NCLEX-RN Practice Question Test Bank Exam
Verified Questions, Correct Answers, and
Detailed Explanations for Students||Already
Graded A+
1. A nurse is assessing a client with left-sided heart failure. Which finding
should the nurse expect?
A. Peripheral edema
B. Jugular vein distention
C. Crackles in the lungs
D. Ascites
Answer: C. Crackles in the lungs
Rationale: Left-sided heart failure causes pulmonary congestion, leading to
crackles and dyspnea.
2. A client with diabetes mellitus has a blood glucose of 52 mg/dL. What is
the nurse’s priority action?
A. Administer insulin
B. Give 15 g of fast-acting carbohydrate
C. Start IV normal saline
D. Notify the provider
Answer: B. Give 15 g of fast-acting carbohydrate
Rationale: Hypoglycemia requires immediate treatment with fast-acting
carbohydrates.
3. Which electrolyte imbalance is associated with peaked T waves on ECG?
A. Hypokalemia
B. Hyperkalemia
C. Hyponatremia
D. Hypercalcemia
Answer: B. Hyperkalemia
Rationale: Elevated potassium levels cause characteristic peaked T waves.
,4. A client is prescribed warfarin. Which laboratory value should the nurse
monitor?
A. aPTT
B. Platelet count
C. INR
D. Hemoglobin
Answer: C. INR
Rationale: INR monitors the effectiveness and safety of warfarin therapy.
5. A postoperative client reports calf pain and swelling. What is the nurse’s
priority action?
A. Massage the leg
B. Apply heat
C. Assess for Homan’s sign
D. Notify the provider
Answer: D. Notify the provider
Rationale: Signs suggest deep vein thrombosis; immediate provider notification
is necessary.
6. A client with COPD is receiving oxygen therapy. Which oxygen delivery
method is most appropriate?
A. Non-rebreather mask
B. Venturi mask
C. Nasal cannula at 6 L/min
D. Simple mask at 10 L/min
Answer: B. Venturi mask
Rationale: The Venturi mask delivers precise oxygen concentrations, ideal for
COPD clients.
7. Which finding indicates lithium toxicity?
A. Constipation
B. Tremors and confusion
, C. Weight gain
D. Dry mouth
Answer: B. Tremors and confusion
Rationale: Neurological symptoms such as tremors and confusion signal lithium
toxicity.
8. A nurse is caring for a client with increased intracranial pressure (ICP).
Which position is appropriate?
A. Supine flat
B. High Fowler’s
C. Semi-Fowler’s with head midline
D. Trendelenburg
Answer: C. Semi-Fowler’s with head midline
Rationale: Elevating the head 30 degrees promotes venous drainage and
reduces ICP.
9. Which vaccine is contraindicated during pregnancy?
A. Influenza (inactivated)
B. Tdap
C. MMR
D. Hepatitis B
Answer: C. MMR
Rationale: MMR is a live vaccine and contraindicated during pregnancy.
10. A client with Addison’s disease is at risk for which condition?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hyperglycemia
Answer: C. Hyperkalemia
Rationale: Addison’s disease causes decreased aldosterone, leading to
potassium retention.
Verified Questions, Correct Answers, and
Detailed Explanations for Students||Already
Graded A+
1. A nurse is assessing a client with left-sided heart failure. Which finding
should the nurse expect?
A. Peripheral edema
B. Jugular vein distention
C. Crackles in the lungs
D. Ascites
Answer: C. Crackles in the lungs
Rationale: Left-sided heart failure causes pulmonary congestion, leading to
crackles and dyspnea.
2. A client with diabetes mellitus has a blood glucose of 52 mg/dL. What is
the nurse’s priority action?
A. Administer insulin
B. Give 15 g of fast-acting carbohydrate
C. Start IV normal saline
D. Notify the provider
Answer: B. Give 15 g of fast-acting carbohydrate
Rationale: Hypoglycemia requires immediate treatment with fast-acting
carbohydrates.
3. Which electrolyte imbalance is associated with peaked T waves on ECG?
A. Hypokalemia
B. Hyperkalemia
C. Hyponatremia
D. Hypercalcemia
Answer: B. Hyperkalemia
Rationale: Elevated potassium levels cause characteristic peaked T waves.
,4. A client is prescribed warfarin. Which laboratory value should the nurse
monitor?
A. aPTT
B. Platelet count
C. INR
D. Hemoglobin
Answer: C. INR
Rationale: INR monitors the effectiveness and safety of warfarin therapy.
5. A postoperative client reports calf pain and swelling. What is the nurse’s
priority action?
A. Massage the leg
B. Apply heat
C. Assess for Homan’s sign
D. Notify the provider
Answer: D. Notify the provider
Rationale: Signs suggest deep vein thrombosis; immediate provider notification
is necessary.
6. A client with COPD is receiving oxygen therapy. Which oxygen delivery
method is most appropriate?
A. Non-rebreather mask
B. Venturi mask
C. Nasal cannula at 6 L/min
D. Simple mask at 10 L/min
Answer: B. Venturi mask
Rationale: The Venturi mask delivers precise oxygen concentrations, ideal for
COPD clients.
7. Which finding indicates lithium toxicity?
A. Constipation
B. Tremors and confusion
, C. Weight gain
D. Dry mouth
Answer: B. Tremors and confusion
Rationale: Neurological symptoms such as tremors and confusion signal lithium
toxicity.
8. A nurse is caring for a client with increased intracranial pressure (ICP).
Which position is appropriate?
A. Supine flat
B. High Fowler’s
C. Semi-Fowler’s with head midline
D. Trendelenburg
Answer: C. Semi-Fowler’s with head midline
Rationale: Elevating the head 30 degrees promotes venous drainage and
reduces ICP.
9. Which vaccine is contraindicated during pregnancy?
A. Influenza (inactivated)
B. Tdap
C. MMR
D. Hepatitis B
Answer: C. MMR
Rationale: MMR is a live vaccine and contraindicated during pregnancy.
10. A client with Addison’s disease is at risk for which condition?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hyperglycemia
Answer: C. Hyperkalemia
Rationale: Addison’s disease causes decreased aldosterone, leading to
potassium retention.