Deck 4: Male Sexual Anatomy and Physiology

Question 1

Average scrotal temperature is several degrees: ​

A)lower than external environment temperature.
B)higher than external environment temperature.
C)lower than body temperature.
D)higher than body temperature.

Answer 1

C

Question 2

Penile erection is caused by . . . ​

A)movements of the penile bone.
B)contractions of powerful muscles on the underside of the penis.
C)increased blood flow to the cavernous and spongy bodies within the penis.
D)contractions in the lining of the endometrium.

Answer 2

C

Question 3

Ejection of urine and semen through the urethra is accomplished by the action of the: ​

A)network of muscles at the base of the penis.
B)glans.
C)fibrous tissue.
D)cavernous bodies.

Answer 3

A

Question 4

Which one is TRUE concerning the penis? ​

A)The glans, or penis head, has many nerve endings.
B)The portion of the penis that is inside the pelvis is called the epididymus.
C)Exercises can strengthen the muscles in the shaft of the penis.
D)Six cylinders run the entire length of the penis.

Question 5

Castration . . .

A)refers to the surgical removal or surgical splitting of the foreskin.
B)was unknown in the ancient world.
C)has been performed in modern times for legal reasons such as to reduce the risk a sexual predator might reoffend.
D)is a minor, easily reversible procedure.

Question 6

All of the following are components of the penis EXCEPT the: ​

A)spongy body.
B)glans.
C)shaft.
D)interstitial cells.

Question 7

The penis is most sensitive in the area(s)of the . . . ​

A)foreskin.
B)vas deferens and epididymus.
C)root and perineum.
D)corona and frenulum.

Question 8

Which of the following statements regarding Kegel exercises is FALSE? ​

A)A man locates the muscle by stopping the flow of urine several times while urinating.
B)Better ejaculatory control may be experienced as a result of doing these.
C)Women can do these exercises too.
D)Results will be noticed within one week of regular practice.

Question 9

The foreskin is also referred to as the: ​

A)glans.
B)prepuce.
C)corona.
D)frenulum.

Question 10

Which one is NOT true concerning male genital self-examination? ​

A)This may enable early detection of penile cancer.
B)One danger sign is to have testicles that vary in size.
C)A good time to conduct such an exam is after a hot shower.
D)A small hard mass may be an early sign of testicular cancer.

Question 11

At the head of the penis, a spongy body expands to form the:

A)cavernous bodies.
B)glans.
C)shaft.
D)interstitial cells.

Question 12

Which of the following statements regarding male circumcision is TRUE? ​

A)It is practiced for religious as well as hygienic reasons.
B)Circumcision was first known to be practiced in the mid-18th century.
C)Circumcision is relatively uncommon in Middle Eastern and African societies.
D)Superincision is the most common form of circumcision in the United States.

Question 13

The thin strip of skin connecting the glans to the shaft on the underside of the penis is known as the: ​

A)spongy body.
B)prepuce.
C)corona.
D)frenulum.

Question 14

Which of the following is NOT one of the benefits of doing Kegel exercises?

A)Increased pelvic sensation
B)Increased ejaculatory control
C)More rapid erection
D)Stronger orgasm

Question 15

The scrotum moves closer to and farther away from the body in order to . . . ​

A)regulate the flow of blood within the cavernous bodies.
B)reduce myotonia during sexual arousal.
C)regulate testicular temperature to ensure successful sperm production.
D)improve cellular reception.

Question 16

A man is having difficulty with premature ejaculation. One strategy he could use in order to deal with this problem would be to: ​

A)practice Kegel exercises.
B)reduce his caffeine intake.
C)practice retrograde ejaculation.
D)exercise his cremasteric muscle.

Question 17

Undescended testes remain at the internal body temperature, which is: ​

A)too high for normal sperm production.
B)too low for normal sperm production.
C)too high for normal sperm motility.
D)too low for normal sperm motility.

Question 18

Which of the following statements regarding circumcision is FALSE?

A)Records indicate that circumcision has taken place for thousands of years.
B)In some cultures, a form of circumcision takes place when a boy reaches adolescence.
C)Circumcision is a common practice in the United States.
D)Circumcision is widely practiced in Europe.

Question 19

Structures within the penis that engorge with blood during sexual excitement are called . . . ​

A)cavernous bodies.
B)fimbriae.
C)oophernotomies.
D)testes.

Question 20

The shaft of the penis is primarily composed of . . .

A)muscle, tendon, and bone.
B)adipose tissue, myelin sheaths, and glia cells.
C)nerves, blood vessels, and spongy tissues.
D)cartilage.

