NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 of 5
Digoxin (Lanoxin) and furosemide (Lasix) are ordered for a client who has congestive heart failure. Which of the following would the nurse also expect to be ordered for this client?
Correct Answer: A
Rationale: Furosemide, a diuretic, can cause potassium loss, leading to hypokalemia, which increases the risk of digoxin toxicity. Potassium supplements are often ordered to maintain normal levels.
Question 2 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 3 of 5
Which side effects are most closely associated with the use of nitroglycerin tablets? Select all that apply.
Correct Answer: A,E
Rationale: Nitroglycerin causes vasodilation, leading to headache (due to cerebral vasodilation) and dizziness (due to hypotension). Backache, jaundice, and pallor are not typical.
Question 4 of 5
A prothrombin time test should be performed regularly on persons who are taking which medication?
Correct Answer: B
Rationale: A prothrombin time test is done to determine the effectiveness of warfarin. A partial thromboplastin time test is used for heparin. Phenobarbital and digoxin do not require regular clotting tests, though serum levels may be monitored for long-term therapy.
Question 5 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.