A320 Airplane General Practice Exam

What is the primary role of the tunica externa?

Generate the pulse wave Provide an endothelial exchange surface Anchor and reinforce the vessel with connective tissue Open and close precapillary sphincters

Correct Answer:

Anchor and reinforce the vessel with connective tissue

Explanation:

The tunica externa is mainly connective tissue that protects, reinforces, and anchors the vessel.

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