Deck 4: Male Sexual Anatomy and Physiology

Question 1

Male circumcision began among Jewish people as a

A)means to increase sexual pleasure.
B)way to increase health.
C)religious rite.
D)means to decrease the spread of sexually transmitted diseases.

Answer 1

C

Question 2

What specific cultural belief may contribute to men experiencing Koro in certain cultures?

A)The fear that one's genitals are being consumed by negative energy
B)The feared loss of male energy
C)The belief that masturbation is sinful
D)The fear of insulting the gods

Answer 2

B

Question 3

Which of the following is True regarding circumcision and AIDS?

A)In a study from Africa, circumcised men were slightly more likely to become infected with HIV than uncircumcised men.
B)In a study from Africa, uncircumcised men were more likely to become infected with HIV than circumcised men.
C)Across studies, circumcision is not related to the risk of contracting HIV.
D)Circumcision relates to risk of HIV infection in Africa only. They are not related in other areas of the world.

Answer 3

B

Question 4

The human penis contains

A)bones.
B)muscles.
C)spongy tissue.
D)All of the above

Question 5

Which of the following statements is True of BOTH males and females?

A)In both males and females, only two columns of spongy tissue engorge the penis or the clitoris.
B)The shaft of the penis and the shaft of the clitoris are approximately equal in length, though the clitoris is internal.
C)Crura anchor both the penis and the clitoris to the pelvic bones.
D)The corona in males is analogous to the prepuce in females.

Question 6

For most men, the part of the penis that is MOST sexually sensitive to stimulation is

A)the underside of the scrotum.
B)the corpora cavernosa.
C)the epididymis.
D)the penile glans.

Question 7

Which cylinder of tissue runs along the bottom surface of the penis?

A)Corpus spongiosum
B)Corpora cavernosa
C)Frenulum
D)Cloaca

Question 8

The penis consists of how many cylinders of tissue?

A)One
B)Two
C)Three
D)Four

Question 9

The corpora cavernosa

A)separate the glans from the shaft of the penis.
B)are cylinders of spongy tissue that lie side by side in the penis.
C)are thin strips of tissue on the underside of the penis.
D)are the muscles that regulate the position of the testes.

Question 10

The spongy body that runs along the bottom, or ventral, surface of the penis is the

A)corpus spongiosum.
B)urethral meatus.
C)corpora cavernosa.
D)corona.

Question 11

When a man has an erection, which parts of his penis become engorged with blood?

A)Urethra and frenulum
B)Frenulum and corpus spongiosum
C)Urethra and corpora cavernosa
D)Corpora cavernosa and corpus spongiosum

Question 12

The culture-bound syndrome in which a man believes his penis is shrinking and retracting inside his body is called

A)penis captivus.
B)disappearing penis.
C)Koro.
D)castration anxiety.

Question 13

Which of the following correctly lists the parts of a man's penis from the top (furthest from his body) to the bottom (where the penis connects to his body)?

A)Glans, meatus, corona, root, shaft
B)Glans, corona, shaft, meatus, root
C)Corona, glans, meatus, shaft, root
D)Meatus, glans, corona, shaft, root

Question 14

The cheese-like, foul smelling secretion that can collect under the foreskin is called

A)crura.
B)smegma.
C)corona.
D)prepuce.

Question 15

All of the following descriptions of historical beliefs about male genitalia are True EXCEPT which one?

A)Ancient Chinese men believed they could increase their yang energy through sexual contact with younger men.
B)Several ancient societies used phallic symbols and showed aspects of phallic worship in their arts and crafts.
C)Ancient Romans held the testicles in high regard, literally holding them when swearing to tell the truth.
D)Currently, men who have larger penises sometimes receive respect from their male peers.

Question 16

In male circumcision, what part of a male's body is removed?

A)Frenulum
B)Glans
C)Corona
D)Foreskin

Question 17

Circumcision of a male results in the removal of what part of the penis?

A)The corpora cavernosa
B)The frenulum
C)The foreskin
D)The corona

Question 18

The side-by-side cylinders in the male penis that stiffen during arousal are the

A)corpus spongiosum.
B)corpora cavernosa.
C)muscles of the penis.
D)glans penis.

Question 19

Koro is a disorder primarily experienced by men in which of the following countries?

A)China
B)India
C)Saudi Arabia
D)All of the above

Question 20

Which of the following is True regarding circumcision in other cultures?

