PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which blood vessels have the largest diameter?
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veins
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arteries
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capillaries
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None of the above
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Explanation:
Detailed explanation-1: -The vena cava are the two largest veins that carry blood into the right upper chamber of the heart (the right atrium).
Detailed explanation-2: -The arterioles vary from 8 to 60 micrometers. The arterioles further subdivide into meta-arterioles. Capillaries are thin-walled vessels composed of a single endothelial layer. Because of the thin walls of the capillary, the exchange of nutrients and metabolites occurs primarily via diffusion.
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