1. The tunica media of blood vessels contain the following structures except _____. A. endothelial cell B. smooth muscle C. elastic fibers D. proteoglycans 2. The following describes the tunics of a vein except letter _____. A. tunica media is thinner than arteries B. tunica adventitia is the thickest C. tunica interna is with fine collagen and elastic fibers D. tunica media is the thickest 3. Which of the following is the prominent feature of elastic arteries? A. thick media B. external elastic lamina C. smooth muscle fibers D. thin endothelial layer
1. The tunica media of blood vessels contain the following structures except _____.
A. endothelial cell B. smooth muscle C. elastic fibers D. proteoglycans
2. The following describes the tunics of a vein except letter _____.
A. tunica media is thinner than arteries
B. tunica adventitia is the thickest
C. tunica interna is with fine collagen and elastic fibers
D. tunica media is the thickest
3. Which of the following is the prominent feature of elastic arteries?
A. thick media
B. external elastic lamina
C. smooth muscle fibers
D. thin endothelial layer
4. Which of the following describes an artery?
A. round and larger lumen
B. without valve
C. lumen is large when blood is flowing
D. with valve
5. These permit easier movement of cells between tissues and blood.
A. sinusoid capillaries
B. continuous capillaries
C. fenestrated capillaries
D. metarterioles
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