A)Circumcision rater are higher in Latin American countries.
B)Circumcision rates are higher in Muslim countries.
C)Circumcision is rare in African countries.
D)Circumcision is rare in North American countries.

Question 21

The head of a spermatozoon houses the

A)tail piece.
B)ova.
C)spermatocytes.
D)chromosomes.

Question 22

Which of the following correctly lists the developmental steps of spermatogenesis?

A)Spermatocytes, spermatids, spermatozoa
B)Spermatids, spermatocytes, spermatozoa
C)Spermatocytes, spermatozoa, spermatids
D)Spermatozoa, spermatocytes, spermatids

Question 23

In the scrotum, each testicle hangs from a(n)

A)interstitial cell.
B)dartos muscle.
C)vas deferens.
D)spermatic cord.

Question 24

The average erect penis is about

A)3-4 inches in length.
B)4-6 inches in length.
C)5-7 inches in length.
D)6-8 inches in length.

Question 25

In a male sex organs, testosterone is secreted by the

A)Cowper's glands.
B)seminiferous tubules.
C)epididymus.
D)interstitial cells.

Question 26

During the last year, Davis noticed that he started to grow facial hair and is now able to sing lower notes in choir. These characteristics are caused by

A)FSH.
B)androstenedione.
C)his penis size.
D)testosterone.

Question 27

Typically, how much cooler than body temperature is scrotal temperature?

A)1-3 degrees F
B)5-6 degrees F
C)8-10 degrees F
D)12-13 degrees F

Question 28

Which of the following is True regarding penis size and ability to satisfy a woman sexually?

A)Most women do not mention penis size as an important element in their sexual satisfaction.
B)There is a positive relationship between penis size and the man's ability to sexually satisfy a woman.
C)Penis size is less important than the ability to communicate but more important than the emotional atmosphere of the relationship.
D)Penis size is important to women over the age of 35.

Question 29

Spermatogenesis takes place in the

A)seminiferous tubules.
B)Leydig cells.
C)epididymus.
D)vas deferens.

Question 30

The average human male produces about

A)25 sperm per second.
B)250 sperm per second.
C)500 sperm per second.
D)1,000 sperm per second.

Question 31

The scrotum

A)houses and protects the testes.
B)produces immature sperm cells.
C)produces seminal fluid.
D)transports sperm into a man's body.

Question 32

Why can frequently taking very hot baths affect a man's fertility?

A)It creates the ideal temperature for sperm production.
B)It keeps a man's testes close to the body where they are well protected.
C)It raises the temperature of the scrotum, which decreases sperm production.
D)It contracts the scrotum and testes, decreasing sperm production.

Question 33

Which the following hormones stimulates the secretion of testosterone in the male reproductive system?

A)Follicle stimulating hormone (FSH)
B)Dihydrotestosterone
C)Luteinizing hormone (LH)
D)Estradiol

Question 34

In men, when blood levels of testosterone rise

A)the pituitary gland secretes LH.
B)the hypothalamus secretes LH.
C)the pituitary gland stops secreting LH.
D)the hypothalamus starts secreting LH-RH.

Question 35

The correct sequence regarding the path that sperm take on their journey out of a man's body is

A)testes, vas deferens, urethral opening, epididymus.
B)testes, epididymus, vas deferens, urethral opening.
C)epididymus, vas deferens, prostate, urethra.
D)vas deferens, testes, urethra, ejaculatory duct.

Question 36

When Yao jumps into the cold swimming pool, his testicles seem to move up and closer to his body. Why?

A)His vas deferens and dartos muscles are contracting in response to the cold.
B)His cremaster and dartos muscles are contracting to keep his testes warm.
C)His spermatic cord is relaxing in order to keep his sperm warm.
D)His dartos muscle is contracting in order to cool his sperm.

Question 37

Compared to sex hormones levels in females, testosterone levels in males

A)peak just prior to ejaculation.
B)remain relatively stable.
C)also vary depending on the time of day and time of month.
D)are not regulated by the hypothalamus.

Question 38

What is the length of time it takes for a teste to develop a mature sperm?

A)72 hours
B)4 days
C)14 days
D)72 days

Question 39

When the foreskin does not retract from the glans, the condition is called

A)phimosis.
B)urethritis.
C)cremasteritis.
D)frenulitis.

