Deck 28: The Reproductive System

Question 1

The fold of skin that covers the glans penis is the

A) ejaculatory duct.
B) foreskin.
C) corpus cavernosum.
D) corpus spongiosum.
E) penile urethra.

Answer 1

B

Question 2

Inward projections of the tunica albuginea, known as septa testis, divide the testis into

A) seminiferous tubules.
B) straight tubules.
C) lobules.
D) rete testis.
E) the epididymis and the testis proper.

Answer 2

C

Question 3

The organ that delivers semen into the female reproductive tract is the

A) urethra.
B) ejaculatory duct.
C) penis.
D) corpus cavernosum.
E) corpus spongiosum.

Answer 3

C

Question 4

The reproductive organ that produces gametes is called a

A) duct.
B) gland.
C) gonad.
D) womb.
E) girdle.

Question 5

The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the

A) prostate gland.
B) bulbo-urethral gland.
C) seminal gland (seminal vesicle).
D) corpus cavernosum.
E) preputial gland.

Question 6

The organ that surrounds the urethra and produces an alkaline secretion is the

A) seminal gland (seminal vesicle).
B) bulbo-urethral gland.
C) prostate gland.
D) preputial gland.
E) Bartholin's gland.

Question 7

Arrange the four structures listed below into the order in which sperm pass from the testis to the external urethral orifice.
1) ductus deferens
2) urethra
3) ejaculatory duct
4) epididymis

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

Question 8

Sperm production occurs in the

A) ductus deferens.
B) seminiferous tubules.
C) epididymis.
D) seminal glands (seminal vesicles).
E) rete testis.

Question 9

The small paired structures at the base of the penis that secrete a thick, alkaline mucus are the

A) seminal vesicles.
B) prostate glands.
C) preputial glands.
D) Bartholin glands.
E) bulbo-urethral glands.

Question 10

Interstitial endocrine cells produce

A) sperm.
B) inhibin.
C) nutrients.
D) testosterone.
E) androgen-binding protein.

Question 11

The spermatic cord is

A) a bundle of tissue that contains the ductus deferens, blood vessels, nerves, and lymphatics that serve the testis.
B) a narrow opening that links the scrotal chamber with the peritoneal cavity.
C) the external marking of the boundary between the two chambers of the scrotum.
D) a layer of smooth muscle in the skin of the scrotal sac.
E) a dense layer of connective tissue that surrounds the testis.

Question 12

Sperm are moved along the ductus deferens (vas deferens) by

A) hydrostatic force.
B) ciliary action.
C) peristaltic contractions.
D) suction.
E) hydraulic action.

Question 13

The erectile tissue that surrounds the urethra is the

A) membranous urethra.
B) penile urethra.
C) glans penis.
D) corpus spongiosum.
E) corpora cavernosa.

Question 14

The organ that carries sperm from the epididymis to the urethra is the

A) ductus deferens (vas deferens).
B) epididymis.
C) seminal gland (seminal vesicle).
D) ejaculatory duct.
E) corpus cavernosum.

Question 15

The external marking of the boundary between the two testes is the

A) spermatic cord.
B) raphe.
C) tunica albuginea.
D) acrosome.
E) dartos muscle.

Question 16

Straight tubules originate at the seminiferous tubules and form a network of passageways called the

A) epididymis.
B) ductus deferens.
C) rete testis.
D) efferent ducts.
E) vas deferens.

Question 17

The reproductive system includes all of the following except

A) gonads and external genitalia.
B) ducts that receive and transport the gametes.
C) accessory glands and organs that secrete fluids.
D) organs for copulation.
E) glands and organs that produce and store urine.

Question 18

Semen contains all of the following except

A) sperm.
B) seminal fluid.
C) prostaglandins.
D) spermatogonia.
E) fibrinogen.

Question 19

The male gonad is called a(n)

A) seminal vesicle.
B) epididymis.
C) rete.
D) testis.
E) prostate.

