Deck 28: The Reproductive System

Question 1

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

A)prostate gland.
B)bulbourethral gland.
C)seminal gland (seminal vesicle).
D)corpus cavernosum.
E)preputial gland.

Answer 1

C

Question 2

Sperm develop from stem cells called

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

Answer 2

A

Question 3

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.

Answer 3

A

Question 4

When spermatogonia divide,the daughter cells are called

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

Question 5

Sperm production occurs in the

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

Question 6

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

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

Question 7

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

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

Question 8

The dense layer of connective tissue that surrounds the testis is called the

A)median raphe.
B)spermatic cord.
C)tunica albuginea.
D)dartos.
E)epididymis.

Question 9

The reproductive system includes

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)All of the answers are correct.

Question 10

The process of spermiogenesis produces

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

Question 11

The reproductive system

A)produces gametes.
B)stores gametes.
C)transports gametes.
D)nourishes gametes.
E)All of the answers are correct.

Question 12

Which of the following muscles move the testes toward the body?

A)the cremaster
B)the tunica muscularis
C)the biceps brachii
D)the dartos
E)both the cremaster and the dartos muscles

Question 13

Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus.
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 14

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 15

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 16

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

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

Question 17

The cells that are formed during spermatogenesis by the first meiosis are called

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

Question 18

Interstitial cells produce

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

Question 19

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 20

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 21

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

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

Question 22

The erectile tissue that surrounds the urethra is the

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

Question 23

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

A)prostate gland
B)rete testis
C)seminal gland (seminal vesicle)
D)bulbourethral gland
E)prepuce

Question 24

The role of FSH in males is to

A)stimulate the interstitial cells to produce testosterone.
B)stimulate the nurse cells to produce inhibin.
C)initiate sperm production in the testes.
D)develop and maintain secondary sex characteristics.
E)influence sexual behaviors and sex drive.

Question 25

The paired erectile bodies in the penis are the

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

Question 26

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

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

Question 27

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

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

Question 28

Nurse cells

A)are found in the seminiferous tubules.
B)form the blood-testis barrier.
C)coordinate spermatogenesis.
D)secrete the hormone inhibin.
E)All of the answers are correct.

Question 29

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 30

The urethral meatus is an opening in the

A)prepuce.
B)glans penis.
C)corpus spongiosum.
D)corpus cavernosum.
E)corona radiata.

Question 31

The male reproductive system is most closely associated with which of the following systems?

A)muscular
B)urinary
C)endocrine
D)digestive
E)integumentary

Question 32

Which of the following can be found inside the spermatic cord?

A)blood vessels
B)nerves
C)lymphatic vessels
D)ductus deferens
E)All of the answers are correct.

Question 33

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 34

Spermatozoa are functionally matured within the

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

Question 35

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.

Question 36

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 37

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 38

Semen contains all of the following except

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

Question 39

The fold of skin that covers the glans penis is the

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

Question 40

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

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

Question 41

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 42

The ductus deferens is approximately ________ cm long.

A)15-20
B)50-60
C)40-45
D)31-35
E)12

Question 43

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 44

A male bodybuilder starts taking injections of testosterone (an anabolic steroid)on a daily basis.After three weeks,which of the following would you expect to observe?

A)increased sex drive
B)decreased levels of GnRH
C)decreased levels of LH and FSH
D)increased muscle mass
E)All of the answers are correct.

Question 45

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 cells.
E)produce large amounts of inhibin.

Question 46

Figure 28-1 The Male Reproductive System
Use Figure 28-1 to answer the following questions:
What is produced by the structure labeled "7"?

A)seminal fluids
B)spermatozoa
C)testosterone
D)FSH
E)spermatozoa and testosterone

Question 47

Contraction of the cremaster muscles

A)tenses the scrotal sac.
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 scrotal sac and pulls the testes closer to the body cavity.

Question 48

Contraction of the dartos muscle

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

Question 49

Interstitial cells

A)are also called Leydig cells.
B)respond to luteinizing hormone.
C)produce testosterone.
D)are located between seminiferous tubules.
E)All of the answers are correct.