Question 40

In hot weather, a man's scrotum will

A)be more wrinkled in appearance and closer to the body.
B)be smoother in appearance and closer to the body.
C)be more wrinkled in appearance and farther from the body.
D)be smoother in appearance and farther from the body.

Question 41

Surgical sterilization of males involves

A)cutting the seminiferous tubules.
B)tying off the ejaculatory ducts.
C)tying off the epididymus.
D)cutting the vas deferens.

Question 42

The main function of the epididymus is

A)to manufacture sperm.
B)to release testosterone.
C)to house sperm while they finish maturing.
D)to provide passage out of the scrotum.

Question 43

The volume of ejaculate for a man who has had a vasectomy will be ________ before the vasectomy.

A)slightly less than
B)about the same as
C)slightly more than
D)much less than

Question 44

During sexual arousal, which gland(s) secrete pre-ejaculatory fluid?

A)Prostate
B)Seminal vesicles
C)Testes
D)Cowper's glands

Question 45

The ejaculatory duct

A)produces fluid that becomes part of semen.
B)directs sperm cells to the epididymis.
C)directs semen to the urethra.
D)produces sperm cells.

Question 46

Which of the following is True for men with vasectomies?

A)They ejaculate about as much semen as before the vasectomy.
B)They ejaculate a puff of smoke.
C)They are instructed to consume extra liquids to ensure a plentiful ejaculate.
D)They ejaculate about half as much as before.

Question 47

Which gland secretes enough fluids to make up about 70% of semen volume?

A)Cowper's gland
B)Prostate gland
C)Pituitary gland
D)Seminal vesicle

Question 48

The seminal vesicles contribute

A)a milky alkaline fluid to semen.
B)testosterone to developing spermatids.
C)a fluid containing fructose to semen.
D)a fluid rich in protein to semen.

Question 49

In aging males, a drop in testosterone levels may be connected to

A)reduced testicular size.
B)a rise in bone mass.
C)a reduction in body fat.
D)a reduction in muscle mass.

Question 50

What structure transports sperm from a man's scrotum into his abdomen?

A)Vas deferens
B)Prostate
C)Urethra
D)Seminal vesicles

Question 51

An age-related decline in testosterone levels in men causes all of the following EXCEPT

A)reduced energy.
B)lowered fertility.
C)termination of virility.
D)reduced erectile ability.

Question 52

Which of the following is True regarding andropause?

A)Andropause is a gradual decline in a man's production of male sex hormones.
B)The scientific community is undecided about the existence of andropause.
C)Andropause has been found only in men who have been circumcised.
D)Andropause is a sudden decline in sex hormones experienced by some men.

Question 53

The alkaline nature of prostate fluid

A)helps to neutralize the acidity of the vagina.
B)help to neutralize the acidity of sperm.
C)matches the alkalinity of the vagina.
D)helps to activate the motility of sperm.

Question 54

Sperm may find their way to the egg by specialized

A)touch receptors.
B)smell receptors.
C)light receptors.
D)taste receptors.

Question 55

The epididymus empties into the

A)urethra.
B)testes.
C)vas deferens.
D)prostate gland.

Question 56

Tom and Katie use the withdrawal method for birth control. What should Tom and Katie know?

A)They are safe as long as Tom has ejaculatory control.
B)Pre-ejaculatory fluid can contain viable sperm.
C)They are safe as long as Tom does not ejaculate at or near the vaginal opening.
D)Pregnancy cannot occur as long as the penis is withdrawn prior to ejaculation.

Question 57

In the male reproductive system, the seminal vesicles join the ________ before emptying into the ________ .

A)bladder; prostate
B)vas deferens; prostate
C)epididymis; vas deferens
D)prostate; urethra

Question 58

The ejaculatory duct

A)produces fluid that becomes semen.
B)directs semen to the urethra.
C)produces mature sperm cells.
D)guides sperm cells to the epididymis.

Question 59

The thick clear fluid that appears on the tip of the penis during sexual arousal is produced by the

A)Cowper's gland.
B)vas deferens.
C)epididymis.
D)prostate gland.

Question 60

The scrotum contains the following male reproductive organs EXCEPT which one?

A)Seminal vesicles
B)Seminiferous tubules
C)Spermatic chords
D)Epididymis

Question 61

Which of the following is NOT a sign of testicular cancer?