Question 21

The spermatic cord contains the:

A)vas deferens.
B)seminal vesicles.
C)prostate gland.
D)Cowper's glands.

Question 22

The condition whereby one or both testicles fail to descend from the abdominal cavity to the scrotal sac is called: ​

A)cryptorchidism.
B)phimosis.
C)testicular retraction.
D)prostatitis.

Question 23

The tunica dartos, which is composed of smooth muscle fibers and fibrous connective tissue, is an inner layer of the: ​

A)penis.
B)vas deferens.
C)scrotum.
D)prostate gland.

Question 24

The primary function of the epididymis is to:

A)produce sperm.
B)store urine.
C)store sperm.
D)produce seminal fluid.

Question 25

All of the following are found in the scrotal sac EXCEPT the: ​

A)testicles.
B)spermatic cord.
C)cremasteric muscle fibers.
D)Cowper's glands.

Question 26

Sperm is manufactured in the ____ and stored in the ____. ​

A)seminiferous tubules; epididymis
B)interstitial cells; prostate gland.
C)epididymis; seminiferous tubules
D)prostate gland; seminal vesicles.

Question 27

The term "hidden testis" refers to: ​

A)premature ejaculation.
B)penile cancer.
C)prostate cancer.
D)cryptorchidism.

Question 28

Which of the following is FALSE regarding the spermatic cord? ​

A)Men can locate this by palpitating the scrotal sack above the testis.
B)It contains the vas deferens, nerves, blood vessels, and cremasteric muscle fibers.
C)It conducts sperm through the urethra and out through the tip of the penis.
D)Men can learn to contract it voluntarily.

Question 29

Which of the following is TRUE regarding human sperm production? ​

A)Males are born with about 2 million sperms, 300-500 of which eventually mature.
B)Sperm production requires a temperature several degrees lower than the internal body temperature.
C)About 50-100 sperms are produced each month.
D)Sperms are produced primarily in the seminal vesicles.

Question 30

A comma-shaped structure lying over the testes, which stores sperm cells while they mature, is called the . . . ​

A)seminiferous tubules.
B)epididymis.
C)testimaculus.
D)vas deferens.

Question 31

All of the following stimuli may cause the scrotum to draw closer to the body EXCEPT: ​

A)​​ sexual arousal.
B)warm temperatures.
C)​sudden fear.
D)stroking the inner thighs.

Question 32

The major sources of androgens in the male are the: ​

A)interstitial cells.
B)bulbourethral glands.
C)seminal vesicles.
D)cavernous bodies.

Question 33

Which of the following statements regarding sperm production is FALSE? ​

A)It takes place within the seminiferous tubules.
B)It usually begins after the onset of puberty.
C)It normally creates enough sperm to constitute approximately 70% of the seminal fluid.
D)It usually continues until death.

Question 34

All of the following structures are associated with the testes EXCEPT the: ​

A)cremasteric muscle.
B)seminiferous tubules.
C)frenulum.
D)epididymis.

Question 35

The route that the testes take as they move from the abdomen to the scrotum is called the:

A)cremasteric canal.
B)testicular tunnel.
C)scrotal canal.
D)inguinal canal.

Question 36

A vasectomy is a surgical procedure involving the: ​

A)epididymis.
B)vas deferens.
C)penis shaft.
D)foreskin.

Question 37

Thin, highly coiled structures located within the testis and responsible for sperm production are the: ​

A)seminiferous tubules.
B)interstitial cells.
C)cavernous bodies.
D)spongy tissue.

Question 38

The cremasteric muscle fibers: ​

A)are the structures primarily responsible for penile erection.
B)are located at the base of the prostate gland.
C)may be contracted by stroking the inner thighs.
D)cause the testicles to move away from the body when contracted.

Question 39

Evidence suggests that the epididymis serves primarily as a storage chamber where sperm cells undergo additional maturing, or ripening, for a period of several: ​

A)hours.
B)days.
C)weeks.
D)months.

Question 40

Which of the following statements regarding cryptorchidism is FALSE? ​

A)15-25% of premature male infants are born with this condition.
B)This condition sometimes corrects itself.
C)Infertility may be a consequence of this condition.
D)This condition is often associated with increased risk of developing testicular cancer.

Question 41

Ejaculation: ​

A)occurs in five stages.
B)is synonymous with orgasm.
C)is basically a psychological response.
D)usually takes three to ten seconds in the expulsion phase.

