Sexual function and dysfunction

Question 1

What are some non physiological forms of sexual dysfunction?

Answer 1

Psychological: interpsychic and intrapsychic
Social: situational

Question 2

What are three examples of female sexual dysfunctions?

Answer 2

Sexual interest/arousal disorder; female orgasmic disorder; genito-pelvic pain (dyspareunia)

Question 3

What are some examples of male sexual dysfunction? (4)

Answer 3

male hypoactive sexual desire disorder; delayed ejaculation; erectile disorder; premature ejaculation

Question 4

What can cause low libido?

Answer 4

Psychological: fatigue, situational, depression
Physical: hypothyroidism, hypogonadism, partial androgen deficiency in ageing male
Other: medication

Question 5

How does an erection occur?

Answer 5

• Stimuli causes NO to be released, which in turn increases cGMP in certain areas of the penis
• cGMP causes SM relaxation of erectile tissues, and arterial expansion. Increased blood flow to corpus cavernosum. Veins are compressed
• phosphodiesterase breaks down cGMP to limit erection

Question 6

How is erectile dysfunction characterised?

Answer 6

Persistent inability for at least 3 months to obtain or maintain an erection sufficient for sexual performance.

Question 7

What are some PDE5 inhibitors?

Answer 7

Sildenafil (viagra), tadalafil (cialis), vardenafil (levitra)