The layer of the artery wall that helps maintain diastolic blood pressure is composed of which of these tissues?
a. Fibrous connective tissue and simple squamous epithelium
b. Elastic connective tissue and fibrous connective tissue
c. Smooth muscle and elastic connective tissue
d. Smooth muscle and simple squamous epithelium
ANS: C
The middle artery layer of smooth muscle and elastic connective tissue maintains normal blood pressure (BP), especially diastolic BP, by changing the diameter of the artery.
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