Question 42

When a man becomes sexually aroused, the Cowper's glands secrete a fluid: ​

A)that is acidic in nature.
B)that may contain active sperm.
C)that functions as a vaginal lubricant during intercourse.
D)that is released during the emission phase of ejaculation.

Question 43

In ____, semen is expelled into the bladder. ​

A)spermatogenesis
B)retrograde ejaculation
C)penile inhibition
D)seminal retraction

Question 44

Wet dreams are also known as: ​

A)hot flashes.
B)nocturnal emissions.
C)retrograde ejaculation.
D)sphincter retraction.

Question 45

Juan, who is in his mid-50s, thinks he is experiencing orgasm, but nothing comes out of his penis. Later, when Juan urinates, he notices that his urine is cloudy. Juan . . . ​

A)is experiencing normal sexual functioning for a man his age.
B)should immediately go to the nearest hospital emergency room.
C)should discuss this with his doctor, because it could be a sign of a health problem.
D)should not notice any decrease in his ability to father a child due to this condition.

Question 46

The major portion of seminal fluid comes from the: ​

A)prostate gland.
B)Cowper's glands.
C)vas deferens.
D)seminal vesicles.

Question 47

The seminal vesicles produce what proportion of semen? ​

A)10%
B)20%
C)50%
D)70%

Question 48

The vas deferens: ​

A)is a tube through which urine passes from the bladder to the outside of the body.
B)is located inside the penis.
C)is the tube that is severed in a vasectomy.
D)is where sperm production takes place.

Question 49

"Ejaculatory inevitability" occurs during: ​

A)the expulsion phase.
B)the emission phase.
C)the rapid-eye movement stage.
D)nocturnal emission.

Question 50

Which of the following BEST describes Cowper's glands secretions? ​

A)They buffer the acidity of the urethra and facilitate the flow of semen through the urethra.
B)By definition they cannot contain active sperm.
C)They help to lubricate the vagina.
D)They make up the largest portion of the fluid in semen.

Question 51

The seminal vesicles secrete an alkaline fluid that is rich in: ​

A)enzymes.
B)citric acid.
C)fructose.
D)ascorbic acid.

Question 52

Occasionally a male will experience orgasm without direct genital stimulation. The MOST familiar of these occurrences is called:

A)REM expulsion.
B)insomnial emission.
C)ejaculatory expulsion.
D)nocturnal emission.

Question 53

Retrograde ejaculation may occur as a result of all of the following EXCEPT: ​

A)prostate surgery.
B)the use of certain drugs.
C)a congenital abnormality.
D)doing Kegel exercises.

Question 54

The ____ is located at the base of the bladder and secretes about 30% of the seminal fluid released during ejaculation. ​

A)vas deferens
B)bulbourethral gland
C)seminal vesicle
D)prostate gland

Question 55

Sperm comprise approximately ____ percent of total semen volume. ​

A)1%
B)10%
C)46%
D)about 63%

Question 56

The amount of fluid a male ejaculates can be affected by . . . ​

A)age.
B)duration of sexual arousal.
C)time elapsed since last ejaculation.
D)All of the above.

Question 57

At the beginning of its journey from the testis, a sperm cell is transmitted through an elaborate system of ducts by the continuous movement of:

A)cilia.
B)lipids.
C)blood.
D)urethral sphincters.

Question 58

Both ejaculatory ducts and the urethra pass through the:

A)Cowper's glands.
B)prostate gland.
C)testes.
D)epididymis.

Question 59

The Cowper's glands are located: ​

A)at the base of the bladder.
B)adjacent to the seminal vesicles.
C)on either side of the urethra.
D)on either side of the vas deferens.

Question 60

Which of the following statements regarding the male ejaculate is TRUE? ​

A)The fluid is dangerous if swallowed, even if the man does not have a STI.
B)It is primarily comprised of sperm.
C)The amount of fluid a man ejaculates is approximately three tablespoons.
D)It consists of fluids that come from multiple glands, including the seminal vesicles and prostate.

Question 61

Circumcision . . . ​

A)has no known health benefits.
B)is performed on about 80% of newborn male babies worldwide.
C)nearly always results in dramatically reduced sexual sensitivity.
D)can cause hemorrhage, infection, and psychological trauma.

Question 62

The ____ of the penis can be retracted, and circumcision involves the permanent removal of this sleeve of skin. ​

A)glans
B)frenulum
C)foreskin
D)crura

Question 63

Arguments against routine circumcision include which of the following? ​

A)Circumcision increases the likelihood of acquiring viruses.
B)Data by Masters and Johnson suggest that the uncircumcised experience more sexual pleasure.
C)Circumcision should be reserved for groups wishing to use it for religious reasons.
D)Infants experience pain and some health risks when circumcised.

