Which of the following events occurs in an erection?
A) Vasoconstriction of arteries leading to erectile tissue of penis
B) Engorgement of erectile tissue of penis with blood
C) Dilation of venules leading from erectile tissue of penis
D) Relaxation of internal sphincter of urinary bladder
E) Decrease of blood flow to the penis

Question

Quizplus · Accepted Answer

Erection involves the engorgement of the erectile tissue of the penis with blood, which is facilitated by the vasodilation of arteries leading to the erectile tissue, not vasoconstriction. This process increases blood flow to the penis, contrary to a decrease.

Which of the Following Events Occurs in an Erection