A)Pain during ejaculation
B)Dull ache in the groin
C)Sensation of heaviness in a testicle
D)Change in the consistency of a testicle

Question 62

Which is NOT True of a digital rectal examination (DRE) of the prostate for men?

A)It is a good way to detect cancer of the testes.
B)It is mildly uncomfortable.
C)The physician inserts a finger into the rectum.
D)Some men resist it since they associate rectal insertion with male-male sex.

Question 63

Which of the following symptoms may occur with enlarged prostate?

A)Urinary frequency and urgency
B)Pain in the urethra
C)A bloody discharge from the urethra
D)Pain in a testicle

Question 64

Prostatitis is usually treated with

A)surgery.
B)radiation.
C)antibiotics.
D)abstinence from intercourse.

Question 65

Which of the following statements about urethritis is correct?

A)Urethritis primarily affects only men due to the exposure of the urethra externally.
B)Urethritis primarily affects only women, with men rarely showing symptoms.
C)Both men and women can contract urethritis.
D)Urethritis can be more serious in men than in women.

Question 66

A blood test can help doctors assess a man's risk of prostate cancer by measuring his

A)level of trans-Wolffian antigen (TWA).
B)level of progesterone-blocking antibodies (PBA).
C)level of prostate-specific antigen (PSA).
D)prostate fluid volume (PFV).

Question 67

The best way for a man to conduct a testicular self-examination is

A)to examine each teste by quickly applying a very hard squeeze.
B)to check for prostate swelling.
C)push the testes upward into the body cavity.
D)to perform it after a warm bath or shower.

Question 68

Which of the following did the authors suggest may contribute to prostate health in men?

A)Drinking plenty of water throughout the day
B)Regular ejaculation
C)Stimulation of the prostate through the rectal wall
D)Drinking cranberry juice

Question 69

The American Cancer Society estimates that ________ will develop prostate cancer.

A)one of every two men
B)one of every six men
C)one of every 100 men
D)one of every 10,000 men

Question 70

On average, a man's ejaculate contains how many sperm?

A)50,000 to 80,000
B)500,000 to 1 million
C)200 to 400 million
D)600 million to 1 billion

Question 71

Cancer of the testes

A)is the second most common cancer among males over 40.
B)accounts for nearly 2/3 of all deaths from cancer in men between 20-34.
C)often occurs along with prostate cancer.
D)is relatively rare.

Question 72

Which of the following is NOT a symptom of prostate cancer?

A)Urinary frequency
B)Blood in the stools
C)Pain in the lower back
D)Painful urination

Question 73

Benign prostatic hyperplasia is believed to be the result of

A)sexually transmitted diseases.
B)hormonal changes associated with aging.
C)enlargement of the urethra.
D)cancer of the prostate.

Question 74

Regarding a man's prostate health, PSA is a

A)protein that combines with testosterone to promote growth of the testes.
B)protein that helps produce a liquid that transports sperm when it is ejaculated.
C)protein that indicates a diseased prostate.
D)type of rectal exam that detects an enlarged prostate.

Question 75

Which of the following components of ejaculate account for the LEAST amount of the total volume of ejaculate?

A)Sperm
B)Prostate fluid
C)Seminal vesicle fluid
D)Cowper's glands' secretions

Question 76

Hakeem is experiencing a strong need to urinate and burning during urination. Hakeem may have

A)urethritis.
B)prostate cancer.
C)penile cancer.
D)cryptorchidism.

Question 77

Which of the following statements isTrue about testicular cancer?

A)It is generally fatal.
B)The survival rate before the cancer has spread beyond the testes is about 50%.
C)Generally, the prognosis is quite favorable.
D)It is usually treated with strong steroids, which arrest the spread of the cancer.

Question 78

A preventative measure for urethritis is to

A)drink less water to urinate less.
B)drink cranberry juice.
C)lower the intake of sodium.
D)increase caffeine to increase urination.

Question 79

Each of the following is an accurate statement about prostate cancer EXCEPT which statement?

A)Intake of animal fat maybe a risk factor.
B)The incidence increases with age.
C)It appears to have a genetic factor.
D)High levels of testosterone appear to be a natural defense.

Question 80

The National Cancer Institute (2012) found no clear connection between prostate cancer and

A)smoking.
B)alcohol use.
C)obesity
D)All of the above