Physiology of Sex and Sexual Response

Question 1

What are the five phases of the Sexual Response Cycle?

Answer 1

1. Desire
2. Excitement
3. Plateau
4. Orgasm
5. Resolution

Question 2

Define “desire” and give three examples of things which can cause it

Answer 2

A spontaneous sexual interest

Erotic dreams
Sexual fantasy
Daydreams

Question 3

Define “excitement”

Answer 3

The body’s physical response to desire

Question 4

Define “plateau”, and how long can it last?

Answer 4

The period of sexual excitement before orgasm. Lasts up to three minutes

Question 5

Give examples of physiological changes observed in both genders during excitement

Answer 5

Raised blood pressure, pulse, respiratory rate

Flushing

Nipple erection

Genital / pelvic vascular engorgement

Muscle contraction

Question 6

In males, pre-ejaculatory fluid is ejected from..?

Answer 6

Cowper’s gland

Question 7

What are Bartholin’s secretions?

Answer 7

Two glands located on either side of the vagina, which secrete mucus to lubricate the vagina

Question 8

The male experiences how many contractions during orgasm?

Answer 8

3 - 6

Question 9

The female experiences how many contractions during orgasm?

Answer 9

5 - 12

Question 10

Define “libido”

Answer 10

Also known as sex drive

Question 11

What are the effects of ageing on a female’s sexual response

Answer 11

Reduced lubrication
Reduced vascular engorgement
Reduced muscle tension
Reduced libido

Question 12

What are the effects of ageing on a male’s sexual response

Answer 12

Delayed and less firm erections
Longer excitement stage / interval to ejaculation
More direct stimulation to achieve erection
Longer refractory period

Question 13

What does NATSAL stand for?

Answer 13

National Survery of Sexual Attitudes and Lifestyles

Question 14

What are the four types of sexual dysfunction

Answer 14

Lifelong
Acquired
Situational
Generalised