Deck 4: Male Sexual Anatomy, Physiology, and Response

Question 1

All of the following are parts of the penis EXCEPT the

A)glans.
B)root.
C)shaft.
D)bone.

Answer 1

D

Question 2

The 1,000 tiny compressed tubes within each testis where sperm production takes place are called

A)seminal vesicles.
B)seminiferous tubules.
C)renal tubules.
D)vas deferens.

Answer 2

B

Question 3

The seminiferous tubules within each testes merge to form the

A)corpus spongiosum.
B)scrotum.
C)prostate gland.
D)epididymis.

Answer 3

D

Question 4

A triangular area of sensitive skin that attaches to the glans of the foreskin is called the

A)vas deferens.
B)frenulum.
C)perineum.
D)crura.

Question 5

The frenulum is

A)the rim at the tip of the penis.
B)the loose skin covering the shaft of the penis.
C)the triangular area on the underside of the penis.
D)a gland under the foreskin.

Question 6

Male and female reproductive structures

A)develop from the same embryonic tissue.
B)are different from the moment of conception.
C)are determined by the acidity level encountered by the sperm.
D)begin to develop after the sixth month of gestation.

Question 7

Which of the following is related to the size of a man's penis?

A)hands
B)feet
C)nose
D)none of these

Question 8

The penis becomes erect as a result of

A)exposure of the penile bone.
B)muscle tension.
C)filling with blood.
D)skin contraction.

Question 9

The part of the penis that may be most sensitive to stimulation is the

A)scrotum.
B)testicles.
C)epididymis.
D)glans.

Question 10

When a boy is circumcised,the

A)foreskin is removed.
B)frenulum is enhanced.
C)scrotum is removed.
D)perineum is stretched to form a new hood.

Question 11

What part of a male's penis is surgically removed by circumcision?

A)the glans
B)the prepuce
C)the crura
D)the frenulum

Question 12

Which of the following is part of the penis?

A)seminiferous tubules
B)corpus spongiosum
C)scrotum
D)epididymis

Question 13

The surgical removal of the foreskin of the penis is called

A)infibulation.
B)circumcision.
C)hysterectomy.
D)vasectomy.

Question 14

The prepuce when pulled back reveals the

A)glans.
B)clitoris.
C)endometrium.
D)testes.

Question 15

Since urine and semen both pass through the urethra,

A)there is often urine mixed with semen during an ejaculation.
B)men must make sure to urinate before having sex.
C)the urinary duct is blocked when the penis is erect.
D)men often have inferior intromissions.

Question 16

The two external structures of the male sexual anatomy are the

A)penis and the scrotum.
B)vas deferens and the testes.
C)scrotum and the testes.
D)epididymis and vas deferens.

Question 17

Beneath the foreskin are glands which produce

A)endolymph.
B)lochia.
C)chyle.
D)smegma.

Question 18

In all men,the glans is protected by the

A)urethrA.
B)frenulum.
C)crura.
D)none of the above.

Question 19

For uncircumcised men,an important aspect of sexual hygiene involves

A)washing beneath the foreskin.
B)pulling back the perineum and removing frenulum.
C)masturbation in order to reduce penile swelling.
D)washing the corona and removing the crura.

Question 20

Which of the following most likely determines the size of a man's penis?

A)height
B)race
C)musculature
D)heredity

Question 21

Which of the following structures is located in front of the rectum and produces about 30-35% of seminal fluid in the ejaculated semen?

A)seminal vesicles
B)prostate gland
C)epididymis
D)frenulum

Question 22

The two columns of erectile tissue which run along the front surface of the penis are called the

A)corpora cavernosA.
B)corpus spongiosum.
C)vas deferens.
D)seminiferous tubules.

Question 23

David is swimming in a cold swimming pool.His scrotum is likely to be

A)wrinkled and shrunken in appearance.
B)expanded and smoother looking.
C)paler than usual.
D)lightly pigmented.

Question 24

Jaden gets picked on at high school because of a physiological condition in which he has developed abnormal breast size.Which of the following is most likely the reason that has triggered his bodily condition?

A)His estrogen levels are higher compared with testosterone levels.
B)His testosterone production is higher than progesterone production in the body.
C)The lack of proper functioning of the Cowper's glands have caused the enlargement of breasts.
D)The inefficient functioning of the epididymis has caused this.

Question 25

The generic and inclusive term for the male hormone is

A)estrogen.
B)androgen.
C)gonadotrophin-releasing hormone (GnRH).
D)human chorionic gonadotrophine (hCG).

Question 26

Ken and Marie,who have parented two kids,decide not to have any more children.Ken decides to undergo a surgery where he is told that the tube which transports sperm from the testes to the urethra will be clipped.Which of the following surgeries will Ken most likely undergo?

A)mastectomy
B)vasectomy
C)hysterectomy
D)orchiectomy

Question 27

It is believed that the purpose of the secretions of the Cowper's glands is to

A)maintain erection of the penis until ejaculation.
B)buffer the acidic environment of the urethra.
C)maintain optimal testosterone levels.
D)help lubricate the shaft during masturbation.

