents with marked ketosis and Kussmaul respirations
- DKA occurs only in type 2 diabetes patients
- Severe dehydration is present only in HHS
- Serum glucose is typically above 600 mg/dL in HHS with minimal or no ketosis (Correct answer)
Correct answer: Serum glucose is typically above 600 mg/dL in HHS with minimal or no ketosis
HHS features extreme hyperglycemia (often >600 mg/dL) and hyperosmolarity with minimal ketosis, because residual insulin prevents ketogenesis.
Question 41: A patient who underwent repair of a perforated duodenal ulcer develops fever, board-like abdomen rigidity, and rebound tenderness on postoperative day 3. The nurse suspects:
- Peritonitis from anastomotic leak (Correct answer)
- Wound hematoma
- Acute pancreatitis
- Paralytic ileus
Correct answer: Peritonitis from anastomotic leak
Board-like rigidity and rebound tenderness with fever post-bowel surgery strongly suggest peritonitis, often from an anastomotic leak.
Question 42: What is the role of informed consent in endocrine nursing?
- It is only needed for surgery
- It protects only the provider
- It is a mere formality
- It ensures the patient understands and agrees to the plan (Correct answer)
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 43: Which ethical principle requires MSNCB professionals to act in the patient's best interest?
- Justice
- Beneficence (Correct answer)
- Autonomy
- Fidelity
Correct answer: Beneficence
Beneficence is the ethical principle that obligates healthcare professionals to act in ways that promote the well-being and best interests of the patient.
Question 44: What is the first priority in renal nursing for MSNCB practitioners?
- Completing documentation
- Meeting productivity targets
- Ensuring patient safety and well-being (Correct answer)
- Following insurance requirements
Correct answer: Ensuring patient safety and well-being
Patient safety and well-being must always be the first priority in clinical practice, taking precedence over administrative concerns.
Question 45: A patient with COPD has an SpO2 of 88% on room air. The physician orders oxygen at 2 L/min via nasal cannula. Which clinical decision best supports this order?
- An SpO2 of 88% does not require oxygen intervention
- Nasal cannula delivers precise FiO2, eliminating CO2 retention risk
- COPD patients rely on hypoxic drive; excessive O2 may suppress respiratory effort (Correct answer)
- All COPD patients require low-flow oxygen to prevent pulmonary hypertension
Correct answer: COPD patients rely on hypoxic drive; excessive O2 may suppress respiratory effort
Chronic CO2 retainers with COPD may depend on hypoxic drive to breathe, so cautious low-flow oxygen is used to achieve SpO2 of 88–92%.
Question 46: Which ethical principle requires MSNCB professionals to act in the patient's best interest?
- Justice
- Fidelity
- Beneficence (Correct answer)
- Autonomy
Correct answer: Beneficence
Beneficence is the ethical principle that obligates healthcare professionals to act in ways that promote the well-being and best interests of the patient.
Question 47: Which fluid assessment technique is most appropriate to monitor fluid status in a hemodialysis patient between sessions?
- Serum sodium levels every 6 hours
- Daily urine output measurement
- Daily weight measurement (Correct answer)
- Central venous pressure monitoring
Correct answer: Daily weight measurement
Daily weight is the most reliable and practical method to assess fluid accumulation between hemodialysis sessions in anuric or oliguric patients.
Question 48: Which approach is MOST important for MSNCB professionals when applying technical procedures?
- Adhering to established protocols while adapting to specific conditions (Correct answer)
- Using the fastest method available regardless of standards
- Applying the same technique in every situation without variation
- Following personal shortcuts developed through experience
Correct answer: Adhering to established protocols while adapting to specific conditions
Technical procedures require adherence to established protocols as a foundation, with professional judgment to adapt appropriately to specific conditions. This balance ensures both consistency and effectiveness.
Question 49: What is the MOST important factor to consider when selecting assessment tools for MSNCB certification work?
- The cost of the assessment tool
- Personal familiarity with the tool
- How quickly the tool can be administered
- Validity, reliability, and appropriateness for the specific context (Correct answer)
Correct answer: Validity, reliability, and appropriateness for the specific context
Assessment tools must be valid (measuring what they claim to measure), reliable (producing consistent results), and appropriate for the specific context and population. These psychometric properties ensure the quality of assessment outcomes.
Question 50: A nurse is reviewing a patient's medication administration record and notes that metformin 1,000 mg was due 2 hours ago but not given. The patient is scheduled for a CT scan with IV contrast today. What is the priority nursing action?
- Proceed with the scan and administer metformin after
- Hold metformin and notify the radiologist and ordering physician before the scan (Correct answer)
- Document the missed dose and reschedule the scan
- Administer the missed dose immediately before the scan
Correct answer: Hold metformin and notify the radiologist and ordering physician before the scan
Metformin must be held before and after IV contrast administration due to risk of contrast-induced nephropathy leading to lactic acidosis.
Question 51: Which personal protective equipment (PPE) principle applies to ALL MSNCB certified professionals regardless of their specific role?
- PPE is optional if experienced in the field
- Any PPE will provide adequate protection
- PPE is only necessary during formal inspections
- PPE must be properly fitted, maintained, and replaced as needed (Correct answer)
Correct answer: PPE must be properly fitted, maintained, and replaced as needed
Regardless of experience level or specific role, PPE must be properly fitted to the individual, regularly maintained in good condition, and replaced when worn or damaged. Improperly fitted or degraded PPE can provide a false sense of security.
Question 52: Which finding indicates a patient is ready for discharge from Phase I PACU recovery?
- Urine output has reached 500 mL since surgery
- Vital signs stable, patient awake and oriented, pain controlled, no active bleeding (Correct answer)
- Patient can walk without assistance to the waiting area
- Patient reports feeling completely back to normal
Correct answer: Vital signs stable, patient awake and oriented, pain controlled, no active bleeding
PACU discharge criteria include stable vital signs, adequate level of consciousness, controlled pain and nausea, and absence of surgical complications such as bleeding.
Question 53: What is the role of anesthesia in surgical procedures?
- To shorten the duration of the surgery
- To monitor the patient's breathing during surgery
- To make the patient aware of surgical procedures
- To provide pain relief and ensure the patient is unconscious during surgery (Correct answer)
Correct answer: To provide pain relief and ensure the patient is unconscious during surgery
Anesthesia is administered to induce a state of controlled temporary loss of sensation or awareness during surgical procedures. Its primary role is to provide effective pain relief and ensure the patient is unconscious or numb in a specific area. This facilitates the surgeon's work by keeping the patient comfortable and still, making the procedure safe and tolerable.
