The biological tie between pleasure and pain may be due to the release of ________ when
experiencing pain.
A) stress.
B) norepinephrine.
C) endorphins.
D) serotonin.
Question 2
Frotteurism involves urges to
A) expose one's genitals to strangers.
B) rub against or touch a nonconsenting person.
C) augment sexual arousal by cutting off oxygen supplies to the brain.
D) use enemas to heighten arousal.