ATI LPN
Cardiovascular NCLEX Questions Questions
Question 1 of 5
The respiratory pump_____ the pressure difference between the abdominal region and the thoracic region thus leading to a(n)______ in venous return.
Correct Answer: D
Rationale: The respiratory pump enhances venous return by increasing the pressure gradient between the abdomen and thorax during inspiration.
Question 2 of 5
Which of the following blood vessel is used to distribute oxygenated blood to the myocardium?
Correct Answer: A
Rationale: The coronary arteries deliver oxygenated blood to the myocardium, ensuring that the heart muscle receives the oxygen it needs to function effectively.
Question 3 of 5
In comparison to a sedentary individual, a well-trained athlete will usually have all the following characteristics EXCEPT
Correct Answer: B
Rationale: Athletes have a lower resting cardiac output due to a slower heart rate (bradycardia) and higher stroke volume, while cardiac reserve, stroke volume, and heart hypertrophy are increased.
Question 4 of 5
The tricuspid valve and left atrioventricular valves are names for the same structure.
Correct Answer: B
Rationale: The tricuspid valve is between the right atrium and ventricle, distinct from the left AV (mitral) valve.
Question 5 of 5
In fetal circulation, the ductus arteriosus and foramen ovale:
Correct Answer: C
Rationale: Both structures allow blood to bypass the nonfunctional fetal lungs.