Question 54: When teaching foot care to a patient with diabetes and peripheral neuropathy, which instruction is MOST important?
- Inspect feet daily and report any sores or changes immediately (Correct answer)
- Soak feet in hot water nightly to improve circulation
- Walk barefoot indoors to toughen skin and improve sensation
- Trim corns and calluses at home to reduce pressure points
Correct answer: Inspect feet daily and report any sores or changes immediately
Daily foot inspection is essential because neuropathy masks pain, allowing ulcers to progress undetected; early reporting prevents amputation.
Question 55: A patient returns from the OR after open reduction internal fixation (ORIF) of the radius. What is the priority neurovascular assessment?
- Assess respiratory rate and oxygen saturation
- Check pulses, sensation, and movement of the fingers distal to the injury (Correct answer)
- Assess the patient's ability to move the shoulder
- Monitor blood glucose every 4 hours
Correct answer: Check pulses, sensation, and movement of the fingers distal to the injury
Neurovascular assessment distal to a fracture or surgical site detects early compartment syndrome or vascular injury.
Question 56: What is the role of informed consent in respiratory care?
- It ensures the patient understands and agrees to the plan (Correct answer)
- It is only needed for surgery
- It is a mere formality
- It protects only the provider
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 57: A patient's arterial blood gas results show: pH 7.28, PaCO2 52 mmHg, HCO3 24 mEq/L. How should the nurse interpret these findings?
- Respiratory acidosis, uncompensated (Correct answer)
- Mixed respiratory and metabolic acidosis
- Respiratory alkalosis, compensated
- Metabolic acidosis, uncompensated
Correct answer: Respiratory acidosis, uncompensated
A low pH with elevated PaCO2 and normal HCO3 indicates primary respiratory acidosis with no metabolic compensation yet.
Question 58: A patient with Cushing's syndrome would be expected to exhibit which combination of findings?
- Hypotension, weight loss, and hyperpigmentation
- Bradycardia, hair loss, and dry skin
- Hypertension, central obesity, and purple striae (Correct answer)
- Hypoglycemia, muscle weakness, and bronze skin
Correct answer: Hypertension, central obesity, and purple striae
Cushing's syndrome is caused by excess cortisol and presents with hypertension, central obesity, moon face, buffalo hump, and purple striae.
Question 59: A post-operative patient is prescribed patient-controlled analgesia (PCA) with morphine. Which nursing action is essential for safe PCA management?
- Set the lockout interval to 5 minutes for adequate pain control
- Allow family members to press the PCA button if the patient is sleeping
- Assess pain and sedation level every 1–2 hours (Correct answer)
- Encourage the patient to press the button before pain becomes severe
Correct answer: Assess pain and sedation level every 1–2 hours
Regular assessment of pain and sedation level every 1–2 hours is essential to detect early signs of opioid-induced respiratory depression with PCA therapy.
Question 60: Which diet modification is most appropriate for a patient with diverticulosis (no active diverticulitis)?
- Clear liquid diet long-term
- Low-fiber, low-residue diet
- High-protein, low-carbohydrate diet
- High-fiber diet with adequate fluid intake (Correct answer)
Correct answer: High-fiber diet with adequate fluid intake
A high-fiber diet softens stool and reduces intraluminal pressure, decreasing the risk of diverticular inflammation.
Question 61: Which medication classification requires a baseline hearing assessment before initiation?
- Calcium channel blockers
- Beta-blockers
- Aminoglycosides (Correct answer)
- SSRIs
Correct answer: Aminoglycosides
Aminoglycosides are ototoxic and can cause irreversible sensorineural hearing loss, necessitating baseline and ongoing audiologic monitoring.
Question 62: In MSNCB practice, when should a patient's condition be reassessed?
- At regular intervals and when status changes (Correct answer)
- Only at admission and discharge
- Only when the patient requests it
- Once per week
Correct answer: At regular intervals and when status changes
Regular reassessment and reassessment upon status changes ensure that care plans remain appropriate and responsive to the patient's needs.
Question 63: A nurse is irrigating a colostomy and notes no return of irrigation fluid after 30 minutes. The most appropriate initial action is to:
- Increase irrigation fluid volume to 2,000 mL
- Call the provider immediately for a suspected obstruction
- Remove the irrigation sleeve and apply a clean pouch
- Reposition the patient and gently advance the cone (Correct answer)
Correct answer: Reposition the patient and gently advance the cone
Repositioning and gently repositioning the irrigation cone often resolves a kinked tube or stoma spasm that blocks fluid return.
Question 64: Which finding in a patient receiving mechanical ventilation indicates ventilator-associated pneumonia (VAP)?
- Respiratory rate of 18 breaths per minute
- New infiltrate on chest X-ray with purulent secretions and fever >38.3°C (Correct answer)
- PEEP requirement of 5 cmH2O
- SpO2 of 94% on FiO2 0.40
Correct answer: New infiltrate on chest X-ray with purulent secretions and fever >38.3°C
VAP is diagnosed by new or worsening radiographic infiltrate plus at least two of: fever, leukocytosis, and purulent secretions.
Question 65: A nurse is administering IV furosemide to a patient with acute decompensated heart failure. Which assessment finding requires immediate intervention?
- Serum potassium of 2.8 mEq/L (Correct answer)
- Urine output of 80 mL/hr
- Blood pressure of 138/88 mmHg
- Heart rate of 88 beats/min
Correct answer: Serum potassium of 2.8 mEq/L
A serum potassium of 2.8 mEq/L indicates hypokalemia, which increases the risk of life-threatening dysrhythmias in cardiac patients receiving diuretics.
Question 66: Which symptom cluster in a post-thyroidectomy patient should prompt the nurse to assess for laryngeal nerve damage?
- Neck swelling, pain, and difficulty swallowing
- Hoarse voice, difficulty speaking, and stridor (Correct answer)
- Tachycardia, fever, and extreme agitation
- Perioral tingling and carpopedal spasm
Correct answer: Hoarse voice, difficulty speaking, and stridor
Hoarseness, weak voice, and stridor after thyroidectomy suggest recurrent laryngeal nerve injury, which can compromise the airway.
Question 67: A patient with type 2 diabetes reports frequent hypoglycemic episodes before dinner. The nurse should recommend discussing which medication adjustment with the provider?
- Switching to a twice-daily glargine regimen
- Adding a rapid-acting insulin before lunch
- Increasing the morning NPH insulin dose
- Reducing the lunchtime rapid-acting insulin dose (Correct answer)
Correct answer: Reducing the lunchtime rapid-acting insulin dose
Pre-dinner hypoglycemia often indicates excessive lunchtime rapid-acting insulin; reducing that dose addresses the timing and prevents the pattern.
