PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The inner layer of a blood vessel is called
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tunica interna
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tunica media
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tunica externa
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None of the above
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Explanation:
Detailed explanation-1: -The innermost layer, the tunica intima (also called tunica interna), is simple squamous epithelium surrounded by a connective tissue basement membrane with elastic fibers. The middle layer, the tunica media, is primarily smooth muscle and is usually the thickest layer.
Detailed explanation-2: -The tunica intima (New Latin “inner coat"), or intima for short, is the innermost tunica (layer) of an artery or vein.
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