NCLEX-RN Practice
Exam Questions And
Correct Answers
(Verified Answers)
Plus Rationales
2025/2026 Q&A |
Instant Download Pdf
1. A patient with heart failure is prescribed furosemide.
Which finding requires immediate intervention?
A. Potassium 3.1 mEq/L
B. Blood pressure 110/70 mmHg
C. Urine output 40 mL/hr
D. Weight loss of 0.5 kg/day
,Answer: A. Potassium 3.1 mEq/L
Rationale: Loop diuretics like furosemide cause potassium
loss; hypokalemia can lead to life-threatening dysrhythmias.
2. Which action is the priority when a patient develops
anaphylaxis after receiving penicillin?
A. Obtain blood cultures
B. Administer epinephrine
C. Start IV antibiotics
D. Give antihistamines orally
Answer: B. Administer epinephrine
Rationale: Epinephrine is the first-line treatment for
anaphylaxis to reverse airway constriction and hypotension.
3. A nurse is caring for a postoperative patient. Which
finding suggests a pulmonary embolism?
A. Bradypnea and bradycardia
B. Sudden chest pain and dyspnea
C. Productive cough with yellow sputum
D. Bilateral crackles in lungs
Answer: B. Sudden chest pain and dyspnea
Rationale: PE typically presents with sudden chest pain,
shortness of breath, and tachycardia.
4. Which lab value indicates effective treatment for diabetic
ketoacidosis?
,A. Blood glucose 300 mg/dL
B. Serum pH 7.30
C. Bicarbonate 12 mEq/L
D. Ketones large in urine
Answer: B. Serum pH 7.30
Rationale: Normalizing pH toward 7.35–7.45 indicates
improvement in acidosis.
5. A patient receiving warfarin has an INR of 5.5. What is the
priority action?
A. Administer vitamin K
B. Increase warfarin dose
C. Encourage leafy greens
D. Hold IV fluids
Answer: A. Administer vitamin K
Rationale: Vitamin K reverses excessive anticoagulation and
reduces bleeding risk.
6. Which patient is at highest risk for pressure injury?
A. Ambulatory diabetic patient
B. Confused patient on bed rest
C. Postoperative patient walking daily
D. Patient with controlled hypertension
Answer: B. Confused patient on bed rest
Rationale: Immobility and impaired cognition increase risk
for pressure injuries.
, 7. A nurse is teaching about insulin administration. Which
instruction is correct?
A. Inject into muscle for faster absorption
B. Shake insulin vigorously before use
C. Rotate injection sites
D. Store insulin in the freezer
Answer: C. Rotate injection sites
Rationale: Site rotation prevents lipodystrophy and
improves absorption consistency.
8. Which symptom indicates opioid overdose?
A. Hypertension
B. Pinpoint pupils
C. Hyperactivity
D. Dilated pupils
Answer: B. Pinpoint pupils
Rationale: Opioids cause CNS depression and miosis
(pinpoint pupils).
9. A patient has chest tube drainage of 200 mL/hr. What
should the nurse do?
A. Clamp the tube
B. Notify the provider
C. Milk the tubing
D. Lower suction pressure
Exam Questions And
Correct Answers
(Verified Answers)
Plus Rationales
2025/2026 Q&A |
Instant Download Pdf
1. A patient with heart failure is prescribed furosemide.
Which finding requires immediate intervention?
A. Potassium 3.1 mEq/L
B. Blood pressure 110/70 mmHg
C. Urine output 40 mL/hr
D. Weight loss of 0.5 kg/day
,Answer: A. Potassium 3.1 mEq/L
Rationale: Loop diuretics like furosemide cause potassium
loss; hypokalemia can lead to life-threatening dysrhythmias.
2. Which action is the priority when a patient develops
anaphylaxis after receiving penicillin?
A. Obtain blood cultures
B. Administer epinephrine
C. Start IV antibiotics
D. Give antihistamines orally
Answer: B. Administer epinephrine
Rationale: Epinephrine is the first-line treatment for
anaphylaxis to reverse airway constriction and hypotension.
3. A nurse is caring for a postoperative patient. Which
finding suggests a pulmonary embolism?
A. Bradypnea and bradycardia
B. Sudden chest pain and dyspnea
C. Productive cough with yellow sputum
D. Bilateral crackles in lungs
Answer: B. Sudden chest pain and dyspnea
Rationale: PE typically presents with sudden chest pain,
shortness of breath, and tachycardia.
4. Which lab value indicates effective treatment for diabetic
ketoacidosis?
,A. Blood glucose 300 mg/dL
B. Serum pH 7.30
C. Bicarbonate 12 mEq/L
D. Ketones large in urine
Answer: B. Serum pH 7.30
Rationale: Normalizing pH toward 7.35–7.45 indicates
improvement in acidosis.
5. A patient receiving warfarin has an INR of 5.5. What is the
priority action?
A. Administer vitamin K
B. Increase warfarin dose
C. Encourage leafy greens
D. Hold IV fluids
Answer: A. Administer vitamin K
Rationale: Vitamin K reverses excessive anticoagulation and
reduces bleeding risk.
6. Which patient is at highest risk for pressure injury?
A. Ambulatory diabetic patient
B. Confused patient on bed rest
C. Postoperative patient walking daily
D. Patient with controlled hypertension
Answer: B. Confused patient on bed rest
Rationale: Immobility and impaired cognition increase risk
for pressure injuries.
, 7. A nurse is teaching about insulin administration. Which
instruction is correct?
A. Inject into muscle for faster absorption
B. Shake insulin vigorously before use
C. Rotate injection sites
D. Store insulin in the freezer
Answer: C. Rotate injection sites
Rationale: Site rotation prevents lipodystrophy and
improves absorption consistency.
8. Which symptom indicates opioid overdose?
A. Hypertension
B. Pinpoint pupils
C. Hyperactivity
D. Dilated pupils
Answer: B. Pinpoint pupils
Rationale: Opioids cause CNS depression and miosis
(pinpoint pupils).
9. A patient has chest tube drainage of 200 mL/hr. What
should the nurse do?
A. Clamp the tube
B. Notify the provider
C. Milk the tubing
D. Lower suction pressure