Question 68: A patient with hypothyroidism is started on levothyroxine. The nurse should teach the patient to take this medication:
- At bedtime with a high-fat snack
- 30-60 minutes before breakfast on an empty stomach (Correct answer)
- Immediately after each meal three times daily
- With calcium supplements to enhance absorption
Correct answer: 30-60 minutes before breakfast on an empty stomach
Levothyroxine absorption is significantly impaired by food, calcium, and iron; it should be taken on an empty stomach 30-60 minutes before breakfast.
Question 69: Which approach to musculoskeletal care is considered best practice in current MSNCB standards?
- One-size-fits-all protocols
- Traditional methods exclusively
- Evidence-based, individualized interventions (Correct answer)
- The least expensive option
Correct answer: Evidence-based, individualized interventions
Evidence-based, individualized interventions combine the best available research with patient-specific factors for optimal outcomes.
Question 70: Which hemodynamic profile is most consistent with cardiogenic shock?
- Low PCWP, low CO, low SVR
- High PCWP, low CO, high SVR (Correct answer)
- High PCWP, high CO, low SVR
- Low PCWP, high CO, low SVR
Correct answer: High PCWP, low CO, high SVR
Cardiogenic shock presents with elevated PCWP (pulmonary congestion), low cardiac output (pump failure), and elevated SVR (compensatory vasoconstriction).
Question 71: Why is patient education important after surgery?
- To ensure the patient follows instructions and avoids complications (Correct answer)
- To discourage patient involvement in their recovery
- To make the patient rest for a longer time
- To reduce the need for follow-up care
Correct answer: To ensure the patient follows instructions and avoids complications
Patient education after surgery is paramount for ensuring a successful recovery and preventing complications. It empowers patients with the knowledge to understand their care plan, adhere to medication schedules, and recognize warning signs. This active involvement in their recovery journey significantly reduces the risk of readmission and promotes optimal health outcomes.
Question 72: A patient with ulcerative colitis is experiencing a severe flare with 10 bloody stools per day. Which complication should the nurse monitor for most urgently?
- Toxic megacolon (Correct answer)
- Cholelithiasis
- Hemorrhoids
- Anal fissure
Correct answer: Toxic megacolon
Toxic megacolon is a life-threatening complication of severe ulcerative colitis characterized by colonic dilation and risk of perforation.
Question 73: A nurse is educating a patient newly diagnosed with tuberculosis (TB) about respiratory precautions at home. Which statement by the patient indicates understanding?
- I can remove my mask when family visits if they stand 3 feet away.
- I can return to work after 48 hours of antibiotics.
- I only need to cover my mouth when coughing for the first week of treatment.
- I should wear a surgical mask in common areas and sleep in a well-ventilated separate room until non-infectious. (Correct answer)
Correct answer: I should wear a surgical mask in common areas and sleep in a well-ventilated separate room until non-infectious.
Active TB requires airborne precautions including wearing a mask in shared spaces and sleeping separately in a well-ventilated room until sputum cultures are negative on three consecutive tests.
Question 74: A nurse is caring for a patient after thoracentesis. Which assessment finding requires immediate intervention?
- Respiratory rate of 20 breaths per minute
- Blood pressure 128/76 mmHg
- Mild soreness at the puncture site
- SpO2 dropping from 96% to 88% with tracheal deviation (Correct answer)
Correct answer: SpO2 dropping from 96% to 88% with tracheal deviation
Tracheal deviation with decreasing SpO2 after thoracentesis suggests tension pneumothorax, a life-threatening complication requiring emergency needle decompression.
Question 75: Which sign/symptom is MOST specific to a pheochromocytoma?
- Episodic hypertension with headache, diaphoresis, and palpitations (Correct answer)
- Orthostatic hypotension with tachycardia
- Persistent hypertension unresponsive to medication
- Hypertension with bilateral leg edema
Correct answer: Episodic hypertension with headache, diaphoresis, and palpitations
Pheochromocytoma classically presents with paroxysmal episodes of hypertension, severe headache, diaphoresis, and palpitations due to catecholamine surges.
Question 76: A patient with esophageal varices undergoes endoscopic band ligation. In the immediate post-procedure period, the nurse should prioritize monitoring for:
- Aspiration pneumonia
- Spontaneous bacterial peritonitis
- Re-bleeding and hematemesis (Correct answer)
- Esophageal stricture formation
Correct answer: Re-bleeding and hematemesis
Re-bleeding is the most immediate life-threatening complication following esophageal variceal banding.
Question 77: A nurse is preparing a patient for a renal biopsy. Which post-procedure instruction is most critical?
- Restrict all fluid intake for 24 hours
- Monitor urine for hematuria and report persistent bleeding (Correct answer)
- Encourage vigorous ambulation within 1 hour
- Apply heat to the biopsy site to reduce discomfort
Correct answer: Monitor urine for hematuria and report persistent bleeding
Renal biopsy carries a risk of hemorrhage; monitoring urine for hematuria and reporting persistent or worsening bleeding is the priority post-procedure intervention.
Question 78: What is the role of informed consent in cardiac nursing?
- It is only needed for surgery
- It protects only the provider
- It ensures the patient understands and agrees to the plan (Correct answer)
- It is a mere formality
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 79: A patient with type 2 diabetes is ordered a fasting lipid panel. The nurse knows the patient's LDL target should be less than:
- 160 mg/dL
- 130 mg/dL
- 200 mg/dL
- 100 mg/dL (Correct answer)
Correct answer: 100 mg/dL
ADA guidelines recommend LDL <100 mg/dL for most patients with diabetes, or <70 mg/dL for those with cardiovascular disease.
Question 80: Which nursing action is essential before drawing blood from the arm with an AV fistula?
- Apply a tourniquet above the fistula to enhance venous access
- Avoid all venipuncture and blood pressure measurements in that arm (Correct answer)
- Draw blood slowly through the fistula needle
- Use the fistula as a preferred site for IV access
Correct answer: Avoid all venipuncture and blood pressure measurements in that arm
The arm with an AV fistula must be protected from venipuncture, BP cuffs, and IVs to preserve the access site and prevent damage or thrombosis.
Question 81: A patient with peptic ulcer disease is found to be H. pylori positive. The nurse anticipates which treatment regimen?
- Triple therapy: PPI plus clarithromycin plus amoxicillin for 14 days (Correct answer)
- H2 blocker plus bismuth subsalicylate for 7 days
- Proton pump inhibitor monotherapy for 8 weeks
- Antacids and dietary modification only
Correct answer: Triple therapy: PPI plus clarithromycin plus amoxicillin for 14 days
Standard H. pylori eradication uses triple therapy with a PPI, clarithromycin, and amoxicillin for 10–14 days.