Question 28

The thick,clear fluid that often appears on the tip of the penis before ejaculation is produced by the

A)Cowper's glands.
B)prostate gland.
C)seminal vesicles.
D)Leydig cells.

Question 29

Which of the following is normally cut during sterilization in men?

A)the vas deferens
B)the epididymis
C)the prepuce
D)the scrotum

Question 30

Which of the following is NOT a reason for erection of the penis?

A)feelings of anxiety
B)REM periods
C)sexual arousal
D)hypersensitivity

Question 31

The bulbourethral glands are also known as

A)Cowper's glands.
B)vas deferens.
C)Bartholin's glands.
D)corpora cavernosa.

Question 32

Which of the following refers to gynecomastia?

A)It refers to the swelling or enlargement of the male breast.
B)It refers to the incomplete development of the testicles.
C)It refers to the incomplete development of the penis.
D)It refers to the act of masturbation by women.

Question 33

Sixty percent of semen is made up of fluid from the

A)prostrate gland.
B)clitoris.
C)scrotum.
D)seminal vesicles.

Question 34

Which of the following is NOT an internal structure?

A)seminiferous tubules
B)epididymis
C)vas deferens
D)scrotum

Question 35

Which of the following muscles in the scrotum causes the testes to elevate?

A)cremaster
B)buccinator
C)dartos
D)risorius

Question 36

Which of these can cause the scrotal skin to wrinkle and pull the testicles closer to the body?

A)vitamin D
B)cold
C)heat
D)all of these

Question 37

Spermatogenesis takes place in the

A)scrotum.
B)crura.
C)seminiferous tubules.
D)vas deferens.

Question 38

The scrotum is

A)the male reproductive gland that produces hormones.
B)the pouch that holds the testicles.
C)the wrinkled protector of the glans.
D)the carrier of the sperm from the testis to the urethra.

Question 39

Which of the following statements about penis size is accurate?

A)The penis will diminish in size with infrequent opportunities for arousal.
B)The percentage of volume increase during erection is greater in bigger penises than smaller ones.
C)The primary determinant of penis size is heredity.
D)Penis size is positively correlated to body size.

Question 40

Oral stimulation of the anus is colloquially referred to as

A)fisting.
B)fellatio.
C)cunnilingus.
D)rimming.

Question 41

In men,which hormone triggers the pituitary gland during sperm production?

A)gonadotropin-releasing hormone (GnRH)
B)follicle-stimulating hormone (FHS)
C)oxytocin
D)relaxin

Question 42

Immature sperm are stored in the

A)vas deferens.
B)Leydig cells.
C)epididymis.
D)spermatide.

Question 43

The determining factor in the sex of a zygote comes from

A)the semen.
B)the sperm.
C)the ovum.
D)the oocyte.

Question 44

A steroid hormone synthesized from cholesterol that triggers the production of ?sperm is

A)estrogen.
B)testosterone.
C)human chorionic gonadotrophine (hCG).
D)gonadotropin-releasing hormone (GnRH).

Question 45

All of the following are male reproductive hormones EXCEPT

A)gonadotropin-releasing hormone (GnRH).
B)testosterone.
C)follicle-stimulating hormone (FSH).
D)prolactin.

Question 46

On an average,the volume of semen which is ejaculated at a time is about

A)ten fluid ounces.
B)three fluid ounces.
C)one tablespoonful.
D)one teaspoonful.

Question 47

Which of the following hormones is a protein hormone produced by men?

A)testosterone
B)prolactin
C)inhibin
D)progesterone

Question 48

Which hormone triggers the development of secondary sex characteristics in men such as growth of pubic hair and deepening of voice?

A)testosterone
B)estrogen
C)oxytocin
D)relaxin

Question 49

Jerome and Latoya are concerned about the relatively thin stream of semen that runs out of Latoya's vagina after intercourse.They are worried that Jerome's semen is not normal.What information and/or speculation can you offer from this?

A)Liquefied semen is an indication that the sperm is not mixing properly with the seminal fluid.Medical advice is needed.
B)Although semen tends to be thick immediately after ejaculation,it is normal for semen to liquefy shortly afterward.
C)The liquid they are encountering is mostly excess vaginal lubrication and female ejaculate.It can be cleaned up with a moist towelette.
D)This liquid indicates the vaginal environment is too acidic and therefore toxic to sperm.Daily yogurt applications may detoxify the environment and yield more viscous body fluids.

Question 50

Which of the following hormones stimulates testosterone production in the interstitial cells in men?

A)gonadotropin-releasing hormone (GnRH)
B)follicle-stimulating hormone (FSH)
C)luteinizing hormone (LH)
D)human chorionic gonadotropin (hCG)

Question 51

What conclusion can be drawn about the impact of testosterone on personality?

A)There exists a negative correlation between testosterone and male personality.
B)There is no relationship between testosterone levels and personality.
C)Because of fluctuating testosterone levels throughout the day,no research has been done on this interesting question.
D)Research findings about testosterone and personality are mixed.

