14 Questions
Which vessel carries oxygenated blood from the lungs to the left atrium?
Pulmonary vein
What is the primary goal of the pulmonary circulation?
To carry oxygen from the lungs to the tissues
Which circuit has lower pressure and vascular resistance compared to the other?
Pulmonary circuit
Which cells are highly dysfunctional in atherosclerosis?
Endothelial cells
What can cause rapid expansion of a plaque in atherosclerosis?
Internal hemorrhages from blood vessels
What can lead to critical stenosis in atherosclerosis?
Rupture of plaques
Which layer of blood vessels contains concentric layers of smooth muscle cells?
Tunica media
What is the primary site of systemic vascular resistance in the circulatory system?
Arterioles
Which cells form a barrier that contains blood within the lumen of the vessel and control the passage of solutes and cells?
Endothelial cells
What is the function of elastic fibers in blood vessels?
To stretch and recoil
Which of the following is a characteristic of veins?
Veins store a smaller percentage of the circulating blood volume compared to arteries
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
What is the role of nitric oxide (NO) in vascular health?
NO promotes vasodilation and lowers blood pressure
What is a hallmark of endothelial dysfunction in atherosclerosis?
Decreased nitric oxide production
Take this quiz to test your knowledge on arterial compliance, blood pressure, and blood flow in veins. Explore concepts such as elastic recoil, biophysics of flow velocity, and the storage of blood volume in systemic veins.
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