Question 1
Question text
Which of the following structures is located within the perineum?
Select one:
a. dartos
b. seminal vesicles
c. femoral triangle
d. urogenital triangle
e. navel
Question 2
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The opening in the abdominal wall through which the testes descend is the
Select one:
a. spermatic cord.
b. gubernaculum.
c. inguinal canal.
d. process vaginalis.
e. perineal opening.
Question 3
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In males, both urine and male reproductive fluids travel through the
Select one:
a. ureter.
b. urethra.
c. epididymis.
d. spermatic cord.
e. ductus deferens.
Question 4
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The ductus deferens
Select one:
a. stores sperm until ejaculation.
b. travels through the bladder.
c. ascends the abdominal cavity along the posterior side of the kidney.
d. passes through the inguinal canal and enters the pelvic cavity.
e. passes just beneath the skin to the penis.
Question 5
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The accessory glands located near the membranous urethra are the
Select one:
a. seminal vesicles.
b. inguinal glands.
c. bulbourethral glands.
d. seminal receptacles.
e. penal glands.
Question 6
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What structure contains enzymes needed by a sperm to penetrate an oocyte?
Select one:
a. acrosome
b. gubernaculum
c. sustentacular cells
d. androgen-binding protein
Question 7
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Male infants can be born with an undescended testis. This means that the testis
Select one:
a. lacks hormonal cells.
b. covers the top of the scrotum.
c. has lost its blood supply.
d. remains in the abdominopelvic cavity.
e. has not properly formed.
Question 8
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Which of the following statements is false?
Select one:
a. The seminal vesicles open into the membranous urethra.
b. The prostate gland surrounds the prostatic urethra and ejaculatory ducts.
c. The bulbourethral glands enter the spongy urethra at the base of the penis.
d. The prostate gland contains smooth muscle partitions covered with columnar epithelium.
e. The seminal vesicles are sac-shaped glands located next to the ampullae of the ductus deferentia.
Question 9
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The spongy urethra is surrounded by the
Select one:
a. corpus cavernosum.
b. prostate gland.
c. corpus spongiosum.
d. bulbourethral glands.
Question 10
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The process of meiosis provides for the reorganization of the the entire complement of human
genes, the human genome. Meiosis occurs in the production of gametes in
Select one:
a. males.
b. females.
c. both males and females.
Question 11
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Which of the following statements concerning testosterone is true?
Select one:
a. It prevents hair loss in pattern baldness.
b. It promotes atrophy of the larynx.
c. It can lead to an increase in muscle mass.
d. It causes the skin and hair to soften.
e. It decreases metabolic rate in males.
Question 12
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A typical ejaculation results in the discharge of 2 to 5 mL of the fluid called ___________.
Select one:
a. semen
b. sperm
c. seminal vesicle secretions
d. mucous
e. prostatic secretions
Question 13
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Which of the following is not a function of the reproductive system?
Select one:
a. Development and nourishment of a new individual
b. Production of gametes
c. Creation of antibodies
d. Fertilization
e. Production of reproductive hormones
Question 14
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A blood test for the prostate-specific antigen (PSA) is useful in the diagnosis of
Select one:
a. prostatitis.
b. prostatic atrophy.
c. prostatic cancer.
d. prostatic infection.
e. urinary tract infection.
Question 15
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At the end of meiosis I there are __________, whereas at the end of meiosis II there is/are
__________.
Select one:
a. two diploid cells; one diploid cell
b. two diploid cells; one haploid cell
c. two diploid cells; four haploid cells
d. two haploid cells; four haploid cells
e. two haploid cells; one diploid cell
Question 16
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Discharge of semen into the prostatic urethra is called
Select one:
a. erection.
b. emission.
c. ejaculation.
d. ovulation.
e. ejection.
Question 17
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Which of the following substances found in sustentacular cells may be the active hormones that
promote sperm cell formation?
Select one:
a. IgA and IgG
b. sustentaculum and gubernaculum
c. dihydrotestosterone and estrogen
d. androgen-binding protein and testosterone
e. estrogen and progesterone
Question 18
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Which of the following events occurs in an erection?
Select one:
a. vasoconstriction of arteries leading to erectile tissue of penis
b. engorgement of erectile tissue of penis with blood
c. dilation of venules leading from erectile tissue of penis
d. relaxation of internal sphincter of urinary bladder
e. decrease of blood flow to the penis
Question 19
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Which of the following events in the male sex act occurs last and results in ejaculation?
Select one:
a. peristaltic contractions of the ductus deferens
b. contractions of skeletal muscle at the base of the penis
c. constriction of the internal sphincter of the urinary bladder
d. release of secretions from the seminal vesicles and the prostate gland
e. semen accumulates in the prostatic urethra
Question 20
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Impotence occurs when
Select one:
a. the erectile tissues of the penis fill with blood.
b. semen accumulates in the urethra.
c. an erection cannot be achieved or maintained.
d. semen moves out of the urethra.
e. sperm cell production decreases.