Question 52

Hugh,a 22-year-old,finds that the tendency to get sexually aroused is higher as soon as he wakes up in the morning than during the evenings when he is exhausted after a day's work.Which of the following is the most likely reason for this?

A)low testosterone production in the early 20s in men
B)high estrogen levels in the morning
C)high testosterone levels in the morning
D)lack of physical activity in the morning

Question 53

Leydig cells are also known as

A)principal cells.
B)interstitial cells.
C)pericyte cells.
D)glial cells.

Question 54

Which of the following hormones increases sperm motility in men?

A)gonadotropin-releasing hormone (GnRH)
B)follicle-stimulating hormone (FSH)
C)oxytocin
D)relaxin

Question 55

Which of the following is NOT true about testosterone?

A)Testosterone is converted to estradiol by the brain.
B)Testosterone levels are at its peak in the morning.
C)Testosterone is primarily manufactured in the adrenal glands of men.
D)Testosterone influences bone and muscular development.

Question 56

Which of the following hormones stimulates sperm production in the testes?

A)luteinizing hormone (LH)
B)follicle-stimulating hormone (FSH)
C)human chorionic gonadotropin (hCG)
D)gonadotropin-releasing hormone (GnRH)

Question 57

The homologous organ to the corpus spongiosum is the

A)glans clitoris.
B)labia minora.
C)hymen.
D)ovary.

Question 58

The homologous organ to the labia majora is the

A)scrotum.
B)glans penis.
C)corpus spongiosum.
D)penile shaft.

Question 59

Which of the following organs is NOT likely to produce testosterone?

A)ovaries
B)testes
C)pituitary glands
D)adrenal glands

Question 60

How long does it take for sperm to form in the seminiferous tubules?

A)about 16 hours
B)about 20 minutes
C)2-3 weeks
D)64-72 days

Question 61

How many sperm will get as far as the fallopian tubes after a single ejaculation during intercourse?

A)Less than 1,000
B)More than 5,000
C)About 50,000
D)About 1.5 million

Question 62

The reasons for circumcision are rooted more in tradition and religious beliefs than in any firmly established health principles.

Question 63

Which expression most accurately describes the male and female sexual response ?cycles?

A)They are roughly the same.
B)They are very distinct from each other.
C)They involve different physiological processes.
D)They both exclude psychological factors.

Question 64

Which of the following events does NOT occur during the emission phase of ejaculation?

A)The epididymis sends sperm into the vas deferens.
B)The bladder's sphincter closes to prevent semen and urine from mixing.
C)The sphincter below the prostate closes.
D)The cremaster muscles relax.

Question 65

An especially sensitive part of the penis is the root.

Question 66

Franz is diagnosed as having retrograde ejaculation.This means that

A)his sperm count is getting lower and he may be infertile.
B)he is unable to ejaculate during intercourse.
C)he is unable to experience ejaculation and orgasm at the same time.
D)his semen passes into his bladder rather than out of his urethra.

Question 67

How many stages are involved in ejaculation?

A)1
B)2
C)3
D)4

Question 68

Which of the following is NOT an aspect of the male orgasm?

A)the release of urine
B)ejaculation of sperm
C)the release of tension
D)physical pleasure

Question 69

The shaft attaches the penis within the pelvic cavity.

Question 70

On an average,African American men have larger penises than Caucasian men.

Question 71

If a man occasionally fails to maintain an erection when he wants to,he

A)has a peculiar case of sexual dysfunction.
B)has the same problem as most other men.
C)is a transgender.
D)is a homosexual.

Question 72

Which of the following can cause erectile difficulties?

A)diabetes
B)blood pressure abnormalities
C)stress
D)all of these

Question 73

The homologous organ to the prostate gland is the

A)pineal glands.
B)Bartholin's glands.
C)para-urethral glands.
D)Cowper's glands.

Question 74

The expression "blue balls" refers to

A)sexually insatiable men.
B)penises wounded during intromission.
C)depression or "blues" that can occur after having had rough sexual activity.
D)discomfort in the testicles from intense sexual arousal without ejaculation.

Question 75

The phase after orgasm during which men are not capable of having an ejaculation is called

A)retrograde ejaculation.
B)the refractory period.
C)the regenerative period.
D)ejaculatory retardation.

Question 76

You can predict the size of a man's penis by the size of his shoes.

Question 77

The point at which ejaculation must occur even if stimulation ceases is called

A)orgasm.
B)emission.
C)ejaculatory inevitability.
D)retrograde ejaculation.

Question 78

Gareth gets sexually aroused because of the cold weather.Which of the following is likely to occur during the process of his penile erection?

A)compression of the veins that carry out blood
B)loss of testicular congestion
C)deactivation of the Cowper's gland
D)a decrease in the blood volume

Question 79

Smegma is produced by small glands beneath the foreskin.

Question 80

Orgasm and ejaculation

A)always occur simultaneously.
B)do not always occur simultaneously.
C)seldom occur simultaneously.
D)are the same thing.