The most common cause of erectile dysfunction (ED) is: A. ...

[B]

The most common cause of erectile dysfunction (ED) is:
 
  A. Peripheral neuropathy
  B. Low testosterone
  C. Peripheral vascular disease
  D. Autonomic neuropathy

Question 2

Priapism often occurs in male patients with:
 
  A. Sickle cell anemia
  B. Low testosterone
  C. Diabetes mellitus
  D. Autonomic neuropathy

[zenzy]

Answer to Question 1

ANS: C
Vascular disease is one of the most common causes of organic ED. Many epidemiologic studies have shown not only that ED coexists with hypertension, but also that as the severity of hypertension increases, so do reports of ED severity from patients.

Answer to Question 2

ANS: A
Priapism is often a condition of vaso-occlusive crisis in sickle cell anemia. Vascular congestion of the penis can occur secondary to hypoxia, stressful event, or exertion in males with SCA.