For erection to occur,
A)there must be sufficient blood hydrostatic pressure.
B)the sacral spinal cord must be intact.
C)nitric oxide must be present.
D)blood flow to the penis must increase.
E)All of the answers are correct.

Question

Quizplus · Accepted Answer

All of the answers are correct. A sufficient blood hydrostatic pressure, intact sacral spinal cord, presence of nitric oxide, and increased blood flow to the penis are all necessary for an erection to occur.

For Erection to Occur