Question 82: What is the most important factor in effective communication with patients regarding gastrointestinal nursing?
- Using clear, understandable language and confirming understanding (Correct answer)
- Providing written instructions only
- Speaking quickly to save time
- Using medical jargon to appear professional
Correct answer: Using clear, understandable language and confirming understanding
Clear communication in understandable language, with confirmation of understanding, improves patient compliance and outcomes.
Question 83: The nurse is preparing to administer regular insulin IV for a patient in DKA. Which action is MOST important before beginning the infusion?
- Ensure the patient has eaten a full meal
- Administer sodium bicarbonate to correct acidosis first
- Obtain a 12-lead ECG before starting any insulin
- Check serum potassium level and correct if below 3.5 mEq/L (Correct answer)
Correct answer: Check serum potassium level and correct if below 3.5 mEq/L
Insulin drives potassium intracellularly; if potassium is already low (<3.5 mEq/L), insulin administration can cause life-threatening hypokalemia.
Question 84: A patient with a C5 spinal cord injury is at greatest risk for which complication during the acute phase?
- Deep vein thrombosis
- Respiratory failure (Correct answer)
- Pressure ulcer formation
- Urinary tract infection
Correct answer: Respiratory failure
A C5 injury affects the phrenic nerve (C3-C5), significantly impairing diaphragm function and placing the patient at high risk for respiratory failure.
Question 85: A patient is receiving supplemental oxygen via nasal cannula. The nurse knows that each 1 L/min increase in flow rate raises the FiO2 by approximately:
- 1%
- 8%
- 2%
- 4% (Correct answer)
Correct answer: 4%
Each 1 L/min of oxygen via nasal cannula increases FiO2 by approximately 4% (room air ~21%; 1 L/min ≈ 25%, 2 L/min ≈ 29%, etc.).
Question 86: A patient with Alzheimer's disease becomes agitated and tries to climb out of bed at night. The BEST nursing intervention is to:
- Reorient the patient, reduce environmental stimuli, and ensure safety (Correct answer)
- Apply wrist restraints to prevent falls
- Administer a PRN benzodiazepine immediately
- Increase lighting in the room and turn on the television
Correct answer: Reorient the patient, reduce environmental stimuli, and ensure safety
Non-pharmacological interventions including reorientation, calm reassurance, and a safe low-stimulation environment are the first-line approach for sundowning.
Question 87: A patient with a new ileostomy reports watery output of 2,500 mL in 24 hours. The nurse's priority action is to:
- Administer a bulk-forming laxative
- Assess for signs of dehydration and electrolyte imbalance (Correct answer)
- Increase dietary fiber intake
- Apply a larger ostomy pouch
Correct answer: Assess for signs of dehydration and electrolyte imbalance
High ileostomy output >2,000 mL/day places the patient at risk for dehydration, hyponatremia, and hypokalemia.
Question 88: A patient taking isoniazid (INH) for tuberculosis prophylaxis should receive which supplement to prevent peripheral neuropathy?
- Pyridoxine (Vitamin B6) (Correct answer)
- Folic acid
- Vitamin C
- Vitamin B12
Correct answer: Pyridoxine (Vitamin B6)
Isoniazid interferes with pyridoxine (vitamin B6) metabolism, causing peripheral neuropathy that is prevented by concurrent B6 supplementation.
Question 89: A patient is prescribed total parenteral nutrition (TPN) via a central line. The nurse should monitor most closely for which metabolic complication during the first 24 hours?
- Refeeding syndrome with hypophosphatemia (Correct answer)
- Hypercalcemia
- Metabolic alkalosis
- Hyperkalemia
Correct answer: Refeeding syndrome with hypophosphatemia
Refeeding syndrome causes rapid intracellular shifts of phosphate, potassium, and magnesium when nutrition is restarted after starvation.
Question 90: A nurse caring for a patient on therapeutic hypothermia after cardiac arrest should monitor for which common complication?
- Coagulopathy and electrolyte imbalances (Correct answer)
- Pulmonary hypertension
- Hyperglycemia requiring insulin infusion
- Hyperthermia rebound
Correct answer: Coagulopathy and electrolyte imbalances
Therapeutic hypothermia commonly causes coagulopathy, hypokalemia, hypomagnesemia, and hypophosphatemia due to intracellular electrolyte shifts.
Question 91: A patient with Paget's disease of bone asks why their serum alkaline phosphatase is elevated. The best nursing response is:
- It reflects increased osteoblastic activity due to abnormal bone remodeling (Correct answer)
- It indicates liver damage from your medications
- It means you are developing bone cancer
- It shows your kidneys are not filtering waste properly
Correct answer: It reflects increased osteoblastic activity due to abnormal bone remodeling
In Paget's disease, markedly elevated alkaline phosphatase reflects excessive, disorganized osteoblastic bone remodeling activity.
Question 92: Which ICP waveform component, when elevated above the other components, indicates decreased intracranial compliance?
- A-wave (plateau wave)
- P3 (dicrotic wave)
- P2 (tidal wave) (Correct answer)
- P1 (percussion wave)
Correct answer: P2 (tidal wave)
When P2 exceeds P1, it indicates decreased intracranial compliance, meaning the brain has less ability to accommodate changes in volume.
Question 93: What documentation is MOST critical to maintain for safety compliance in the Medical-Surgical Nursing Certification Board field?
- Incident reports, training records, and inspection logs (Correct answer)
- Client marketing preferences
- Employee vacation schedules
- Annual revenue reports
Correct answer: Incident reports, training records, and inspection logs
Incident reports, training records, and inspection logs are essential safety documentation. They demonstrate compliance with safety regulations, track training completion, and provide evidence of systematic hazard management.
Question 94: Which ethical principle requires MSNCB professionals to act in the patient's best interest?
- Justice
- Autonomy
- Fidelity
- Beneficence (Correct answer)
Correct answer: Beneficence
Beneficence is the ethical principle that obligates healthcare professionals to act in ways that promote the well-being and best interests of the patient.
Question 95: A post-operative patient refuses to perform deep breathing exercises. Which is the nurse's best initial response?
- Administer prescribed pain medication and then reteach the technique (Correct answer)
- Explain that atelectasis and pneumonia are serious risks of not breathing deeply
- Apply a nasal cannula at 2 L/min as an alternative measure
- Document the refusal and notify the physician
Correct answer: Administer prescribed pain medication and then reteach the technique
Adequate pain control is the most common barrier to deep breathing post-operatively; managing pain first enables effective patient participation.
