If the doctor uses a test that indicates if a man is having nighttime erections, what is he likely checking for?
A) if the man's ED should be classified as a lifelong sexual dysfunction or an acquired sexual dysfunction
B) if the man's ED is more likely to have a physiological vs. a psychological cause
C) if the man's ED can be effectively treated with a drug like Viagra
D) if the man's ED is situational or generalized

Question

Quizplus · Accepted Answer

The test in question is called a nocturnal penile tumescence (NPT) test, which measures the occurrence of erections during sleep. NPT can help determine if a man's erectile dysfunction (ED) has a physiological or psychological cause, as men with physiological ED often experience nighttime erections while those with psychological ED do not.

If the Doctor Uses a Test That Indicates If a Man