NCLEX-PN (NATIONAL COUNCIL LICENSURE
EXAMINATION FOR
PRACTICAL/VOCATIONAL NURSES)
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF
1. A client receiving furosemide (Lasix) should be monitored closely for
which electrolyte imbalance?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hyponatremia
Rationale: Loop diuretics like furosemide cause loss of potassium in
urine, leading to hypokalemia.
2. The nurse identifies that a client taking warfarin should avoid which
food?
A. Apples
B. Bananas
C. Spinach
D. Oranges
Rationale: Spinach is high in vitamin K, which counteracts the
anticoagulant effects of warfarin.
,3. Which action should the nurse take first when a patient develops
shortness of breath during a blood transfusion?
A. Stop the transfusion immediately
B. Check the patient’s temperature
C. Notify the healthcare provider
D. Administer diphenhydramine
Rationale: Stopping the transfusion prevents further infusion of the
potentially harmful blood product.
4. The nurse knows that the most accurate method to confirm
nasogastric tube placement is:
A. Injecting air and listening for a “whoosh”
B. X-ray verification
C. Checking gastric pH
D. Observing for bubbling in water
Rationale: X-ray confirmation is the gold standard for verifying NG tube
placement.
5. Which of the following indicates a positive Trousseau’s sign?
A. Twitching of facial muscles
B. Carpal spasm after BP cuff inflation
C. Flaccid paralysis
D. Numbness in fingers
Rationale: Carpal spasm with BP cuff inflation indicates hypocalcemia.
6. Which type of isolation precaution is used for a client with
tuberculosis?
A. Contact
, B. Airborne
C. Droplet
D. Standard
Rationale: TB is transmitted via airborne droplets and requires an N95
mask and negative-pressure room.
7. The nurse should monitor for which adverse effect of morphine
sulfate?
A. Diarrhea
B. Hypertension
C. Respiratory depression
D. Tachycardia
Rationale: Morphine depresses the central nervous system, slowing
respiration.
8. The nurse is caring for a client with diabetes mellitus. A blood
glucose of 45 mg/dL indicates:
A. Hypoglycemia
B. Hyperglycemia
C. Normal level
D. Ketoacidosis
Rationale: A glucose level below 70 mg/dL is considered hypoglycemia
and requires immediate intervention.
9. Which vaccine is contraindicated during pregnancy?
A. MMR (measles, mumps, rubella)
B. Influenza (inactivated)
C. Tdap
EXAMINATION FOR
PRACTICAL/VOCATIONAL NURSES)
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF
1. A client receiving furosemide (Lasix) should be monitored closely for
which electrolyte imbalance?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hyponatremia
Rationale: Loop diuretics like furosemide cause loss of potassium in
urine, leading to hypokalemia.
2. The nurse identifies that a client taking warfarin should avoid which
food?
A. Apples
B. Bananas
C. Spinach
D. Oranges
Rationale: Spinach is high in vitamin K, which counteracts the
anticoagulant effects of warfarin.
,3. Which action should the nurse take first when a patient develops
shortness of breath during a blood transfusion?
A. Stop the transfusion immediately
B. Check the patient’s temperature
C. Notify the healthcare provider
D. Administer diphenhydramine
Rationale: Stopping the transfusion prevents further infusion of the
potentially harmful blood product.
4. The nurse knows that the most accurate method to confirm
nasogastric tube placement is:
A. Injecting air and listening for a “whoosh”
B. X-ray verification
C. Checking gastric pH
D. Observing for bubbling in water
Rationale: X-ray confirmation is the gold standard for verifying NG tube
placement.
5. Which of the following indicates a positive Trousseau’s sign?
A. Twitching of facial muscles
B. Carpal spasm after BP cuff inflation
C. Flaccid paralysis
D. Numbness in fingers
Rationale: Carpal spasm with BP cuff inflation indicates hypocalcemia.
6. Which type of isolation precaution is used for a client with
tuberculosis?
A. Contact
, B. Airborne
C. Droplet
D. Standard
Rationale: TB is transmitted via airborne droplets and requires an N95
mask and negative-pressure room.
7. The nurse should monitor for which adverse effect of morphine
sulfate?
A. Diarrhea
B. Hypertension
C. Respiratory depression
D. Tachycardia
Rationale: Morphine depresses the central nervous system, slowing
respiration.
8. The nurse is caring for a client with diabetes mellitus. A blood
glucose of 45 mg/dL indicates:
A. Hypoglycemia
B. Hyperglycemia
C. Normal level
D. Ketoacidosis
Rationale: A glucose level below 70 mg/dL is considered hypoglycemia
and requires immediate intervention.
9. Which vaccine is contraindicated during pregnancy?
A. MMR (measles, mumps, rubella)
B. Influenza (inactivated)
C. Tdap