Question 96: Why is postoperative care essential for recovery?
- To eliminate the need for pain management
- To reduce the number of surgical procedures performed
- To monitor complications and support recovery after surgery (Correct answer)
- To accelerate the patient's discharge from the hospital
Correct answer: To monitor complications and support recovery after surgery
Postoperative care is a crucial phase that begins immediately after surgery and continues until the patient has fully recovered. It involves vigilant monitoring for potential complications like bleeding, infection, or respiratory issues, as well as providing pain management, wound care, and support for the patient's overall healing process. This comprehensive care is essential for a safe and successful recovery.
Question 97: A nurse is assessing a patient with suspected appendicitis. Which finding is described as Rovsing's sign?
- RLQ pain elicited by elevation of the right leg against resistance
- Increased RLQ pain with internal rotation of the right hip
- Pain in the RLQ when the left lower quadrant is palpated (Correct answer)
- Tenderness at McBurney's point on direct palpation
Correct answer: Pain in the RLQ when the left lower quadrant is palpated
Rovsing's sign is RLQ pain that occurs when pressure is applied to the left lower quadrant, suggesting peritoneal irritation.
Question 98: Why is smoking cessation a key component of disease prevention?
- To reduce the risk of cancer, respiratory, and cardiovascular diseases (Correct answer)
- To reduce the cost of medications
- To increase the number of smokers in the population
- To limit patient access to healthcare services
Correct answer: To reduce the risk of cancer, respiratory, and cardiovascular diseases
Smoking cessation is a key component of disease prevention because smoking is a leading cause of preventable illness and death. Quitting smoking dramatically reduces the risk of developing various cancers, respiratory diseases like COPD, and cardiovascular diseases such as heart attack and stroke. This intervention has immediate and long-term positive impacts on health.
Question 99: A patient with ankylosing spondylitis asks what activity best maintains spinal flexibility. The nurse's best response is:
- Sitting in a recliner to maintain lumbar curve
- Bed rest during flares only
- Swimming and prone-lying extension exercises (Correct answer)
- High-impact aerobics
Correct answer: Swimming and prone-lying extension exercises
Swimming and prone-lying extension exercises help maintain spinal flexibility and counteract the tendency toward kyphotic fusion in ankylosing spondylitis.
Question 100: What is the significance of administering medications at the correct times?
- It limits the need for patient monitoring
- It helps patients remember to take their medications daily
- It reduces the cost of medication management
- It ensures medication effectiveness and prevents adverse effects (Correct answer)
Correct answer: It ensures medication effectiveness and prevents adverse effects
Administering medications at the correct times is vital for maintaining therapeutic drug levels in the body. This adherence to prescribed schedules ensures the medication works as intended, prevents sub-therapeutic dosing, and minimizes the risk of toxicity or adverse events. Proper timing is a critical component of safe and effective medication administration.
Question 101: When teaching a patient about metformin therapy for type 2 diabetes, the nurse should instruct the patient to withhold the medication before:
- Iodinated contrast dye procedures (Correct answer)
- Blood glucose monitoring
- Routine physical therapy
- Ophthalmology appointments
Correct answer: Iodinated contrast dye procedures
Metformin should be held 48 hours before iodinated contrast procedures due to the risk of contrast-induced nephropathy leading to lactic acidosis.
Question 102: The nurse notes fat globules in the urine of a patient with a long bone fracture. This finding is associated with:
- Deep vein thrombosis
- Fat embolism syndrome (Correct answer)
- Pulmonary edema
- Rhabdomyolysis
Correct answer: Fat embolism syndrome
Lipuria (fat in urine) along with petechiae and neurological changes are classic signs of fat embolism syndrome after long bone fractures.
Question 103: Which electrolyte imbalance is MOST commonly associated with hyperaldosteronism (Conn's syndrome)?
- Hypomagnesemia and hyperchloremia
- Hypokalemia and hypernatremia (Correct answer)
- Hyperphosphatemia and hypocalcemia
- Hyperkalemia and hyponatremia
Correct answer: Hypokalemia and hypernatremia
Excess aldosterone promotes sodium retention and potassium excretion, resulting in hypokalemia and hypernatremia with resultant hypertension.
Question 104: Which finding during a neurological assessment would require the most URGENT intervention?
- Unequal pupils with one dilated and non-reactive (Correct answer)
- Mild hand tremors bilaterally
- Score of 14 on the Glasgow Coma Scale
- Deep tendon reflexes graded 2+ bilaterally
Correct answer: Unequal pupils with one dilated and non-reactive
A unilateral fixed dilated pupil suggests uncal herniation or cranial nerve III compression—a neurological emergency requiring immediate intervention.
Question 105: A patient's incentive spirometry goal is 1500 mL but they consistently achieve only 600 mL on postoperative day 1. The nurse's best intervention is to:
- Document and accept limited effort as normal postop
- Administer a bronchodilator and reassess
- Provide pain medication before sessions and coach proper technique (Correct answer)
- Discontinue incentive spirometry and use flutter valve instead
Correct answer: Provide pain medication before sessions and coach proper technique
Preemptive analgesia reduces splinting from incisional pain, the primary barrier to deep breathing, and coaching optimizes technique.
Question 106: A patient with SIADH would be expected to have which serum sodium level?
- 148 mEq/L
- 122 mEq/L (Correct answer)
- 135 mEq/L
- 140 mEq/L
Correct answer: 122 mEq/L
SIADH causes water retention without sodium retention, diluting serum sodium below 135 mEq/L, often significantly lower.
Question 107: A patient recovering from a partial gastrectomy develops diaphoresis, palpitations, and dizziness 20 minutes after eating. The nurse recognizes this as:
- Marginal ulcer formation
- Anastomotic leak
- Late dumping syndrome
- Early dumping syndrome (Correct answer)
Correct answer: Early dumping syndrome
Early dumping syndrome occurs within 15–30 minutes of eating due to rapid emptying of hyperosmolar chyme into the small intestine.
Question 108: What is the first priority in perioperative nursing for MSNCB practitioners?
- Meeting productivity targets
- Ensuring patient safety and well-being (Correct answer)
- Completing documentation
- Following insurance requirements
Correct answer: Ensuring patient safety and well-being
Patient safety and well-being must always be the first priority in clinical practice, taking precedence over administrative concerns.
Question 109: Which approach to neurological nursing is considered best practice in current MSNCB standards?