Question 64

Research has shown that penis size is directly related to: ​

A)age at puberty.
B)height.
C)set point weight.
D)none of the above.

Question 65

In order for the penis to become erect, which of the following must occur? ​

A)Swelling of the penis bone
B)Stiffening of the spermatic cord
C)Accumulation of blood in the spongelike tissues of the three erectile cylinders
D)Activation of the penis muscle fibers must exceed threshold

Question 66

A man wakes up in the morning with an erection. Which of the following would be LEAST likely to be associated with this?

A)He has a full bladder.
B)He has just completed a REM stage of sleep.
C)He has been dreaming about his lover.
D)His lover has been kissing him while he was asleep.

Question 67

Which of the following is NOT true of penile augmentation? ​

A)The surgery is considered elective or cosmetic.
B)Additional thickness or girth may be added by tissue grafts taken from other body areas.
C)No controlled studies as of date have validated methods of penile augmentation.
D)The surgery is considered safe and is rarely associated with complications or dissatisfaction.

Question 68

The medical specialty that addresses male reproductive health is called . . . ​

A)gerontology.
B)obstetrics.
C)urology.
D)andrology.

Question 69

Research regarding penis size indicates that: ​

A)women need a large penis to be adequately stimulated.
B)a large penis is not necessary for female sexual pleasure during coitus.
C)a circumcised penis is longer than an uncircumcised penis.
D)Nearly all men are content with the size of their penis.

Question 70

Datuk is convinced his penis is shrinking and retreating into his body, which he thinks will eventually result in his death. Datuk believes he is experiencing . . .

A)kvetching flashing. ​
B)cryptorchidism.
C)andropause.
D)genital retraction syndrome.

Question 71

During the expulsion phase of ejaculation: ​

A)the collected semen is expelled into the bladder.
B)the prostate, seminal vesicles, and ampulla undergo contractions.
C)the collected semen is expelled out of the penis.
D)pre-cum is expelled through the urethra.

Question 72

During the ____ phase of ejaculation, a man will usually experience the "point of no return." ​

A)emission
B)retrograde
C)expulsion
D)rapid-eye movement

Question 73

Erections . . . ​

A)occur only after puberty.
B)by definition cannot occur during REM sleep.
C)sometimes occur spontaneously, without sexual stimulation.
D)result from the action of muscles within the penis.

Question 74

Samia and Kwame are wondering if they should have their new baby boy, Paa, circumcised. Having Paa circumcised… ​

A)represents no risk of infection, as newborns generally have much stronger immune systems than older children or adults.
B)would make it significantly more difficult for Paa to keep his penis clean.
C)may decrease Paa's risk of contracting HIV.
D)would be strongly opposed by Simba's physician, because the World Health Organization currently advocates circumcision only for females.

Question 75

Which of the following statements concerning penile erection is FALSE? ​

A)It is a process coordinated by the parasympathetic division of the autonomic nervous system.
B)The capacity for erection is present at birth.
C)Nighttime erections occur during the rapid-eye movement stage of sleep.
D)Morning erections occur as the result of a full bladder.

Question 76

A condition known as ____ exists when a man has an extremely tight foreskin. ​

A)cremasteric constriction
B)phimosis
C)cryptorchidism
D)glans constriction

Question 77

Brian is having surgery performed, which involves making an incision at the base of his penis and severing the ligaments that attach the penile root to the pelvic bone. Brian is MOST likely having this surgery performed for which of the following reasons? ​

A)To treat penile cancer
B)To treat testicular cancer
C)To treat phimosis
D)To cosmetically augment his penis size

Question 78

Which of the following is true regarding penis size? ​

A)Many safe and successful treatments, both chemical and surgical, are currently available to increase penis size.
B)Smaller penises tend to increase in size more during erection than larger ones.
C)Most erect penises are between eight and twelve inches in length.
D)Most women report being more aroused and having greater sexual response to men with larger penises.

Question 79

Which of the following is NOT true concerning erections? ​

A)They sometimes occur in infant boys.
B)They are solely a physiological response.
C)They may be enhanced by fantasies.
D)They result from the penis engorging with blood.

Question 80

A cheesy substance known as ____ can accumulate under the prepuce of the penis, causing discomfort and possible infection. ​

A)smegma
B)preputial discharge
C)phimonal abscess
D)frenulum fungus