Question

Sympathetic nervous system stimulation that results in vasoconstriction is most likely​ affecting:

A. alpha 2 receptor sites.

B. beta 2 receptor sites.

C. beta 1 receptor sites.

D. alpha 1 receptor sites.

Answer 1

Vasoconstriction resulting from sympathetic nervous system stimulation is most likely affecting alpha 1 receptor sites.

Step-by-step explanation:

Vasoconstriction is most likely affecting alpha 1 receptor sites.

The sympathetic nervous system stimulation causes the release of norepinephrine, which binds to alpha 1 adrenergic receptors in the smooth muscle of blood vessels.

This binding ultimately leads to vasoconstriction, narrowing the diameter of the blood vessels, and increasing blood pressure.