- One-size-fits-all protocols
- Evidence-based, individualized interventions (Correct answer)
- Traditional methods exclusively
- The least expensive option
Correct answer: Evidence-based, individualized interventions
Evidence-based, individualized interventions combine the best available research with patient-specific factors for optimal outcomes.
Question 110: Which laboratory value best reflects the adequacy of hemodialysis treatment?
- Serum albumin level
- Serum creatinine level
- Kt/V ratio (Correct answer)
- Urine specific gravity
Correct answer: Kt/V ratio
The Kt/V ratio (dialyzer clearance × time / urea volume of distribution) is the standard measure of hemodialysis adequacy; a target of ≥1.2 is recommended.
Question 111: A patient with AKI is receiving kayexalate (sodium polystyrene sulfonate) for hyperkalemia. Which adverse effect requires monitoring?
- Hypercalcemia
- Hypermagnesemia
- Intestinal necrosis (Correct answer)
- Respiratory depression
Correct answer: Intestinal necrosis
Sodium polystyrene sulfonate (Kayexalate) carries a risk of intestinal necrosis, particularly in post-operative patients or those with reduced gut motility.
Question 112: A patient with multiple sclerosis reports worsening of all symptoms when the room temperature is increased. This phenomenon is known as:
- Charcot's triad
- Uhthoff's phenomenon (Correct answer)
- Lhermitte's sign
- Babinski sign
Correct answer: Uhthoff's phenomenon
Uhthoff's phenomenon is the temporary worsening of MS symptoms with heat, due to impaired conduction through demyelinated axons.
Question 113: A patient is diagnosed with carpal tunnel syndrome. Which conservative treatment should the nurse reinforce first?
- Strengthening exercises for the wrist flexors
- Wrist splinting in neutral position, especially at night (Correct answer)
- Hot compresses applied continuously
- Surgical decompression
Correct answer: Wrist splinting in neutral position, especially at night
Wrist splinting in neutral position reduces median nerve compression and is first-line conservative management for carpal tunnel syndrome.
Question 114: A nurse is caring for a patient 6 hours post-total hip arthroplasty (THA). Which position is contraindicated?
- Hip flexion greater than 90 degrees (Correct answer)
- Supine with head of bed at 30 degrees
- Hip abduction with a pillow between legs
- Leg in neutral rotation
Correct answer: Hip flexion greater than 90 degrees
Hip flexion beyond 90 degrees risks prosthetic dislocation in the early postoperative period after posterior-approach THA.
Question 115: When applying electrosurgical unit (ESU) grounding pad to a patient, which site is most appropriate?
- On the patient's back regardless of the surgical site
- Over well-vascularized muscle mass close to the operative site (Correct answer)
- Over a site with a tattoo for better conductivity
- Over a bony prominence such as the hip
Correct answer: Over well-vascularized muscle mass close to the operative site
The ESU grounding pad should be placed on a well-vascularized, fleshy area close to the operative site to ensure even current distribution and prevent burns.
Question 116: A patient receiving phenytoin (Dilantin) for seizure control should be monitored for which serious adverse effect?
- Cardiac dysrhythmias during rapid IV infusion (Correct answer)
- Pulmonary fibrosis
- Nephrotoxicity
- Hepatic encephalopathy
Correct answer: Cardiac dysrhythmias during rapid IV infusion
Rapid IV infusion of phenytoin can cause severe hypotension and cardiac dysrhythmias; it must be administered no faster than 50 mg/min.
Question 117: What is the BEST way for a Medical-Surgical Nursing Certification Board professional to stay current with regulatory changes?
- Check regulations only during certification renewal
- Actively monitor regulatory bodies, attend continuing education, and participate in professional associations (Correct answer)
- Depend on colleagues to share updates informally
- Rely solely on employer notifications
Correct answer: Actively monitor regulatory bodies, attend continuing education, and participate in professional associations
Staying current requires a multi-faceted approach: monitoring regulatory agencies directly, attending relevant continuing education programs, and participating in professional associations that disseminate regulatory updates.
Question 118: A patient with end-stage liver disease is scheduled for a transjugular intrahepatic portosystemic shunt (TIPS) procedure. The primary goal of this intervention is to:
- Reduce portal hypertension to control variceal bleeding and refractory ascites (Correct answer)
- Reverse hepatic encephalopathy
- Improve hepatic synthetic function
- Eliminate the need for liver transplantation
Correct answer: Reduce portal hypertension to control variceal bleeding and refractory ascites
TIPS creates a shunt between the portal and hepatic veins to decompress the portal system and reduce portal hypertension.
Question 119: In Medical-Surgical Nursing Certification Board, what is the PRIMARY purpose of conducting an initial assessment?
- To generate documentation for billing purposes
- To establish a baseline and identify needs for appropriate action (Correct answer)
- To demonstrate the assessor's expertise
- To fulfill administrative paperwork requirements
Correct answer: To establish a baseline and identify needs for appropriate action
The initial assessment establishes a baseline of current conditions and identifies specific needs. This foundational information guides all subsequent decisions, planning, and interventions.
Question 120: A patient with acute kidney injury (AKI) has a urine output of 25 mL/hour for the past 3 hours. How should the nurse classify this finding?
- Normal urine output
- Polyuria suggesting recovery phase
- Oliguria requiring evaluation (Correct answer)
- Anuria requiring urgent intervention
Correct answer: Oliguria requiring evaluation
Oliguria is defined as urine output <0.5 mL/kg/hr or <30 mL/hr in adults, warranting prompt clinical evaluation.
Question 121: A patient with polycystic kidney disease (PKD) reports severe flank pain and hematuria. Which complication should the nurse suspect first?
- Acute tubular necrosis
- Nephrolithiasis
- Urinary tract infection
- Cyst hemorrhage or rupture (Correct answer)
Correct answer: Cyst hemorrhage or rupture
Cyst hemorrhage or rupture is a common complication of PKD that presents with acute flank pain and gross hematuria.
Question 122: Which medication class must be used cautiously in patients with CKD stage 3 or higher due to risk of lactic acidosis?
- ACE inhibitors
- Calcium channel blockers
- Metformin (Correct answer)
- Beta-blockers
Correct answer: Metformin
Metformin is contraindicated or requires dose adjustment in CKD stage 3b and above because impaired renal clearance allows accumulation, increasing lactic acidosis risk.
Question 123: A patient returns from abdominal surgery with a Jackson-Pratt drain. The nurse notes 150 mL of bright red drainage in the first hour. What is the priority action?
- Notify the surgeon immediately (Correct answer)
- Document as expected output
- Reinforce the surgical dressing
- Increase IV fluid rate
Correct answer: Notify the surgeon immediately
Bright red drainage exceeding 100 mL/hr from a JP drain suggests active hemorrhage and requires immediate surgical notification.
