Sympathetic branches of the autonomic nervous system stimulate smooth muscle in artery and arteriole walls to __________.
A) expand
B) relax
C) contract
D) dilate
E) lengthen

Question

Quizplus · Accepted Answer

Sympathetic branches of the autonomic nervous system stimulate smooth muscle in artery and arteriole walls to contract, which results in the narrowing of the vessels and an increase in blood pressure.

Sympathetic Branches of the Autonomic Nervous System Stimulate Smooth Muscle