Deck 26: The Reproductive System

Question 1

Contraction of the cremaster muscles

A)relaxes 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)both relaxes the scrotal sac and propels sperm through the urethra.

Answer 1

B

Question 2

The ________ is an opening through which the spermatic cord passes.

A)seminiferous tubule
B)inguinal canal
C)scrotal cavity
D)efferent ductule
E)infundibulum

Answer 2

B

Question 3

What is the function of gonads?

A)produce gametes
B)transport gametes
C)produce hormones
D)produce gametes and produce hormones
E)None of the answers is correct.

Answer 3

D

Question 4

Figure 26-1
Identify the structure labeled "4."

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

Question 5

The reproductive system does not include

A)gonads and external genitalia.
B)ducts that receive and transport the gametes.
C)accessory glands and organs that secrete fluids.
D)mammary glands.
E)None of the answers is correct.

Question 6

The tough fibrous capsule that surrounds the testis is called the

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

Question 7

Figure 26-1
Identify the structure labeled "11."

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

Question 8

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 9

At 8 months development in a male fetus,the testes

A)remain in the abdominal cavity.
B)have been pulled through the abdominal musculature into the scrotum.

Question 10

The ________ is a fleshy pouch suspended below the perineum and anterior to the anus.

A)scrotum
B)rete testis
C)raphe
D)prostate gland
E)bulbourethral gland

Question 11

In what order does sperm produced in the semiferous tubules pass through the following structures before being stored in the epididymis?

1) Efferent ductules
2) Straight ductules
3) Rete testis

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

Question 12

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 13

Figure 26-1
Identify the structure labeled "3."

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

Question 14

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 15

The male gonad is called a(n)

A)ductus.
B)epididymis.
C)scrotum.
D)testis.
E)spermatid.

Question 16

Figure 26-1
Identify the structure labeled "10."

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

Question 17

Contraction of the dartos muscle

A)elevates 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 18

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

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

Question 19

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 20

The ________ is a layer of smooth muscle in the skin of the scrotal sac.

A)rete testis
B)raphe
C)dartos muscle
D)tunica albuginea
E)cremaster muscle

Question 21

Secondary spermatocytes divide to produce ________ spermatids,each having ________ chromosomes.

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

Question 22

During meiosis I,in maternal and paternal systems,chromosomes fuse 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 23

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

A)acrosomal cap
B)head
C)neck
D)middle piece
E)flagellum

Question 24

Interstitial cells produce

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

Question 25

Which of the following is true immediately after a spermatogonium completes cell division?

A)Mature spermatozoa enter the lumen.
B)Fusion of diploid nuclei occurs.
C)The primary spermatocyte is directed toward the lumen of the seminiferous tubule.
D)Daughter cells of spermatogonia are haploid.
E)Spermiogenesis begins.

Question 26

How many tetrads form during synapsis?

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

Question 27

The process of spermiogenesis produces

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

Question 28

Secondary spermatocytes each contain

A)23 single chromosomes.
B)23 chromosomes,each with a pair of duplicate chromatids.
C)twice the diploid number of chromosomes.
D)46 pairs of chromosomes.
E)46 chromosomes.

Question 29

When spermatogonia divide,the two daughter cells produced are a spermatogonium and a

A)sperm.
B)spermatocyte.
C)spermatid.
D)spermatozoon.
E)Sertoli cell.

Question 30

Sperm develop from stem cells called

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

Question 31

Nurse cells are not

A)found in the seminiferous tubules.
B)important in forming the blood-testis barrier.
C)involved in coordinating spermatogenesis.
D)precursors to gametes.
E)also called Sertoli cells.

Question 32

Spermatids mature into spermatozoa by the process of

A)spermatogenesis.
B)meiosis.
C)mitosis.
D)spermiogenesis.
E)capacitation.

Question 33

In a spermatozoan,activity in the ________ provides energy required to move the tail.

A)endoplasmic reticulum
B)Golgi apparatus
C)nucleus
D)mitochondria
E)lysosomes

Question 34

In a mature human spermatozoan,

A)the acrosome is next to the tail.
B)the middle piece contains the chromosomes.
C)the tail contains the mitochondria.
D)the head contains 46 chromosomes.
E)the acrosome is next to the nucleus,and the head contains 23 chromosomes.

Question 35

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 36

What is the proper arrangement of 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 37

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

A)acrosomal cap
B)neck
C)middle piece
D)flagellum
E)None of the answers is correct.

Question 38

Sperm production occurs in the

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

Question 39

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

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

Question 40

The stage at which a spermatozoan detaches from the nurse cells and enters the seminiferous tubule is called

A)division.
B)meiosis.
C)spermiation.
D)spermiogenesis.
E)capacitation.

Question 41

Which of these glands secretes a fluid that lubricates the tip of the penis?