Question 124: A patient refuses a blood transfusion for religious reasons but consents to the scheduled surgery. How should the perioperative nurse respond?
- Obtain consent from the patient's next of kin to override the refusal
- Document the refusal, notify the team, and respect the patient's decision (Correct answer)
- Administer blood only if the patient becomes hemodynamically unstable
- Contact hospital administration to seek a court order
Correct answer: Document the refusal, notify the team, and respect the patient's decision
Competent adult patients have the right to refuse treatment, including blood transfusions; this decision must be respected and clearly documented.
Question 125: Which assessment finding would most concern the perioperative nurse during a patient's preoperative evaluation?
- Blood pressure 128/82 mmHg
- Serum potassium of 2.9 mEq/L (Correct answer)
- Heart rate of 78 beats per minute
- Temperature of 37.1°C
Correct answer: Serum potassium of 2.9 mEq/L
Hypokalemia (K+ < 3.5 mEq/L) increases the risk of intraoperative dysrhythmias and should be corrected before elective surgery.
Question 126: Which finding in a patient with a cervical spinal cord injury indicates the development of neurogenic shock?
- Hypotension and bradycardia (Correct answer)
- Hypotension and tachycardia
- Hypertension and tachycardia
- Hypertension and bradycardia
Correct answer: Hypotension and bradycardia
Neurogenic shock results from disrupted sympathetic pathways, causing hypotension and paradoxical bradycardia without compensatory tachycardia.
Question 127: During wound irrigation of a dehisced surgical wound, which action by the nurse is incorrect?
- Using a 35 mL syringe with an 18-gauge angiocatheter for irrigation
- Directing irrigation solution from the cleanest to the most contaminated area
- Packing wet-to-dry gauze tightly to absorb all moisture (Correct answer)
- Documenting wound bed characteristics and drainage before packing
Correct answer: Packing wet-to-dry gauze tightly to absorb all moisture
Tight packing causes trauma to granulating tissue; moist wound healing requires loosely placed dressings that maintain a moist environment.
Question 128: A nurse notes that a patient's PD dwell time has been extended inadvertently. Which complication should the nurse anticipate?
- Respiratory alkalosis from bicarbonate diffusion
- Hypokalemia from excessive potassium removal
- Hyperglycemia from prolonged glucose absorption (Correct answer)
- Hypertension from sodium depletion
Correct answer: Hyperglycemia from prolonged glucose absorption
Prolonged dwell time increases glucose absorption from the hypertonic dialysate, leading to hyperglycemia, especially in diabetic patients.
Question 129: A patient with chronic heart failure is started on spironolactone. The nurse monitors most closely for:
- Hyperkalemia, especially if also taking an ACE inhibitor (Correct answer)
- Hypokalemia and metabolic alkalosis
- Hypocalcemia and muscle cramping
- Hyponatremia and fluid retention
Correct answer: Hyperkalemia, especially if also taking an ACE inhibitor
Spironolactone is a potassium-sparing diuretic; when combined with ACE inhibitors (which also retain potassium), dangerous hyperkalemia can develop.
Question 130: Which medication is used to reduce cerebral edema in patients with brain tumors?
- Hypertonic saline bolus
- Dexamethasone (Correct answer)
- Furosemide
- Mannitol infusion
Correct answer: Dexamethasone
Dexamethasone (a corticosteroid) is the first-line treatment for vasogenic cerebral edema surrounding brain tumors.
Question 131: What is the first priority in endocrine nursing for MSNCB practitioners?
- Completing documentation
- Ensuring patient safety and well-being (Correct answer)
- Following insurance requirements
- Meeting productivity targets
Correct answer: Ensuring patient safety and well-being
Patient safety and well-being must always be the first priority in clinical practice, taking precedence over administrative concerns.
Question 132: A patient's HbA1c is reported as 9.2%. Which average blood glucose level does this BEST correspond to?
- Approximately 212 mg/dL (Correct answer)
- Approximately 154 mg/dL
- Approximately 126 mg/dL
- Approximately 180 mg/dL
Correct answer: Approximately 212 mg/dL
An HbA1c of 9.2% corresponds to an estimated average glucose (eAG) of approximately 212 mg/dL over the prior 2-3 months.
Question 133: A patient with hepatitis B asks the nurse how the infection is most commonly transmitted. The correct response is:
- Airborne droplets from coughing or sneezing
- Contact with infected blood, sexual contact, and perinatal transmission (Correct answer)
- Fecal-oral route via contaminated food or water
- Insect vectors such as mosquitoes
Correct answer: Contact with infected blood, sexual contact, and perinatal transmission
Hepatitis B is a bloodborne pathogen transmitted through blood, sexual contact, and from mother to infant at birth.
Question 134: What is the first priority in cardiac nursing for MSNCB practitioners?
- Following insurance requirements
- Completing documentation
- Meeting productivity targets
- Ensuring patient safety and well-being (Correct answer)
Correct answer: Ensuring patient safety and well-being
Patient safety and well-being must always be the first priority in clinical practice, taking precedence over administrative concerns.
Question 135: What is the role of informed consent in perioperative nursing?
- It protects only the provider
- It is only needed for surgery
- It is a mere formality
- It ensures the patient understands and agrees to the plan (Correct answer)
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 136: Which nursing intervention is most effective in preventing deep vein thrombosis (DVT) after hip replacement surgery?
- Early ambulation and sequential compression devices with prescribed anticoagulation (Correct answer)
- Massaging the calf muscles every 4 hours
- Applying ice packs to the operative leg for 20 minutes every hour
- Keeping the patient on strict bed rest for 48 hours postoperatively
Correct answer: Early ambulation and sequential compression devices with prescribed anticoagulation
Combined mechanical prophylaxis (SCDs, early ambulation) and pharmacologic anticoagulation is the most effective DVT prevention strategy post-arthroplasty.
Question 137: A patient post-thyroidectomy develops perioral tingling and a positive Chvostek's sign. The nurse should anticipate administering:
- Potassium chloride IV
- Sodium bicarbonate IV
- Magnesium sulfate IV
- Calcium gluconate IV (Correct answer)
Correct answer: Calcium gluconate IV
Positive Chvostek's sign with perioral tingling indicates hypocalcemia, a common complication after thyroidectomy due to inadvertent parathyroid removal.
Question 138: What is the role of informed consent in gastrointestinal nursing?
- It ensures the patient understands and agrees to the plan (Correct answer)
- It is a mere formality
- It is only needed for surgery
- It protects only the provider
Correct answer: It ensures the patient understands and agrees to the plan
Informed consent ensures patients understand the proposed interventions, alternatives, risks, and benefits before agreeing to proceed.
