Practice Questions (Lab 3) Question 1 / 20     
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Correct. What is the labeled structure called? What is it composed of?

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No. The media is the layer containing lots of smooth muscle. The adventitia is even further from the lumen.

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Close, but this is not the best answer. BOTH the labeled structure and the media separate these two layers.

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Incorrect. The labeled structure is the internal elastic lamina.

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1.   The highlighted structure separates the

A tunica media from the tunica intima.
B tunica adventitia from the tunica media.
C tunica adventitia from the tunica intima.
D internal elastic lamina from the adventitia.

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