A)prostate
B)seminal gland
C)bulbourethral gland
D)vestibular gland
E)Bartholin's gland

Question 42

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

A)producing 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 43

The ________ carries fluid from the seminal gland through the prostate.

A)ductus deferens
B)ejaculatory duct
C)corpora cavernosa
D)efferent tubule
E)ampulla

Question 44

Spermatozoa functionally mature within the

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

Question 45

The paired erectile bodies in the penis are the

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

Question 46

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

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

Question 47

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.
D)epididymis.
E)prostate gland.

Question 48

________ is defined as an inability to achieve or maintain an erection.

A)Infertility
B)Benign prostatic hypertrophy
C)Emission
D)Sterility
E)Impotence

Question 49

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 50

The ________ penetrates the urogenital diaphragm.

A)penile urethra
B)membranous urethra
C)prostatic urethra

Question 51

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 52

Emission and ejaculation require all of the following except

A)sympathetic stimulation.
B)peristaltic contractions of the ampulla.
C)propulsion of semen.
D)contractions of the bulbospongiosus muscle.
E)contraction of the dartos muscles.

Question 53

Contractions of the bulbospongiosus muscles result in

A)erection.
B)emission.
C)ejaculation.
D)detumescence.
E)impotence.

Question 54

The organ that surrounds the urethra and secretes an antibiotic protein is the

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

Question 55

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)vestibular glands.
D)Bartholin's glands.
E)bulbourethral glands.

Question 56

The ________ is/are in contact with the posterior side to the urinary bladder.

A)prostate gland
B)bulbourethral gland
C)seminal glands
D)corpus cavernosum
E)testes

Question 57

Sperm are moved along the ductus deferens by

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

Question 58

Which of the following is not required for arousal to occur?

A)There must be sufficient blood hydrostatic pressure.
B)The sacral spinal cord must be intact.
C)Nitric oxide must be present.
D)Sympathetic stimulation of sacral nerves.
E)Parasympathetic stimulation of pelvic nerves.

Question 59

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 60

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 61

Which of the following is not true of interstitial cells?

A)They are found in the tissue between seminiferous tubules.
B)They respond to luteinizing hormone.
C)They produce testosterone.
D)They help establish male secondary sex characteristics.
E)They produce inhibin.

Question 62

The penile urethra passes through the corpus

A)cavernosum.
B)spongiosum.

Question 63

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

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

Question 64

Testosterone is secreted by the

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

Question 65

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 66

The ________ passes through the shaft of the penis to the external urethral meatus.

A)penile urethra
B)membranous urethra
C)prostatic urethra

Question 67

Figure 26-2
Identify the structure labeled "9."

A)uterus
B)vagina
C)cervix
D)clitoris
E)greater vestibular gland

Question 68

The broad ligament does all of the following except

A)enclose the ovaries,uterine tubes,and uterus.
B)support and stabilizes the position of the ovary.
C)stay continuous with the parietal peritoneum.
D)subdivide the peritoneal cavity.
E)attach to floor of the pelvic cavity.

Question 69

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 70

The region where blood vessels enter the ovary is called the

A)infundibulopelvic ligament.
B)tunica albuginea.
C)ovarian umbilical cord.
D)ovarian hilum.
E)ovarian ligament.

Question 71

The main organs of the female reproductive tract include all of the following except the

A)vagina.
B)urinary bladder.
C)uterus.
D)ovaries.
E)mammary glands.

Question 72

Figure 26-2

-What is not produced by the structure labeled "1"?

A)ova
B)estrogen
C)progesterone
D)inhibin
E)FSH

Question 73

A male bodybuilder starts taking injections of testosterone (an anabolic steroid)on a daily basis.After 3 weeks,which of the following would you not expect to observe?

A)increased sex drive
B)decreased levels of GnRH
C)decreased levels of LH and FSH
D)decreased levels of DHT
E)None of the answers is correct.

Question 74

Figure 26-2

-Identify the structure labeled "11."

A)ureter
B)uterus
C)vagina
D)cervix
E)infundibulum

Question 75

Which structure(s)of the female reproductive system contain(s)glands that lubricate the vaginal entrance?

A)mammaries
B)uterus
C)gonads
D)labia
E)uterine tube

Question 76

Figure 26-2
Identify the structure labeled "12."

A)uterus
B)vagina
C)clitoris
D)labium
E)ovary

Question 77

The primary 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 78

Fertilization of an ovum usually takes place in the

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

Question 79

The ________ is a pocket formed between the posterior wall of the uterus and the anterior surface of the rectum.

A)fundus
B)vesico-uterine pouch
C)ampulla
D)recto-uterine pouch
E)infundibulum

Question 80

Figure 26-2
Identify the structure labeled "2."

A)ureter
B)uterine tube
C)suspensory ligament
D)ovarian ligament
E)infundibulum