Question 139: Which serum marker is the most sensitive early indicator of anastomotic leak following colorectal surgery?
- C-reactive protein (CRP) on postoperative day 3-5 (Correct answer)
- Serum albumin
- Serum amylase
- Prothrombin time (PT/INR)
Correct answer: C-reactive protein (CRP) on postoperative day 3-5
Elevated CRP on postoperative days 3-5 is the most sensitive laboratory marker for detecting anastomotic leak before clinical signs appear.
Question 140: Which approach to gastrointestinal nursing is considered best practice in current MSNCB standards?
- Evidence-based, individualized interventions (Correct answer)
- One-size-fits-all protocols
- Traditional methods exclusively
- The least expensive option
Correct answer: Evidence-based, individualized interventions
Evidence-based, individualized interventions combine the best available research with patient-specific factors for optimal outcomes.
Question 141: Which intervention is the PRIORITY for a patient in thyroid storm (thyrotoxic crisis)?
- Prepare patient for immediate thyroidectomy
- Apply warming blankets to treat hypothermia
- Administer propylthiouracil (PTU) and propranolol (Correct answer)
- Administer radioactive iodine therapy
Correct answer: Administer propylthiouracil (PTU) and propranolol
Thyroid storm treatment prioritizes blocking new thyroid hormone synthesis with PTU and controlling sympathetic symptoms with propranolol.
Question 142: When administering nimodipine to a patient with subarachnoid hemorrhage, the primary purpose is to:
- Control seizure activity
- Prevent cerebral vasospasm (Correct answer)
- Dissolve the blood clot in the subarachnoid space
- Reduce intracranial pressure
Correct answer: Prevent cerebral vasospasm
Nimodipine, a calcium channel blocker, is given after subarachnoid hemorrhage specifically to prevent cerebral vasospasm and reduce neurological deficits.
Question 143: What role does critical thinking play in clinical decision-making?
- It focuses on quick decision-making without data analysis
- It helps nurses evaluate data, consider alternatives, and make informed decisions (Correct answer)
- It limits the scope of patient care
- It ignores patient preferences in favor of clinical protocols
Correct answer: It helps nurses evaluate data, consider alternatives, and make informed decisions
Critical thinking is an essential cognitive process in nursing that enables professionals to analyze information objectively, identify underlying assumptions, and evaluate different perspectives. This skill allows nurses to interpret complex patient data, anticipate potential problems, and make sound, well-reasoned clinical judgments. It is fundamental for making informed and effective decisions in dynamic healthcare environments.
Question 144: During a nursing assessment, a patient reports that their pain 'spreads to the left jaw and left arm.' The patient's chief complaint is indigestion. Which action is the HIGHEST priority?
- Document findings and continue the routine assessment
- Administer an antacid and reassess in 30 minutes
- Assess for Helicobacter pylori risk factors
- Obtain a 12-lead ECG and notify the physician immediately (Correct answer)
Correct answer: Obtain a 12-lead ECG and notify the physician immediately
Radiating pain to the jaw and left arm with epigastric discomfort are classic signs of myocardial infarction requiring urgent cardiac evaluation.
Question 145: The scrub nurse passes an instrument to the surgeon during an open abdominal procedure. What technique should be used?
- Pass it tip-first to allow the surgeon to immediately use it
- Hand it directly handle-first so the surgeon can grasp it safely (Correct answer)
- Place the instrument on the sterile field for the surgeon to pick up
- Toss it gently to avoid breaking sterile field
Correct answer: Hand it directly handle-first so the surgeon can grasp it safely
Instruments are passed handle-first so the surgeon can grasp them safely without risk of injury from sharp tips.
Question 146: Which clinical manifestation differentiates osteomyelitis from a simple soft tissue infection?
- Persistent bone pain with point tenderness and elevated ESR/CRP (Correct answer)
- Low-grade fever
- Localized redness and warmth
- Mild leukocytosis
Correct answer: Persistent bone pain with point tenderness and elevated ESR/CRP
Osteomyelitis typically presents with bone point tenderness, marked elevation of inflammatory markers (ESR, CRP), and often a positive bone scan.
Question 147: What is the most important factor in effective communication with patients regarding renal nursing?
- Using medical jargon to appear professional
- Providing written instructions only
- Speaking quickly to save time
- Using clear, understandable language and confirming understanding (Correct answer)
Correct answer: Using clear, understandable language and confirming understanding
Clear communication in understandable language, with confirmation of understanding, improves patient compliance and outcomes.
Question 148: Which laboratory finding is most consistent with a diagnosis of acute pancreatitis?
- Decreased serum albumin
- Serum lipase >3× upper limit of normal (Correct answer)
- Elevated direct bilirubin
- Elevated serum alkaline phosphatase
Correct answer: Serum lipase >3× upper limit of normal
Serum lipase elevated more than three times the upper limit of normal is the most sensitive and specific marker for acute pancreatitis.
Question 149: Which assessment method provides the MOST reliable data for MSNCB professionals making critical decisions?
- Social media reviews and testimonials
- Standardized tools combined with professional observation (Correct answer)
- Informal verbal feedback alone
- Single-source data from one stakeholder
Correct answer: Standardized tools combined with professional observation
Combining standardized assessment tools with professional observation provides the most reliable and comprehensive data. Standardized tools ensure consistency and validity, while professional observation captures nuances that tools might miss.
Question 150: What is the first priority in neurological nursing for MSNCB practitioners?
- Completing documentation
- Ensuring patient safety and well-being (Correct answer)
- Following insurance requirements
- Meeting productivity targets
Correct answer: Ensuring patient safety and well-being
Patient safety and well-being must always be the first priority in clinical practice, taking precedence over administrative concerns.
Question 151: While assessing a patient post-thyroidectomy, the nurse notes carpopedal spasm when inflating the blood pressure cuff. This finding is known as:
- Kernig's sign, indicating meningeal irritation
- Homans' sign, indicating thrombosis
- Trousseau's sign, indicating hypocalcemia (Correct answer)
- Chvostek's sign, indicating hypocalcemia
Correct answer: Trousseau's sign, indicating hypocalcemia
Trousseau's sign is carpal spasm elicited by inflating a BP cuff above systolic pressure for 3 minutes, indicating hypocalcemia from parathyroid injury.
CMSRN® Certification Exam (Certified Medical-Surgical Registered Nurse)
The CMSRN® certification validates the clinical knowledge and expertise of registered nurses working in medical-surgical settings.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds