PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The vessel layer that has a direct role in vasoconstriction is the ____
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tunica intima
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tunica media
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tunica externa
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capillaries
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Explanation:
Detailed explanation-1: -The artery at this point is described as a muscular artery. The diameter of muscular arteries typically ranges from 0.1 mm to 10 mm. Their thick tunica media allows muscular arteries to play a leading role in vasoconstriction which controls blood flow to individual organs.
Detailed explanation-2: -The tunica media is responsible for vasoconstriction and dilation.
Detailed explanation-3: -Their thick tunica media allows muscular arteries to play a leading role in vasoconstriction.
Detailed explanation-4: -Blood Vessel Structure Moving towards the lumen, the next layer is the tunica media composed of smooth muscle, connective tissue, and elastic fibers. This is where vasoconstriction takes place.
There is 1 question to complete.