NCLEX CARDIOVASCULAR EXAM QUESTIONS AND ANSWERS 2025-2026 GRADED A

1. A client admitted to the hospital with chest pain and a history of type 2
diabetes mellitus is scheduled for cardiac catheterization. Which medication
would need to be withheld for 24 hours before the procedure and for 48 hours
after the procedure?
1. Glipizide
2. Metformin
3. Repaglinide
4. Regular insulin
2. A client who had cardiac surgery 24 hours ago has had a urine output averaging
20 mL/hour for 2 hours. The client received a single bolus of 500 mL of
intravenous fluid. Urine output for the subsequent hour was 25 mL. Daily
laboratory results indicate that the blood urea nitrogen level is 45 mg/dL (16
mmol/L) and the serum creatinine level is 2.2 mg/dL (194 mcmol/L). On the basis
of these findings, the nurse would anticipate that the client is at risk for which
problem?
1. Hypovolemia
2. Acute kidney injury
3. Glomerulonephritis
4. Urinary tract infection
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3. The nurse is reviewing an electrocardiogram rhythm strip. The P waves and
QRS complexes are regular. The PR interval is 0.16 seconds, and QRS
complexes measure 0.06 seconds. The overall heart rate is 64 beats/minute.
Which action should the nurse take?
1. Check vital signs.
2. Check laboratory test results.
3. Notify the health care provider.
4. Continue to monitor for any rhythm change.