A 62-year-old man with a history of hypertension complains to his urologist of a decreased ability to develop an erection. Parasympathetic fibers from which of the following nerves elicit erectile response?
A) Pelvic splanchnic
B) Greater splanchnic
C) Lesser splanchnic
D) Lumbar splanchnic

Question

Quizplus · Accepted Answer

The pelvic splanchnic nerves, which originate from the sacral spinal segments S2-S4, are responsible for the parasympathetic innervation that elicits an erectile response. This parasympathetic stimulation leads to vasodilation and increased blood flow into the penile corpora cavernosa, resulting in an erection.

A 62-Year-Old Man with a History of Hypertension Complains to His