NCLEX Qbank Practice
TEST BANK 2025-2026
WITH QUESTIONS AND
CORRECT ANSWERS
100%
1. A client with heart failure is prescribed furosemide. Which lab value
should the nurse monitor most closely?
A. Sodium
B. Potassium
C. Calcium
D. Glucose
Answer: B. Potassium
Rationale: Furosemide is a loop diuretic that causes potassium loss,
increasing risk for hypokalemia and dysrhythmias.
,2. A nurse is caring for a client with tuberculosis. What type of
isolation is required?
A. Contact
B. Droplet
C. Airborne
D. Protective
Answer: C. Airborne
Rationale: TB spreads via airborne droplets; N95 respirators and
negative pressure rooms are required.
3. Which finding is most concerning in a client receiving morphine?
A. Constipation
B. Respiratory rate 8/min
C. Drowsiness
D. Itching
Answer: B. Respiratory rate 8/min
Rationale: Opioids cause respiratory depression, which is life-
threatening.
4. A client with diabetes has a blood glucose of 60 mg/dL. What is the
priority action?
A. Give insulin
B. Provide 15g fast-acting carbohydrate
C. Recheck in 1 hour
D. Administer long-acting glucose
,Answer: B. Provide 15g fast-acting carbohydrate
Rationale: This is immediate treatment for hypoglycemia.
5. Which position is best for a client experiencing respiratory distress?
A. Supine
B. Trendelenburg
C. High Fowler’s
D. Prone
Answer: C. High Fowler’s
Rationale: This position improves lung expansion and oxygenation.
6. A postoperative client suddenly develops chest pain and dyspnea.
What is the priority action?
A. Encourage coughing
B. Apply oxygen
C. Check temperature
D. Administer pain medication
Answer: B. Apply oxygen
Rationale: Suspected pulmonary embolism requires immediate
oxygenation.
7. Which electrolyte imbalance is expected in Addison’s disease?
A. Hypernatremia
B. Hypokalemia
, C. Hyperkalemia
D. Hypercalcemia
Answer: C. Hyperkalemia
Rationale: Aldosterone deficiency causes potassium retention.
8. A nurse is teaching about warfarin therapy. Which food should be
limited?
A. Bananas
B. Spinach
C. Chicken
D. Rice
Answer: B. Spinach
Rationale: Leafy greens are high in vitamin K, which reduces warfarin
effectiveness.
9. What is the priority nursing action for a client experiencing
anaphylaxis?
A. Give antihistamine
B. Administer epinephrine
C. Start IV fluids
D. Obtain vitals
Answer: B. Administer epinephrine
Rationale: Epinephrine is the first-line treatment for anaphylaxis.
TEST BANK 2025-2026
WITH QUESTIONS AND
CORRECT ANSWERS
100%
1. A client with heart failure is prescribed furosemide. Which lab value
should the nurse monitor most closely?
A. Sodium
B. Potassium
C. Calcium
D. Glucose
Answer: B. Potassium
Rationale: Furosemide is a loop diuretic that causes potassium loss,
increasing risk for hypokalemia and dysrhythmias.
,2. A nurse is caring for a client with tuberculosis. What type of
isolation is required?
A. Contact
B. Droplet
C. Airborne
D. Protective
Answer: C. Airborne
Rationale: TB spreads via airborne droplets; N95 respirators and
negative pressure rooms are required.
3. Which finding is most concerning in a client receiving morphine?
A. Constipation
B. Respiratory rate 8/min
C. Drowsiness
D. Itching
Answer: B. Respiratory rate 8/min
Rationale: Opioids cause respiratory depression, which is life-
threatening.
4. A client with diabetes has a blood glucose of 60 mg/dL. What is the
priority action?
A. Give insulin
B. Provide 15g fast-acting carbohydrate
C. Recheck in 1 hour
D. Administer long-acting glucose
,Answer: B. Provide 15g fast-acting carbohydrate
Rationale: This is immediate treatment for hypoglycemia.
5. Which position is best for a client experiencing respiratory distress?
A. Supine
B. Trendelenburg
C. High Fowler’s
D. Prone
Answer: C. High Fowler’s
Rationale: This position improves lung expansion and oxygenation.
6. A postoperative client suddenly develops chest pain and dyspnea.
What is the priority action?
A. Encourage coughing
B. Apply oxygen
C. Check temperature
D. Administer pain medication
Answer: B. Apply oxygen
Rationale: Suspected pulmonary embolism requires immediate
oxygenation.
7. Which electrolyte imbalance is expected in Addison’s disease?
A. Hypernatremia
B. Hypokalemia
, C. Hyperkalemia
D. Hypercalcemia
Answer: C. Hyperkalemia
Rationale: Aldosterone deficiency causes potassium retention.
8. A nurse is teaching about warfarin therapy. Which food should be
limited?
A. Bananas
B. Spinach
C. Chicken
D. Rice
Answer: B. Spinach
Rationale: Leafy greens are high in vitamin K, which reduces warfarin
effectiveness.
9. What is the priority nursing action for a client experiencing
anaphylaxis?
A. Give antihistamine
B. Administer epinephrine
C. Start IV fluids
D. Obtain vitals
Answer: B. Administer epinephrine
Rationale: Epinephrine is the first-line treatment for anaphylaxis.
