ATI LPN
Cardiovascular NCLEX Questions with Rationale Questions
Question 1 of 5
Which of the following chambers of the heart contain deoxygenated blood?
Correct Answer: C
Rationale: Deoxygenated blood returning from the body enters the right atrium and flows into the right ventricle before being pumped to the lungs for oxygenation.
Question 2 of 5
The bicuspid valve, the mitral valve, and the left atrioventricular valve are all names for the same structure.
Correct Answer: A
Rationale: These terms all refer to the same valve between the left atrium and ventricle.
Question 3 of 5
All the following are major branches of the aortic arch except the:
Correct Answer: A
Rationale: The coronary arteries branch from the ascending aorta, not the aortic arch.
Question 4 of 5
Pericardial fluid can be found between the:
Correct Answer: D
Rationale: Pericardial fluid is found between the epicardium and the pericardium, reducing friction.
Question 5 of 5
The Frank-Starling mechanism:
Correct Answer: C
Rationale: The Frank-Starling mechanism correlates the stretch of cardiac muscle fibers with the strength of contraction.