Question 20

The organ that monitors and adjusts the composition of tubular fluid, recycles damaged sperm, and is thesite of sperm maturation is the

A) ductus deferens.
B) rete testis.
C) seminal gland (seminal vesicle).
D) epididymis.
E) prostate gland.

Question 21

Functions of the accessory glands of the male reproductive system include all of the following except

A) production of sperm.
B) meeting the nutrient needs of sperm for motility.
C) propelling sperm and fluids along the reproductive tract.
D) producing buffers.
E) activating the sperm.

Question 22

The surgical removal of the foreskin is called

A) circumcision.
B) orchidectomy.
C) tubectomy.
D) vasectomy.
E) pupectomy.

Question 23

Why are inguinal hernias generally associated with males?

A) Males have a gene on the Y chromosome that codes for inguinal hernia, whereas women do not have the Y chromosome.
B) Women have a thicker set of skeletal muscles in the abdominal wall compared to men.
C) Males work more strenuously than women, thereby damaging the abdominal wall.
D) Males have a canal through the abdominal wall that the testes move through, and it often does not close up properly.
E) The groin area is genetically weaker in men than in women because of the presence of the penis and testes.

Question 24

Contraction of the dartos muscle

A) tightens the scrotum.
B) produces an erection.
C) propels sperm through the urethra.
D) moves sperm through the ductus deferens.
E) initiates seminal emission.

Question 25

A normal sperm count ranges from approximately ________ sperm per milliliter.

A) 10 million
B) 100-150 million
C) 1-2 million
D) 500 million
E) 20-100 million

Question 26

The PSA test is used for diagnosis of

A) testicular cancer.
B) penile cancer.
C) prostatitis.
D) premature puberty.
E) prostate cancer.

Question 27

The portion of the urethra that passes through the pelvic cavity floor is called the

A) membranous urethra.
B) bulbo-urethral.
C) penile urethra.
D) ureter.
E) prostatic urethra.

Question 28

The cremaster muscle can raise and lower the testes to regulate

A) temperature.
B) expansion.
C) erection.
D) pH.
E) size.

Question 29

A typical ejaculation releases approximately ________ sperm.
A) 1 million

A) 20 million
B) 250 million
B) 800 million
C) 100,000

Question 30

Contraction of the cremaster muscles

A) tenses the scrotum.
B) pulls the testes closer to the body cavity.
C) propels sperm through the urethra.
D) moves sperm through the ductus deferens.
E) tenses the scrotum and pulls the testes closer to the body cavity.

Question 31

The portion of the urethra that penetrates the urogenital diaphragm is the

A) membranous urethra.
B) penile urethra.
C) corpus spongiosum.
D) spongy urethra.
E) vascular urethra.

Question 32

If the prostate stopped secreting fluid, this would result in semen

A) that lacked sperm.
B) with a higher than normal pH.
C) with less fructose.
D) with no mucus.
E) that was rich in prostaglandins.

Question 33

Which of the following glands contributes the most volume to semen?

A) prostate gland
B) rete testis
C) seminal gland (seminal vesicle)
D) bulbo-urethral gland
E) foreskin

Question 34

The delicate layer of serous membrane that covers the testis is called the

A) median raphe.
B) tunica vaginalis.
C) tunica albuginea.
D) dartos.
E) lamina propria.

Question 35

The paired erectile bodies in the penis are the

A) membranous urethra.
B) penile urethra.
C) corpus spongiosum.
D) corpora cavernosa.
E) foreskin.

Question 36

A vasectomy would interfere with a man's ability to

A) secrete testosterone.
B) make sperm.
C) ejaculate.
D) produce semen.
E) deliver sperm to the ejaculatory duct.

Question 37

The organ inferior to the urinary bladder and contains the urethra in the middle is the ________ gland.

A) prostate
B) bulbo-urethral
C) Cowper's
D) seminal vesicle
E) seminiferous tubular

Question 38

The pampiniform plexus of the testicular vein is found within the

A) epididymis.
B) raphe.
C) spermatic cord.
D) cremaster muscle.
E) rete testis.

