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Quiz on Arterial Compliance

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Questions and Answers

Which vessel carries oxygenated blood from the lungs to the left atrium?

Pulmonary vein (correct)

Pulmonary artery

Right ventricle

Aorta

What is the primary goal of the pulmonary circulation?

To carry oxygen from the lungs to the tissues (correct)

To adapt to the tissues' metabolic needs

To receive output from the left ventricle

To remove carbon dioxide from the blood

Which circuit has lower pressure and vascular resistance compared to the other?

Systemic circuit

Pulmonary circuit (correct)

Both circuits have similar pressure and vascular resistance

None of the above

Which cells are highly dysfunctional in atherosclerosis?

Endothelial cells Signup and view all the answers

What can cause rapid expansion of a plaque in atherosclerosis?

Internal hemorrhages from blood vessels Signup and view all the answers

What can lead to critical stenosis in atherosclerosis?

Rupture of plaques Signup and view all the answers

Which layer of blood vessels contains concentric layers of smooth muscle cells?

Tunica media Signup and view all the answers

What is the primary site of systemic vascular resistance in the circulatory system?

Arterioles Signup and view all the answers

Which cells form a barrier that contains blood within the lumen of the vessel and control the passage of solutes and cells?

Endothelial cells Signup and view all the answers

What is the function of elastic fibers in blood vessels?

To stretch and recoil Signup and view all the answers

Which of the following is a characteristic of veins?

Veins store a smaller percentage of the circulating blood volume compared to arteries Signup and view all the answers

Which of the following is true about blood flow velocity and cross-sectional area?

Blood flow velocity is highest in the aorta and large arteries Signup and view all the answers

What is the role of nitric oxide (NO) in vascular health?

NO promotes vasodilation and lowers blood pressure Signup and view all the answers

What is a hallmark of endothelial dysfunction in atherosclerosis?

Decreased nitric oxide production Signup and view all the answers