Select the correct statement about male sexual response.
A) Expansion of the penile tissues results in dilation of the venous outflow.
B) Erection is the result of vascular spaces in the erectile tissues filling with blood.
C) Ejaculation is the result of parasympathetic stimulation.
D) Sympathetic impulses are responsible for causing penile arteriolar dilation, resulting in erection.

Question

Quizplus · Accepted Answer

Erection is caused by the filling of the erectile tissues with blood, which results from relaxation of smooth muscle cells within the blood vessels that supply the erectile tissues. This relaxation allows for increased blood flow into the tissues, which causes the penis to become erect. Options A, C, and D are incorrect statements.

Select the Correct Statement About Male Sexual Response