Missouri Practical Nursing Licensure
Exam (Nclex-Pn) Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. A client with COPD is prescribed oxygen therapy. Which oxygen
delivery method is most appropriate for long-term use at home?
A. Non-rebreather mask
B. Simple face mask
C. Nasal cannula
D. Venturi mask
Correct Answer: C. Nasal cannula
Rationale: A nasal cannula is best for long-term, low-flow oxygen
delivery and allows eating, talking, and mobility.
2. A nurse is caring for a client with hypoglycemia. Which is the priority
intervention?
A. Give 15g of fast-acting carbohydrate
, B. Administer insulin
C. Encourage fluids only
D. Check urine glucose
Correct Answer: A. Give 15g of fast-acting carbohydrate
Rationale: Immediate glucose replacement is required to prevent
neurological damage.
3. Which action is the most important when preventing infection in a
hospital setting?
A. Wearing gloves at all times
B. Hand hygiene before and after patient contact
C. Using antibiotics prophylactically
D. Sterilizing all equipment daily
Correct Answer: B. Hand hygiene before and after patient contact
Rationale: Hand hygiene is the single most effective method to
prevent infection transmission.
4. A client is prescribed morphine. What is the priority assessment?
A. Pain level
B. Respiratory rate
C. Blood pressure
D. Bowel sounds
Correct Answer: B. Respiratory rate
Rationale: Opioids can cause respiratory depression; RR is the
priority.
,5. Which symptom is most indicative of fluid overload?
A. Dry mucous membranes
B. Bradycardia
C. Crackles in lungs
D. Hypotension
Correct Answer: C. Crackles in lungs
Rationale: Crackles indicate pulmonary edema from fluid excess.
6. A client with diabetes has a blood glucose of 50 mg/dL. What should
the nurse do first?
A. Administer insulin
B. Give orange juice
C. Recheck in 2 hours
D. Restrict fluids
Correct Answer: B. Give orange juice
Rationale: Fast-acting carbohydrates are required immediately.
7. What is the correct position for a client experiencing dyspnea?
A. Supine
B. Trendelenburg
C. High Fowler’s
D. Prone
Correct Answer: C. High Fowler’s
Rationale: Upright positioning improves lung expansion and
oxygenation.
, 8. Which lab value indicates infection?
A. WBC 5,000/mm³
B. WBC 12,000/mm³
C. Hemoglobin 14 g/dL
D. Platelets 250,000/mm³
Correct Answer: B. WBC 12,000/mm³
Rationale: Elevated WBC indicates possible infection.
9. A nurse is teaching a client about aspirin therapy. What should be
included?
A. Take on an empty stomach
B. Avoid alcohol use
C. Increase sodium intake
D. Take with vitamin K
Correct Answer: B. Avoid alcohol use
Rationale: Alcohol increases risk of GI bleeding with aspirin.
10. Which is a sign of dehydration in an elderly client?
A. Moist mucous membranes
B. Decreased skin turgor
C. Bradycardia
D. Weight gain
Correct Answer: B. Decreased skin turgor
Rationale: Loss of fluid reduces skin elasticity.
Exam (Nclex-Pn) Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. A client with COPD is prescribed oxygen therapy. Which oxygen
delivery method is most appropriate for long-term use at home?
A. Non-rebreather mask
B. Simple face mask
C. Nasal cannula
D. Venturi mask
Correct Answer: C. Nasal cannula
Rationale: A nasal cannula is best for long-term, low-flow oxygen
delivery and allows eating, talking, and mobility.
2. A nurse is caring for a client with hypoglycemia. Which is the priority
intervention?
A. Give 15g of fast-acting carbohydrate
, B. Administer insulin
C. Encourage fluids only
D. Check urine glucose
Correct Answer: A. Give 15g of fast-acting carbohydrate
Rationale: Immediate glucose replacement is required to prevent
neurological damage.
3. Which action is the most important when preventing infection in a
hospital setting?
A. Wearing gloves at all times
B. Hand hygiene before and after patient contact
C. Using antibiotics prophylactically
D. Sterilizing all equipment daily
Correct Answer: B. Hand hygiene before and after patient contact
Rationale: Hand hygiene is the single most effective method to
prevent infection transmission.
4. A client is prescribed morphine. What is the priority assessment?
A. Pain level
B. Respiratory rate
C. Blood pressure
D. Bowel sounds
Correct Answer: B. Respiratory rate
Rationale: Opioids can cause respiratory depression; RR is the
priority.
,5. Which symptom is most indicative of fluid overload?
A. Dry mucous membranes
B. Bradycardia
C. Crackles in lungs
D. Hypotension
Correct Answer: C. Crackles in lungs
Rationale: Crackles indicate pulmonary edema from fluid excess.
6. A client with diabetes has a blood glucose of 50 mg/dL. What should
the nurse do first?
A. Administer insulin
B. Give orange juice
C. Recheck in 2 hours
D. Restrict fluids
Correct Answer: B. Give orange juice
Rationale: Fast-acting carbohydrates are required immediately.
7. What is the correct position for a client experiencing dyspnea?
A. Supine
B. Trendelenburg
C. High Fowler’s
D. Prone
Correct Answer: C. High Fowler’s
Rationale: Upright positioning improves lung expansion and
oxygenation.
, 8. Which lab value indicates infection?
A. WBC 5,000/mm³
B. WBC 12,000/mm³
C. Hemoglobin 14 g/dL
D. Platelets 250,000/mm³
Correct Answer: B. WBC 12,000/mm³
Rationale: Elevated WBC indicates possible infection.
9. A nurse is teaching a client about aspirin therapy. What should be
included?
A. Take on an empty stomach
B. Avoid alcohol use
C. Increase sodium intake
D. Take with vitamin K
Correct Answer: B. Avoid alcohol use
Rationale: Alcohol increases risk of GI bleeding with aspirin.
10. Which is a sign of dehydration in an elderly client?
A. Moist mucous membranes
B. Decreased skin turgor
C. Bradycardia
D. Weight gain
Correct Answer: B. Decreased skin turgor
Rationale: Loss of fluid reduces skin elasticity.
