PATHOLOGY MCQ
BLOOD VESSELS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The blood vessel that has the largest diameter is
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vein
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artery
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capillary
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venule
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Explanation:
Detailed explanation-1: -Largest blood vessel in the body is carotid systemic or dorsal aorta. Dorsal Aorta: Dorsal aorta arises from the left ventricle of heart.
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.
Detailed explanation-3: -The vena cava is the largest vein in the body.
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