Human Sexual Repsonse

Question 1

• It occurs with physical and psychological stimulation that causes parasympathetic nerve stimulation (sight, sound, emotion or thought).
• This leads to arterial dilation and venous constriction in the genital area; the blood supply in this area increases resulting in vasocongestion and increase muscular tension.

Answer 1

Excitement

Question 2

 increased size of clitoris
 increased mucus in the vagina
 vagina widens its diameter and length
 nipples become erect
 increased cardiac and respiratory rate

Answer 2

In women, this vasocongestion results in:

Question 3

 erection of the penis and nipples
 there is scrotal thickening and testicle elevation
 increased cardiac and respiratory rate

Answer 3

In men, this vasocongestion results in:

Question 4

• It is reached just before the orgasm.

Answer 4

Plateau

Question 5

• The clitoris is drawn forward and retracts under the clitoral prepuce.
• Lower part of female vagina becomes congested
• There is increased nipple engorgement.

Answer 5

Plateau in women:

Question 6

Vasocongestion leads in full distention of the penis

Answer 6

Plateau in men:

Question 7

 The average number of contractions in women is from 8-15 at intervals of one in every 0.8 sec
 In men, muscle contraction surrounding the seminal vessels and prostate project semen into the proximal urethra
 These contractions are followed by 3-7 propulsive ejaculatory contractions which force semen into the penis

Answer 7

Orgasm

Question 8

Period during which the external and internal organs return to an unaroused state – 30 mins.

Answer 8

Resolution

Question 9

 More than 50% of the erection is lost
 General muscle relaxation occurs, in men
 The inner 1/3 of the vagina gradually shrink and color returns to pre excitement phase
 HR and RR returns to normal
 For the MALE, a REFRACTORY PERIOD occurs
 during which further orgasm is impossible.
 For the FEMALE, there is MULTIPLE ORGASM.

Answer 9

Resolution