Human Sexual Response

Question 1

4 phases of human sexual response

Answer 1

Excitation
Plateau
Orgasm
Resolution

Question 2

The 2 physiologic process responsible for most of the human sexual response in men and women

Answer 2

Vasocongestion

Myotonia

Question 3

examples of myotonia in women

Answer 3

nipples erect

Question 4

female orgasmic platform

Answer 4

outer third of vagina thickens, swells. without it, no orgasm occurs

Question 5

plateau in males

Answer 5

Bulbourethral glands / cowper’s glands secrete fluid (may contain live sperm)

Question 6

2 stages of orgasm in men

Answer 6

1. contraction of seminal vesicles, vas deferens and prostate
2. contraction of urethra and penis: ejaculation

Question 7

Retrograde ejaculation

Answer 7

In some cases, the urinary valve that opens into the bladder is open as the semen heads toward the urethra. Semen flows into bladder instead (path of least resistance).
More common in men with MS or diabetes, and in men with history of bladder/ prostate surgery

Question 8

Men: spinal reflexes in erection

Answer 8

sacral spinal cord responds to stimulation, sends message via parasympathetic to relax the penile arteries: more blood flows to penis.

Question 9

Men: spinal reflexes in ejaculation

Answer 9

This occurs higher in spinal cord because sympathetic trunk is higher.
message to sympathetic system causes muscle contractions.