Deck 3: Male Sexual Anatomy and Physiology

Question 1

At birth, the testes are normally contained in the

A) abdominal cavity.
B) epididymis.
C) inguinal canal.
D) scrotum.

Answer 1

scrotum.

Question 2

Which of the following is NOT an aspect of male physiology for which the testes are directly or indirectly responsible?

A) ICSH production
B) Secondary sex characteristics
C) Sperm production
D) Testosterone production

Answer 2

ICSH production

Question 3

In which of these sexual organs are sperm actually formed?

A) Interstitial cells
B) Seminiferous tubules
C) The epididymis
D) The inguinal canal

Answer 3

Seminiferous tubules

Question 4

In which male sexual structure are immature sperm stored and readied for eventual emission?

A) Epididymis
B) Interstitial cells
C) Vas deferens
D) Seminal vesicle

Question 5

Healthy sperm production should have a scrotal temperature that is

A) higher than body temperature.
B) independent of body temperature.
C) lower than body temperature.
D) the same as body temperature.

Question 6

In which of the following situations would you predict a man's testes to hang low and away from his body?

A) During a romantic dinner date
B) During a typical college class
C) While in a sauna
D) While skiing

Question 7

Which of the following statements about male sexual self-examination is NOT accurate?

A) If detected early, the survival rate from testicular cancer is excellent.
B) It is best to perform the self-examination after a hot shower or bath.
C) Testicular cancer is relatively common among men aged over 50.
D) Testicular lumps are typically painless.

Question 8

If Nick is typical, he is probably most aroused by very gentle stimulation to the

A) shaft of the penis.
B) corpora cavernosa.
C) epididymis.
D) glans.

Question 9

Which of the following is located within the scrotum?

A) Corona
B) Glans
C) Frenulum
D) Vas deferens

Question 10

The two most sensitive areas of the penile glans are the

A) corona and frenulum.
B) foreskin and urethral opening.
C) frenulum and foreskin.
D) urethral opening and corona.

Question 11

What physiological process underlies erection of the penis?

A) Emptying of the epididymis
B) Engorgement of the corpora cavernosa and corpus spongiosum
C) Spasm of the cremasteric muscles
D) The build-up of fluid in the urethra

Question 12

What is meant by the "equalizing effect" of erections?

A) All men enjoy the sensation of erection equally.
B) No matter their normal social or economic status, men with longer penises have greater sexual abilities.
C) Shorter and narrower flaccid penises gain more in length and circumference than do longer and wider penises.
D) When erect, all penises are the same size.

Question 13

In the locker room, Jim notes that his penis appears smaller and narrower than those of many of the other men. If Jim is typical, what will happen when he is sexually aroused?

A) He is more likely to maintain an erection for a longer time compared to men with larger penises.
B) He will become erect more quickly and be able to maintain his erection for a longer time.
C) His smaller penis will be more sensitive than longer penises.
D) His smaller penis will gain more in length and circumference than will penises that are larger in a flaccid state.

Question 14

In male circumcision,

A) a minor surgical technique makes the penis appear fatter.
B) a small surgical incision is made in the frenulum.
C) phimosis occurs and the foreskin retracts.
D) the glans is exposed by surgically removing the foreskin.

Question 15

Semen contains all of the following substances EXCEPT

A) enzymes.
B) proteins.
C) smegma.
D) sperm.

Question 16

Both the seminal vesicles and the prostate gland

A) are important in producing and maintaining erections.
B) contribute much of the fluid that makes up semen.
C) produce secretions that provide lubrication.
D) secrete alkalis to neutralize the acids in the urethra.

Question 17

Which is the correct pathway for the sperm?

A) Testes, prostate, vas deferens, urethra
B) Testes, vas deferens, seminal vesicles, urethra
C) Testes, vas deferens, seminiferous tubules, urethra
D) Testes, vas deferens, ureter, urethra

Question 18

When Antonio and Tamara have intercourse, he often inserts his penis in her vagina until he feels that ejaculation is close. Then, he puts on a condom. Why is this behavior risky?

