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The layer of the arteriole wall that can cause vasoconstriction is the tunica _______

a. adventitia.
b. media.
c. intima.
d. externa.
e. mater.

1 Answer

3 votes

Answer:

d. externa

Step-by-step explanation:

The tunica externa forms part of the layer of the vein and is mainly made up of connective tissue.

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