Deck 4: Male Sexual Anatomy, Physiology, and Response

Question 1

When flaccid,the average length of a penis is __________ inches long.

A)about 6
B)about 3
C)about 4
D)less than 2

Answer 1

B

Question 2

Inside each testicle are approximately 1,000 tiny compressed tubes where sperm production takes place.These are called __________________.

A)seminal vesicles
B)seminiferous tubules
C)spermatic cords
D)epididymi

Answer 2

B

Question 3

What part of a male's penis is permanently removed in circumcision?

A)the glans
B)the prepuce
C)the smegma
D)the prostate

Answer 3

B

Question 4

The two external structures of the male sexual anatomy are the

A)penis and the scrotum.
B)penis and the testes.
C)scrotum and the testes.
D)glans and the shaft.

Question 5

The penis is almost a universal symbol of

A)power and fertility.
B)masculinity.
C)love and affection.
D)religious deities.

Question 6

When a boy is circumcised,the

A)prepuce is removed.
B)frenulum is enhanced.
C)glans is removed.
D)perineum may be stretched to form a new hood.

Question 7

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 crura.

Question 8

The penis becomes erect as the result of

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

Question 9

The temperature inside the testicles is about _____ degrees.

A)93
B)98.6
C)99.6
D)101

Question 10

In all men,the glans is protected by the

A)corona.
B)frenulum.
C)crura.
D)None of the above.

Question 11

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)can be enriched during gestation.

Question 12

All of the following are parts of the penis EXCEPT the

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

Question 13

The frenulum is

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

Question 14

Which of the following is part of the penis?

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

Question 15

According to the author of your text,those who appear to really suffer the most from penis envy are

A)girls under the age of seven.
B)adolescent girls.
C)middle-aged divorced women.
D)men.

Question 16

Ancient Egyptians believed that _______________ of their leaders were/was especially powerful.

A)foreskins
B)testicles
C)prostate glands
D)blood from the penises

Question 17

The surgical removal of the foreskin of the penis is called

A)infibulations.
B)circumcision.
C)excision.
D)vasectomy.

Question 18

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

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

Question 19

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

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

Question 20

Beneath the foreskin are glands which produce

A)semen.
B)sperm.
C)prostate fluid.
D)smegma.

Question 21

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

A)vitamin D
B)cold
C)anxiety
D)All of these.

Question 22

The bulbourethral glands are also known as

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

Question 23

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 retrograde intromissions.

Question 24

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

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

Question 25

What structure is located in front of the rectum?

A)seminal vesicles
B)prostate gland
C)Cowper's glands
D)frenulum

Question 26

The prostate gland secretes a fluid that makes up about _________ of seminal fluid.

A)20-25%
B)30-35%
C)60-65%
D)80-85%

Question 27

What is cut in male sterilization?

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

Question 28

The size of a man's penis is related to the size of his

A)hands.
B)feet.
C)nose.
D)None of these

Question 29

The size of a man's penis is related to

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

Question 30

Sixty percent of semen is made up of fluid from the

A)ejaculatory duct.
B)epididymis.
C)vas deferens.
D)seminal vesicles.

Question 31

The seminal vesicles secrete a fluid that makes up about ____ of seminal fluid.

A)20%
B)40%
C)60%
D)80%

Question 32

Which of the following is NOT an internal structure?

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

Question 33

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 34

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)wrinkled,smooth,or hairless depending on the race of the man.

Question 35

Spermatogenesis takes place in the

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

Question 36

The scrotum is

A)the same as the testicles.
B)the pouch that holds the testicles.
C)the wrinkled protector of the glans.
D)located next to the corona.

Question 37

The _______ suspend(s)the testicles in the scrotal sac and contain(s)the vasa deferentia.

A)cremaster muscles
B)spermatic cords
C)dartos muscles
D)corpus spongiosum

Question 38

Which of the following statements about penis size is accurate?

A)The penis will diminish in size with infrequent opportunities for arousal.
B)Penis size differs among various racial groups.
C)The primary determinant of penis size is heredity.
D)Penis size is positively correlated to body size.

Question 39

Which muscle causes the testes to be drawn closer to the body?

A)cremaster
B)bulbocavernosus
C)dartos
D)Kegel

Question 40

The skin of the _____________ is more heavily pigmented than skin elsewhere on the body.