A) Preejaculatory fluids are meant to serve as a lubricant.
B) Preejaculatory secretions of the Cowper's glands often contain sperm.
C) Such behavior may cause semen to become thick and gelatinous.
D) The interruption in sexual arousal may reduce the motility of sperm.

Question 19

In males, FSH works to stimulate

A) Cowper's glands to produce preejaculatory fluid.
B) spermatocytes to produce sperm.
C) the prostate gland to secrete fluid.
D) the testes to produce testosterone.

Question 20

During intercourse, Nathan experiences orgasm, but no semen appears. His physician diagnoses his problem as retrograde ejaculation. This means that

A) muscles that normally close off the bladder fail to contract and semen enters the bladder.
B) no contractions have occurred in the muscles that surround the ejaculatory duct.
C) the erect penis has not sent a sufficient number of impulses to the ejaculatory center of the spinal cord.
D) the prostate and seminal vesicles fail to secrete their fluids, so no semen is created.

Question 21

Which of the following factors has NOT been hypothesized as a possible cause of reduced sperm counts?

A) Chemical pollutants in the environment
B) Differing methods of sperm count analysis
C) Frequent masturbation
D) Tobacco smoking

Question 22

The equivalent of menopause in men is called

A) free testosterone syndrome.
B) menarche.
C) testosterone replacement syndrome.
D) the male climacteric.

Question 23

Which of the following statements about midlife is NOT true?

A) Men do not lose the ability to reproduce and usually continue to produce sperm cells throughout their lives.
B) Men experience predictable changes in hormonal levels that have effects comparable to those experienced by women.
C) Stresses and physiological changes may feed into one another to produce the set of symptoms called the male climacteric.
D) Testosterone levels decline.

Question 24

A condition in which the penile foreskin is too tight to retract easily is known as _____________________.

Question 25

Sperm are stored in a coiled tubing network folded against the back and top part of each testis called the ____________________.

Question 26

The duct that transports sperm up to the seminal vesicle is called the _____________________.

Question 27

A disorder in which both testes are completely lacking at birth is called _____________________.

Question 28

The function of Cowper's glands is to secrete _____________________ fluid into the _____________________.

Question 29

The erectile cylinders in the shaft of the penis are called the ___________ ___________ and the ___________ ___________.

Question 30

The surgical procedure in which the foreskin is removed is called _____________________.

Question 31

The development of tough, fibrous tissue around the corpora cavernosa within the penis is called ___________ ___________.

Question 32

When semen enters the bladder instead of exiting through the penis, this is called a(n) ___________ ___________.

Question 33

Another term for the male midlife crisis is _____________________.

Question 34

A dry male orgasm, in which there is a total absence of semen is called_____________________.

Question 35

The interstitial cells produce FSH.

Question 36

The vas deferens transport sperm to the epididymis.

Question 37

The seminal vesicles secrete fluids that make up about 70 percent of semen.

Question 38

Suction devices used to enlarge the penis are perfectly safe.

Question 39

The medical problem known as phimosis is an unusually long and tight foreskin.

Question 40

Regular prostate examinations are generally recommended only when men reach the age of 60.

Question 41

As David goes about his normal daily activities, where are his mature sperm stored? Where will they go during sexual arousal?

Question 42

Why are hard plastic cup supporters recommended for male athletes?

Question 43

Discuss epididymitis and how it can be treated.

Question 44

What are the two most sensitive areas of the glans?

Question 45

Explain the function of cyclic GMP.

Question 46

What makes up semen?

Question 47

What is the average sperm count associated with the term infertility?

Question 48

Discuss changes in testosterone levels as a man ages.

Question 49

Describe similarities and differences between the penis and clitoris in sexual functioning.

Question 50

How would you explain the process of genital self-examination to a young man?

Question 51

Explain the physiological mechanisms that produce and maintain penile erection.