ATI LPN
Cardiovascular Nursing Questions Questions
Question 1 of 5
Which of the following statements about cardiac muscle is most accurate?
Correct Answer: B
Rationale: Cardiac muscle contraction strength depends on extracellular calcium entering via L-type channels.
Question 2 of 5
Which type of hypersensitivity is rheumatic fever?
Correct Answer: B
Rationale: Rheumatic fever is a type II hypersensitivity reaction due to molecular mimicry.
Question 3 of 5
The most frequent cause of aortic valve incompetence and regurgitation is:
Correct Answer: C
Rationale: Rheumatic fever is the most common cause of aortic regurgitation due to valve scarring.
Question 4 of 5
In which of the following scenarios are ACE inhibitors contraindicated?
Correct Answer: A
Rationale: ACE inhibitors are contraindicated in pregnancy due to teratogenic risks.
Question 5 of 5
A patient with renal artery stenosis developed hypertension. Which of the following drugs can be used in this case?
Correct Answer: B
Rationale: Losartan is safer than captopril in renal artery stenosis, avoiding acute renal failure risk.