Question 50

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

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

Question 51

Crossing over occurs during ________ of meiosis ________.

A)prophase; I
B)metaphase; I
C)interphase; II
D)prophase; II
E)interphase; I

Question 52

In a mature human spermatozoan,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 53

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 54

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

A)in the seminiferous tubules
B)in the head of the epididymis
C)in the ductus deferens and ejaculatory duct
D)in the seminal gland
E)in the prostate gland

Question 55

A typical ejaculation releases approximately ________ sperm.

A)1 million
B)250 million
C)100,000
D)20 million
E)800 million

Question 56

A vasectomy would interfere with a man's ability to

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

Question 57

The PSA test is used for diagnosis of

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

Question 58

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

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

Question 59

Testosterone is secreted by the

A)hypothalamus.
B)adenohypophysis.
C)nurse cells.
D)interstitial cells.
E)suprarenal cortex.

Question 60

How many tetrads form during synapsis?

A)23
B)hundreds
C)thousands
D)46
E)4

Question 61

The round ligaments extend from the

A)base of the uterus and vagina to the lateral walls of the pelvis.
B)lateral surface of the uterus to the anterior surface of the sacrum.
C)lateral margins of the uterus,through the inguinal canal to the external genitalia.
D)body of the uterus to the fundus.
E)cervix of the uterus to the vagina.

Question 62

The broad ligament is a(n)

A)extensive mesentery that encloses the ovaries,uterine tubes,and uterus.
B)thickened fold of mesentery that supports and stabilizes the position of the ovary.
C)pocket formed between the posterior wall of the uterus and the anterior surface of the rectum.
D)structure that anchors the ovary to the rectouterine pouch.
E)structure that extends from the lateral surface of the ovary to the pelvic wall.

Question 63

The organ that provides mechanical protection and nutritional support for the developing embryo is the

A)vagina.
B)uterine tube.
C)ovary.
D)uterus.
E)cervix.

Question 64

The thick muscular layer of the uterus is the

A)endometrium.
B)perimetrium.
C)myometrium.
D)uterometrium.
E)sarcometrium.

Question 65

The inferior one-third portion of the uterus that projects into the vagina is the

A)isthmus.
B)fornix.
C)fundus.
D)body.
E)cervix.

Question 66

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 67

Which of the following statements concerning oogenesis is false?

A)Oogenesis begins before birth.
B)Ova develop from stem cells called oogonia.
C)An ovum completes its last meiosis after it is fertilized.
D)About half the oogonia complete mitosis between birth and puberty.
E)By the time of their birth,girls have already lost about 80 percent of their oocytes.

Question 68

The organ that transports the ovum to the uterus is the

A)uterosacral ligament.
B)vagina.
C)uterine (Fallopian)tube.
D)infundibulum.
E)myometrium.

Question 69

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 70

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 71

The surge in luteinizing hormone that occurs during the middle of the ovarian cycle triggers

A)follicle maturation.
B)menstruation.
C)ovulation.
D)menopause.
E)atresia.

Question 72

During the secretory phase of the menstrual cycle,

A)the fertilized ovum implants.
B)progesterone levels are high.
C)endometrial glands enlarge.
D)the corpus luteum is formed.
E)All of the answers are correct.

Question 73

Which of the following descriptions best matches the term endometrium?

A)thick layer of smooth muscle cells
B)supports the uterus anteriorly
C)supports the uterus laterally
D)consists of a functional zone and a basilar zone of epithelium
E)After ovulation,the ovum is captured by it.

Question 74

A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for

A)follicle maturation.
B)menstruation.
C)ovulation.
D)menopause.
E)atresia.

Question 75

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)prepuce

Question 76

During the proliferative phase of the menstrual cycle,the

A)corpus luteum is forming.
B)functional zone of the endometrium is restored.
C)fertilized ovum implants.
D)old functional layer is sloughed off.
E)endometrium finalizes the preparation for implantation.

Question 77

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 78

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 79

The average length of the menstrual cycle is ________ days.

A)16
B)19
C)21
D)28
E)35

Question 80

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)membranous urethra