The ________ is composed of an endothelium and a subendothelial layer made up of a thin layer of areolar connective tissue.

A. tunica intima
B. tunica externa
C. tunica media
D. tunica adventitia
E. None of the answers is correct.


Answer: A

Anatomy & Physiology

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Sympathetic innervation of the heart arises from the ________ segments of the spinal cord.

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RNA synthesis from a DNA template

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Which serous membrane covers some abdominal organs?

What will be an ideal response?

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