Erection is a vascular phenomenon that involves decreased sympathetic and increased parasympathetic activity to the penile arterioles, resulting in arteriolar vasodilation and filling of the erectile tissue with blood.

Question

Quizplus · Accepted Answer

This statement is true. Erection involves activation of the parasympathetic nervous system, which leads to vasodilation of the penile arterioles, allowing blood to flow into the erectile tissue and create an erection. The sympathetic nervous system, which is responsible for the "fight or flight" response, would have the opposite effect and decrease blood flow to the penis.

Erection Is a Vascular Phenomenon That Involves Decreased Sympathetic and Increased