Ejaculation is accompanied by dilation of the pupils.This pupillary dilation
A)Occurs because ejaculation is triggered by a parasympathetic reflex
B)Occurs because ejaculation is triggered by a sympathetic reflex
C)Is a coincidence unrelated to reflexes
D)Is a consequence of prior intense physical exertion
E)Is a myth

Question

Quizplus · Accepted Answer

Ejaculation is triggered by a sympathetic reflex, which causes a release of norepinephrine. Norepinephrine is associated with pupil dilation, so the dilation of pupils during ejaculation is likely a result of this sympathetic response.

Ejaculation Is Accompanied by Dilation of the Pupils