Question 39

The ________ carries fluid from the seminal gland (seminal vesicle) through the prostate.

A) ejaculatory duct
B) vas deferens
C) ductus deferens
D) epididymis
E) rete

Question 40

The ductus deferens passes through the ________ to enter the pelvic cavity.

A) canaliculi
B) mesiobuccal canal
C) epididymis
D) inguinal canal
E) urinary bladder

Question 41

The nurse cells of the seminiferous tubules do all of the following except

A) maintain the blood testis barrier.
B) support spermiogenesis.
C) secrete inhibin.
D) secrete testosterone.
E) secrete androgen-binding protein.

Question 42

Each lobule contains approximately ________ seminiferous tubules.

A) 4
B) 100
C) 400
D) 800
E) 1500

Question 43

Sperm develop from stem cells called

A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.
E) sperm.

Question 44

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "12."

A) prostatic urethra
B) ejaculatory duct
C) ductus deferens
D) vas deferens
E) membranous urethra

Question 45

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "3."

A) corpora cavernosa
B) prostatic urethra
C) corpus spongiosum
D) spongy urethra
E) ejaculatory duct

Question 46

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "1."

A) membranous urethra
B) ejaculatory duct
C) corpora cavernosa
D) corpus spongiosum
E) prostatic urethra

Question 47

Which of the following are not important enzymes found in seminal fluid?

A) proteases, help dissolve mucus in the vagina
B) seminalplasmin, an antibiotic enzyme
C) fibrinolysin, dissolves the semen clot after 15-30 minutes
D) coagulating enzymes, form a semen clot after ejaculation
E) hydrolases, remove water and concentrate semen

Question 48

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "4."

A) testis
B) prostate gland
C) seminal gland (seminal vesicle)
D) epididymis
E) ductus deferens

Question 49

Frank is experiencing difficulty urinating, painful urination, low back pain and a slight fever. The doctorprescribes antibiotics and Frank recovers. It is likely that Frank suffered from

A) impotence.
B) prostate cancer.
C) prostatitis.
D) a vasectomy.
E) a circumcision.

Question 50

The erectile tissue that extends down into the glans penis is the

A) corpus spongiosum.
B) corpora cavernosa.
C) preputial glands.
D) smegma.
E) crus of penis.

Question 51

For normal sperm development, the testes must be kept about

A) the same temperature as the brain.
B) 1.1°C cooler than core body temperature.
C) 1.1°C warmer than core body temperature.
D) 4.8°C cooler than core body temperature.
E) 4.8°C warmer than core body temperature.

Question 52

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure that produces a fructose-rich fluid.

A) 9
B) 10
C) 11
D) 12
E) 13

Question 53

Kevin has been experiencing difficulty urinating now that he is over the age of 60. The doctor examineshisprostate gland and finds no evidence of inflammation. Furthermore, Kevin's PSA test is normal. It is most likely that Kevin is suffering from

A) impotence.
B) prostate cancer.
C) benign prostatic hypertrophy.
D) prostatitis.
E) male climacteric.

Question 54

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "2."

A) penile urethra
B) ejaculatory duct
C) corpora cavernosa
D) corpus spongiosum
E) membranous urethra

Question 55

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "13."

A) bulbo-urethral gland
B) prostate gland
C) seminal gland (seminal vesicle)
D) epididymis
E) ductus deferens

Question 56

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "9."

A) scrotum
B) cremaster muscle
C) ductus deferens
D) testis
E) foreskin

Question 57

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "11."

A) bulbo-urethral gland
B) prostate gland
C) seminal gland (seminal vesicle)
D) epididymis
E) ductus deferens

Question 58

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
Identify the structure labeled "6."

A) ejaculatory duct
B) seminiferous tubule
C) ductus deferens
D) epididymis
E) testis

Question 59

The rete testis is connected to the epididymis by

A) efferent ductules.
B) the spermatic cord.
C) the tunica albuginea.
D) the tunica vaginalis.
E) the straight tubules.

Question 60

Which of the following does not contribute to seminal fluid?

