A clinician is evaluating a patient with erectile disorder. To determine whether physical factors are responsible for the condition, the clinician should measure:

Question

Quizplus · Accepted Answer

Nocturnal penile tumescence (NPT) is a measure of erections during sleep and can help differentiate between physical and psychological causes of erectile dysfunction. If NPT is normal, it suggests that the erectile dysfunction may have a psychological rather than a physical cause.

A Clinician Is Evaluating a Patient with Erectile Disorder