NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 of 5
If the client understands the nurse's explanation of the heart's conduction system, which structure will the client identify as the site of the natural pacemaker? Place an X over the correct site.
Correct Answer: A
Rationale: The sinoatrial (S
A) node is the heart's natural pacemaker, initiating electrical impulses.
Question 2 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 3 of 5
During cardiopulmonary resuscitation (CPR), the nurse compresses the chest of an adult victim at which rate?
Correct Answer: D
Rationale: Adult CPR requires 100-120 compressions per minute to restore circulation effectively.
Question 4 of 5
The nurse provides discharge instructions for a client who has recovered after a cardiac catheterization. Which instructions should be included? Select all that apply.
Correct Answer: A,C,D
Rationale: Showering prevents infection, generous fluids help flush contrast dye, and reporting worsening pain detects complications. Leg exercises, double flushing, and daily dressing changes are not standard.
Question 5 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.