Sexual Response

Question 1

what are the 2 main physiological sexual responses?

Answer 1

myotonia (increased muscle tension)

vasocongestion (increased blood flow)

Question 2

what are the 4 stages of sexual response?

Answer 2

Excitement (arousal)
Plateau
Orgasm
Resolution

Question 3

erection is mainly a _________ reflex

Answer 3

parasympathetic (S2-S4)

Question 4

what causes erection in a man’s penis?

Answer 4

vasodilation of teh arterioles from relaxation of arteriolar smooth muscle

Question 5

what is priapism?

Answer 5

erect penis or clitoris can’t return to flaccid state, despite absence of both physical & psychological stimulation w/i 4 hours (medical emergency)

Question 6

what are the phases to the male sexual response?

Answer 6

Erection
Emission
Ejaculation

Question 7

Ejaculation is coordinated in the __________spinal cord at what spinal level

Answer 7

lumbar spinal cord at L1-L2

Question 8

what is emission?

Answer 8

rhythmic contractions of smooth muscle of epididymis, vas deferens, seminal vesicles & prostate–>prostatic urethra (moving the sperm into the urethra)

Question 9

what is ejaculation?

Answer 9

moving the sperm from inside the urethra to out

Question 10

Ejaculation is controlled by what nerve?

Answer 10

pudendal nerves

Question 11

how do you prevent retrograde ejaculation?

Answer 11

by contraction of internal & external urethral sphincters

Question 12

what happens to breasts during the excitement phase of a female sexual response?

Answer 12

erection of nipple

breasts become engorged with blood

Question 13

what happens to breasts during the plateau phase of female sexual response?

Answer 13

areolae of breast become swollen

breasts increase in size

Question 14

what happens in the vagina during the excitement phase?

Answer 14

vaginal lubrication

late: vaginal size increase

Question 15

what is the orgasmic platform?

Answer 15

during the plateau phase of the female sexual response there is local swelling due to vasocongestion happening in the outer-third of the vagina (creates 50% reduction in diameter of lumen of vagina)

Question 16

what happens in female right after the orgasmic platoform is lost?

Answer 16

the cervix drops from the elevated position it attained during excitement phase down into the pool of semen

Question 17

what happens in female pelvis during plateau phase?

Answer 17

uterine elevation, tenting effect, full vaginal expansion, labia minora size increase, clitoral body elevation

Question 18

what happens in female pelvis during orgasm?

Answer 18

contractions of uterus
rectal sphincter contracts
rhythmic contractions in orgasmic platform

Question 19

what happens in the female pelvis during resolution phase?

Answer 19

uterus lowers
vagina returns to normal
orgasmic platform disappears
cervix dips into the pool of semen at anterior end of vagina

Question 20

what is the purpose of the orgasmic platform?

Answer 20

to retain semen in the vagina

Question 21

how does blood pressure & heart rate change during sexual activity?

Answer 21

increase in BP, increase in HR

Question 22

how does respiration and sweating change during sexual activity?

Answer 22

respiration increased to 40/min

sweating also increased