ERECTILE DYSFUNCTION

Question 1

Penis includes the two types of erectile tissue**

Answer 1

corpus cavernosa and corpus spongiosum.**

Question 2

Normal male erection is a neurovascular event relying on:

Answer 2

(a) An intact autonomic and somatic nerve supply to the penis,
(b) Arterial blood flow supplied by the paired cavernosal arteries,
(c) Smooth and striated musculature of the corpora cavernosa and pelvic floor

Question 3

Erection is caused and maintained by:

Answer 3

(a) Increase in arterial flow,
(b) Active relaxation of the smooth muscle within the sinusoids of the corpora cavernosa,
(c) An increase in venous resistance.

Question 4

What is a key neurotransmitter that initiates and sustains erections.**

Answer 4

Nitric oxide**

Question 5

the consistent inability to attain or maintain a sufficiently rigid penile erection for sexual performance**

Answer 5

Erectile dysfunction (ED)**

Question 6

(a) ED can have organic and psychogenic etiologies, and the two frequently overlap.**
(b) Organic erectile dysfunction may be an early sign of

Answer 6

of cardiovascular disease and requires evaluation.

Question 7

Loss of libido may indicate

Answer 7

androgen deficiency

Question 8

Loss of erections may result from arterial, venous, neurogenic, hormonal, or psychogenic causes.

Answer 8

arterial, venous, neurogenic, hormonal, or psychogenic causes.

Question 9

Erectile dysfunction may be an early manifestation of

Answer 9

of endothelial dysfunction, which precedes more severe atherosclerotic cardiovascular disease.

Question 10

What medications are associated with ED

Answer 10

antihypertensive, antidepressant, and opioid agents