A)scrotum
B)inner thighs
C)penis
D)lower back

Question 41

Gynomastia is

A)swelling or enlargement of the male breast.
B)incomplete development of the testicles.
C)incomplete development of the penis.
D)female masturbation.

Question 42

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

A)about 16 hours
B)about 17 minutes
C)2-3 weeks
D)64-72 days

Question 43

Which of the following is NOT true about testosterone?

A)The brain converts testosterone to a female hormone.
B)Testosterone levels fluctuate in response to many stimuli or demands.
C)It is manufactured in the adrenal glands of men.
D)It is not possible to determine if a man is deficient in testosterone.

Question 44

Oral stimulation of the anus is referred to colloquially as

A)fisting.
B)cleaning the basement.
C)snack on a crack.
D)rimming.

Question 45

Mature sperm are stored in the

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

Question 46

All of the following are male reproductive hormones EXCEPT

A)GnRH.
B)testosterone.
C)FSH.
D)prolactin.

Question 47

Leydig cells are also called

A)LC.
B)interstitial cells.
C)GnRH.
D)seminal vesicles.

Question 48

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 49

Testosterone can be made in all of the following organs EXCEPT ________.

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

Question 50

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

A)estrogen.
B)testosterone.
C)luteinizing hormone.
D)gonadotropin-releasing hormone.

Question 51

In men,which hormone triggers secondary sex characteristics to develop and sperm production?

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

Question 52

_____________ is the process by which semen is forcibly expelled from the penis.

A)Orgasm
B)Ejaculation
C)Seminal secretion
D)Spermatogenesis

Question 53

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

A)Testosterone is one of the main determinants of 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 are mixed.

Question 54

In men,which hormone stimulates testosterone production in the interstitial cells?

A)GnRH
B)FSH
C)ICSH (LH)
D)relaxin

Question 55

In men,which hormone increases sperm motility?

A)GnRH
B)FSH
C)oxytocin
D)relaxin

Question 56

The generic and inclusive term for the male hormones is

A)testosterone.
B)androgens.
C)GnRH.
D)steroids.

Question 57

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

A)increase sperm motility.
B)buffer the acidic environment of the urethra.
C)maintain optimal testosterone levels.
D)help lubricate the shaft during masturbation.

Question 58

Which hormone is made by BOTH sexes? In men it is produced in the testes and in women mostly by the adrenal glands and ovaries.

A)testosterone
B)FDS
C)estrogen
D)progesterone

Question 59

A healthy male will produce __________ of sperm every day.

A)several hundred thousand
B)tens of thousands
C)several hundred million
D)thousands

Question 60

In men,which hormone stimulates sperm production in the testes?

A)testosterone
B)FSH
C)oxytocin
D)GnRH

Question 61

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

A)GnRH
B)FHS
C)oxytocin
D)relaxin

Question 62

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

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

Question 63

The homologous organ to the glans penis is the

A)glans clitoris.
B)labia majora.
C)hymen.
D)vestibule.

Question 64

The homologous organ to the labia majora is the

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

Question 65

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

A)in the minority.
B)the same as most men.
C)overstressed.
D)in need of counseling.

Question 66

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

A)less than 1,000
B)about 5,000
C)about 50,000
D)about 1.5 million

Question 67

The expression "blue balls" refers to

A)sexually insatiable men.
B)women who tease men.
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 68

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 69

The homologous organ to the prostate gland is the

A)bulbourethral glands.
B)Bartholin's glands.
C)Skene's glands.
D)Cowper's glands.

Question 70

On average,the volume of semen which is ejaculated is about

A)one fluid ounce.
B)three fluid ounces.
C)one tablespoon.
D)one teaspoon.

Question 71

The point at which a man knows he can no longer stop himself from ejaculating is called

A)orgasm.
B)emission.
C)ejaculatory inevitability.
D)eminent expulsion.

Question 72

Orgasm and ejaculation

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

Question 73

How many stages are involved in ejaculation?

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

Question 74

An especially sensitive part of the penis is the root.

Question 75

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)semen passes into his bladder rather than out of his urethra.

Question 76

The determining factor in the sex of a zygote comes from

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

Question 77

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)Women's cycles are more hormonally bound.

Question 78

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

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 79

Which of the following can cause erectile difficulties?

A)diabetes
B)blood pressure abnormalities
C)anxiety
D)All of these.

Question 80

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.