NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 of 5
Which laboratory results would the nurse expect to be elevated if the client had a myocardial infarction (MI)?
Correct Answer: A
Rationale: Troponin and cardiac isoenzymes (e.g., CK-M
B) are specific markers of myocardial damage in MI.
Question 2 of 5
The nurse is caring for a client who is receiving heparin. What drug should be readily available?
Correct Answer: D
Rationale: The antidote for heparin is protamine sulfate. Vitamin K is the antidote for warfarin. Calcium gluconate is used for magnesium sulfate overdose. Caffeine is a stimulant and not an antidote.
Question 3 of 5
When a client returns from undergoing a cardiac catheterization, it is most essential for the nurse to:
Correct Answer: A
Rationale: Checking peripheral pulses post-cardiac catheterization is essential to detect complications like arterial occlusion or hematoma at the insertion site. Maintaining NPO, applying heat, or starting range of motion exercises immediately are not standard priorities.
Question 4 of 5
The nurse is caring for an elderly client who has congestive heart failure and is taking digoxin. The client should be monitored for which of the following signs of toxicity?
Correct Answer: A
Rationale: Disorientation is a neurological sign of digoxin toxicity. Weight gain, constipation, and dyspnea are not specific to digoxin toxicity.
Question 5 of 5
An adult male is being evaluated for possible dysrhythmia and is to be placed on a Holter monitor. What instructions should the nurse give him to ensure that this test provides a comprehensive picture of his cardiac status?
Correct Answer: C
Rationale: Keeping a diary of activities correlates symptoms or dysrhythmias with specific triggers, providing a comprehensive picture for diagnosis.