ATI LPN
Cardiovascular NCLEX Questions with Rationale Questions
Question 1 of 5
Frank Starling's law states that if more blood enters the heart,
Correct Answer: B
Rationale: Frank-Starling's law states that an increase in end-diastolic volume stretches cardiac muscle fibers, resulting in a stronger contraction and greater stroke volume.
Question 2 of 5
The common iliac artery is in which blood circuit?
Correct Answer: C
Rationale: The common iliac artery is part of the systemic circuit, delivering blood to the lower body.
Question 3 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 4 of 5
Heart murmurs are often heard in individuals with abnormalities in the of the heart.
Correct Answer: A
Rationale: Heart murmurs are typically caused by turbulent blood flow due to defective valves, not the myocardium (heart muscle) or nodes (electrical system).
Question 5 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.