Chapter 4: Genital Anatomy

Question 1

Which of the following structures is not part of the external female genitals?

a) Mons pubis
b) Vulvar vestibule
c) Vagina
d) Clitoris

Answer 1

c) Vagina

Question 2

In terms of sensitivity, the clitoris is most similar to the _______

a) Glans penis
b) Scrotum
c) Vas deferens
d) Foreskin

Answer 2

a) Glans penis

Question 3

The surgical procedure known as labiaplasty most commonly involves the ________

a) Labia majora
b) Labia internus
c) Labia minora
d) Outer genital lips

Answer 3

c) Labia minora

Question 4

What is the function of the hymen?

a) To protect the vaginal opening
b) To provide proof of virginity
c) To contain and limit menstrual flow
d) All of the above

Answer 4

a) To protect the vaginal opening

Question 5

The recommendation to change the name of the G-Spot to the clitourethrovaginal complex was made because _______

a) It downplays the idea that the G-spot is a precise and isolated erogenous zone found in all women
b) fMRI studies have shown all women actually do have a G-spot, but many don’t know how to find it
c) Grafenberg, the scientist who first described the G-spot requested the name change
d) Using this more complicated and more scientific term invites greater scientific understanding of female genitals and female sexual arousal

Answer 5

a) It downplays the idea that the G-spot is a precise and isolated erogenous zone found in all women

Question 6

Which of the following statements is true of female genital mutilation (FGM)?

a) The practice of FGM remains legal in many Western countries
b) FGM is increasingly being performed on young boys
c) Because of successful education programs, FGM is now most commonly performed at medical centres
d) Most women who have undergone FGM are happy that is was done to them

Answer 6

d) Most women who have undergone FGM are happy that is was done to them

Question 7

Backroom abortions are very risky because the straightened coat hanger can ________

a) Cause cervical cancer
b) Perforate the posterior fornix of the vagina
c) Perforate either of the ovaries resulting in infertility
d) Sever one of the fallopian tubes resulting in internal bleeding

Answer 7

b) Perforate the posterior fornix of the vagina

Question 8

Which of the following structures is not found in the human penis?

a) Fibrous tissue
b) Smooth muscles
c) A urethra
d) A baculum

Answer 8

d) A baculum

Question 9

Which of the following statements is false?

a) The corpus spongiosum is wrapped in a tight fibrous sleeve that becomes taut and rigid when filled with blood
b) Research has shown penis size is not related to foot size
c) When contracted, the dartos muscle brings the testicles closer to the body
d) The angle of the erect penis can be indicative of erectile dysfunction

Answer 9

a) The corpus spongiosum is wrapped in a tight fibrous sleeve that becomes taut and rigid when filled with blood

Question 10

The ______ is/are analogous to the ovaries

a) Testicles
b) Vas deferens
c) Scrotum
d) Foreskin

Answer 10

a) Testicles

Question 11

Which of the following is in the correct order of structures involved in sperm production from synthesis to release?

a) Vas deferens, epididymis, seminiferous tubules, urethra
b) Epididymis, vas deferens, urethra, seminiferous tubules
c) Seminiferous tubules, epididymis, vas deferens, urethra
d) Urethra, seminiferous tubules, vas deferens, epididymis

Answer 11

c) Seminiferous tubules, epididymis, vas deferens, urethra

Question 12

The process whereby sperm loses its outer plasma membrane to enable possible binding with an ovum is called _________

a) Castration
b) Insemination
c) Capacitation
d) Spermatogenesis

Answer 12

c) Capacitation

Question 13

Which of the following statements about breast cancer is true?

a) Most women who are diagnosed with breast cancer, ultimately die from the disease
b) Because of abundant research, it is now known what causes breast cancer in women
c) Breast cancer is the third most common cancer affecting women
d) Men can develop breast cancer

Answer 13

d) Men can develop breast cancer

Question 14

An erect penis resists downward rotation in part because of _______

a) Mild erectile dysfunction
b) The location of the penis on the body
c) The suspensory ligament
d) The pubic symphysis

Answer 14

c) The suspensory ligament

Question 15

What is the main role of the cremaster muscle?

a) It helps maintain a favourable temperature for sperm
b) It lowers the testicles during sexual arousal
c) It allows for clitoral retraction during sexual arousal
d) It is responsible for myotonia during sexual response

Answer 15

a) It helps maintain a favourable temperature for sperm

Question 16

Although women may be less likely than men to experience orgasm during penile-vaginal intercourse, research has shown that they are more likely to experience

a) A short refractory period
b) Multiple orgasms
c) Higher levels of sexual desire
d) Ejaculation

Answer 16

b) Multiple orgasms

Question 17

The prostate gland

a) Stores sperm during refractory periods
b) Contributes the major proteins that make fresh ejaculate thick and gelatinous
c) Surrounds the urethra
d) Is essential for orgasm

Answer 17

c) Surrounds the urethra

Question 18

The fallopian tubes

a) Transport sperm to the ovaries
b) Are the most common site where sperm fertilize eggs
c) Store females’ eggs until puberty
d) Produce most of the mucus in the vagina

Answer 18

b) Are the most common site where sperm fertilize eggs

Question 19

Penile erections for humans are maintained by

a) Bone (the baculum) sliding into the shaft of the penis
b) Blood pressure in the corpora cavernosa
c) Contraction of muscles around the urethra
d) Blood pressure in the corpus spongiosum

Answer 19

b) Blood pressure in the corpora cavernosa

Question 20

Imagine that a friend discloses to you that she finds direct stimulation to her clitoris uncomfortable to the point that it sometimes becomes painful. What information would you provide her to assure her that what she is experiencing is typical of some women’s experience? What would you suggest to her to decrease her discomfort?

Answer 20

The clitoris is an exceptionally sensitive organ

Indirect stimulation or stimulation of other erogenous zones

Question 21

Consider a situation in which a male friend of yours is highly distressed about his penis size, thinking that it is too small to be taken seriously by potential sexual partners. What information would you give him in order to decrease his distress?

Answer 21

Large penises are not essential for sexual pleasure during intercourse and not all partners prefer them

Question 22

What is the difference in effect of castrating a male before puberty versus after puberty?

Answer 22

Before puberty castration:
- Males will not go through puberty (no deep voice or facial hair)

After puberty castration:

• androgen deprivation (can treat some diseases)
• lose muscle mass and gain weight as fat

Question 23

Douches can increase probability of:

Answer 23

Endometriosis

Ectopic pregnancy

Decreased fertility

Question 24

Among the most easily prevented cancers

Answer 24

Cervical cancer

Question 25

Difference between semen and sperm

Answer 25

Semen is mostly made up of fluid from the seminal vesicles and the prostate glad

Sperm makes up 1% of the volume of ejaculatory fluid