NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 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 2 of 5
As part of the discharge instructions, the nurse correctly instructs the client that which symptom is a sign of artificial pacemaker malfunction?
Correct Answer: B
Rationale: Dizziness during activity may indicate pacemaker failure to maintain adequate heart rate.
Question 3 of 5
The nurse responds to the call light of a client who has a history of angina pectoris. He tells the nurse that he has just taken a nitroglycerin tablet sublingually for anginal pain. What action should the nurse take next?
Correct Answer: A
Rationale: If anginal pain persists five minutes after the first nitroglycerin tablet, a second tablet should be administered, with up to three doses at five-minute intervals. Positioning with head lower than feet, narcotics, or calling the physician are not the immediate next steps.
Question 4 of 5
An adult client with peripheral vascular disease tells the nurse he is afraid his left leg is not improving and may need to be amputated. How should the nurse respond?
Correct Answer: B
Rationale: Reflecting the client’s concern encourages open communication and validates his feelings, promoting therapeutic dialogue.
Question 5 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.