ATI LPN
Cardiovascular Nursing Questions Questions
Question 1 of 5
A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?
Correct Answer: C
Rationale: In Stokes-Adams syndrome, after complete block, Purkinje fibers take over as the pacemaker at a slower rate.
Question 2 of 5
A patient with high pH levels and increased HCO3- in blood. He will most likely be presenting with:
Correct Answer: B
Rationale: High pH and increased HCO3- indicate metabolic alkalosis, often from hypoventilation retaining CO2.
Question 3 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 4 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 5 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.