ATI LPN
Cardiovascular Exam Questions Questions
Question 1 of 5
A measure of the arterial blood pressure over time is the
Correct Answer: A
Rationale: Mean arterial blood pressure represents the average pressure in arteries during one cardiac cycle.
Question 2 of 5
Blood leaving the left ventricle passes through which of the following structures?
Correct Answer: D
Rationale: Blood leaving the left ventricle flows into the aorta via the aortic semilunar valve. This valve prevents backflow of blood from the aorta into the left ventricle.
Question 3 of 5
Cardiac output is the volume of blood ejected from the_____ ventricle into the_____ each minute.
Correct Answer: A
Rationale: Cardiac output specifically refers to the blood volume pumped by the left ventricle into the aorta per minute.
Question 4 of 5
The pulmonary artery carries oxygenated blood.
Correct Answer: B
Rationale: The pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation.
Question 5 of 5
Both the tunica media and the tunica externa are absent in:
Correct Answer: C
Rationale: Capillaries consist only of tunica intima (endothelium), lacking media and externa.