A) seminal glands
B) prostate gland
C) nurse cells and epididymis
D) spermatic cords
E) bulbo-urethral glands

Question 61

The middle piece of the sperm contains the ________ in a spiral arrangement.

A) nucleosome
B) chromosomes
C) mitochondria
D) flagella
E) acrosome

Question 62

During meiosis I, maternal and paternal chromosomes come together during the process called ________ toform a ________.

A) synapsis; chromatid
B) prophase I; chromatid
C) synapsis; spermatid
D) metaphase II; tetrad
E) synapsis; tetrad

Question 63

The role of FSH in males is to

A) stimulate the interstitial endocrine cells to produce testosterone.
B) stimulate the growth of male accessory glands.
C) initiate sperm production in the testes.
D) develop and maintain secondary sex characteristics.
E) influence sexual behaviors and sex drive.

Question 64

When spermatogonia divide, the daughter cells are called

A) spermatogonia.
B) spermatocytes.
C) spermatids.
D) sperm.
E) Sertoli cells.

Question 65

A primary spermatocyte matures into ________ spermatids having ________ chromosomes.

A) millions of; 46
B) four; 23
C) one; 46
D) millions of; 23
E) four; 46

Question 66

The ________ of a sperm contains the enzymes essential for fertilization.

A) acrosome
B) flagellum
C) nucleosome
D) neck
E) nucleus

Question 67

A boy has a genetic mutation such that FSH is not produced, but LH is normal. After the boy grows to maturity, it is likely he will

A) not develop secondary sex characteristics.
B) be sterile.
C) be impotent.
D) have impaired function of the interstitial endocrine cells.
E) produce large amounts of inhibin.

Question 68

Where in the male reproductive system would you expect to find the most mature sperm?

A) in the seminiferous tubules
B) in the head of the epididymis
C) near the tail of the epididymis
D) in the seminal gland
E) in the prostate gland

Question 69

The pituitary hormone that stimulates the interstitial endocrine cells to secrete testosterone is

A) FSH.
B) LH.
C) ACTH.
D) GnRH.
E) GH.

Question 70

A male bodybuilder starts taking injections of testosterone (an anabolic steroid on a daily basis. Afterthree weeks, you expect to observe all of the following, except

A) increased sex drive.
B) decreased levels of GnRH.
C) decreased levels of LH and FSH.
D) increased muscle mass.
E) decreased nurse cell stimulation.

Question 71

The cells that are formed during spermatogenesis by meiosis I are called

A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.
E) sperm.

Question 72

Sperm are functionally matured within the

A) epididymis.
B) straight tubules.
C) rete testes.
D) seminiferous tubules.
E) seminal gland (seminal vesicle).

Question 73

The ________ is the part of the sperm that contains the DNA.

A) head
B) neck
C) acrosome
D) zona pellucida
E) corona radiata

Question 74

Secondary spermatocytes each contain

A) 23 chromosomes.
B) 23 pairs of chromosomes.
C) twice the diploid number of chromosomes.
D) 46 pairs of chromosomes.
E) 46 chromosomes.

Question 75

Spermatids mature into sperm by the process of

A) spermiogenesis.
B) meiosis II.
C) spermatogenesis.
D) cytokinesis.
E) meiosis I.

Question 76

Testosterone is secreted by the

A) hypothalamus.
B) anterior pituitary.
C) nurse cells.
D) interstitial endocrine cells.
E) adrenal cortex.

Question 77

The process of spermiogenesis produces

A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.
E) sperm.

Question 78

In a mature human sperm, the

A) acrosome is next to the flagellum.
B) midpiece contains the chromosomes.
C) tail contains the mitochondria.
D) head contains 23 chromosomes.
E) head is diploid.

Question 79

The most important androgen is

A) dihydrotestosterone.
B) androstenedione.
C) dehydroepiandrosterone.
D) progesterone.
E) testosterone.

Question 80

The special type of cell division required to produce gametes is called

A) mitosis.
B) meiosis.
C) maturation.
D) capacitation.
E) fertilization.