Question 1

Puberty in a female is characterized by

Accepted Answer

A)   adipose tissue deposition in the breasts and around the hips.
B)   increased muscle mass, especially in the hips.
C)   growth of facial hair.
D)   closure of the uterine tubes.
E)   growth of chest hair.

Question 2

A primary oocyte with a single layer of granulosa cells is most appropriately called a ________.

Accepted Answer

A)   primordial follicle
B)   secondary follicle
C)   mature follicle
D)   corpus luteum
E)   Graafian follicle

Question 3

Which of the following statements regarding glands of the male reproductive system is false?

Accepted Answer

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 4

Which of the following is the most important role of meiosis in sexual reproduction?

Accepted Answer

A)   It reduces the size of the gametes.
B)   It produces at least one gamete that is mobile.
C)   It prevents the chromosome number from doubling in each generation.
D)   It ensures that each daughter cell doubles the number of chromosomes.
E)   It changes the genetic composition of each chromosome.

Question 5

Which of the following statements concerning testosterone is true?

Accepted Answer

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 6

Normally, menstruation occurs when

Accepted Answer

A)   blood levels of estrogen increase and progesterone levels decrease rapidly.
B)   blood levels of estrogen and progesterone increase rapidly.
C)   blood levels of FSH decrease rapidly.
D)   the corpus luteum secretes estrogen.
E)   blood levels of both female hormones decrease rapidly.

Question 7

Sperm cells may remain viable in the female reproductive tract for as long as ________ hours.

Accepted Answer

A)   24
B)   48
C)   72
D)   96
E)   144

Question 8

Arrange the following events in correct sequence.
(1)  Inflation and rigidity of erectile tissue
(2)  Arteries supplying blood to erectile tissue dilate
(3)  Blood fills erectile tissue sinusoids and compresses veins

Accepted Answer

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

Question 9

A primary spermatocyte is a diploid cell that gives rise to two secondary spermatocytes after the first meiotic division. The primary spermatocyte has ________ chromosomes.

Accepted Answer

A)   92
B)   46
C)   23
D)   13
E)   no

Question 10

Which of the following glands is correctly matched with its function?

Accepted Answer

A)   Seminal vesicles - provide nutrients for sperm cells
B)   Prostate - lubricates the penis during intercourse
C)   Bulbourethral glands - produce a thin, sweet fluid
D)   Testes - produce most of the semen
E)   Prostate - contributes most of the fluid

Question 11

FSH

Accepted Answer

A)   stimulates theca interna cells to produce androgens.
B)   primarily effects granulosa cells.
C)   increases progesterone production.
D)   inhibits LH.
E)   stimulates the uterus.

Question 12

The uterine cycle can be divided into three continuous phases. Starting from the first day of the cycle, their consecutive order is

Accepted Answer

A)   menses, proliferative, secretory.
B)   menses, secretory, proliferative.
C)   secretory, menses, proliferative.
D)   proliferative, menses, secretory.
E)   secretory, proliferative, menses.

Question 13

The major factor controlling the onset of puberty in males is

Accepted Answer

A)   a decrease in GnRH levels.
B)   the production of testosterone by the testes.
C)   the ability of the pituitary to secrete FSH and LH.
D)   the hypothalamus becoming less sensitive to the inhibitory effects of androgens.
E)   None of the choices are correct.

Question 14

Fertilization can only occur

Accepted Answer

A)   if orgasms occur in both the male and female.
B)   when a sperm cell penetrates a secondary oocyte.
C)   when there is no menstrual flow.
D)   after oxytocin is released from the hypothalamus.
E)   on day 14 of the cycle.

Question 15

Impotence occurs when

Accepted Answer

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.

Question 16

Which of the following substances found in semen is mismatched with its function?

Accepted Answer

A)   Fructose - nourishes sperm cells
B)   Mucus - lubricates urethra
C)   Fibrinogen - transient coagulation of semen
D)   Prostaglandins - cause urethral contractions
E)   Prostaglandins - cause uterine contractions

Question 17

Which of the following statements does not correctly contrast the female and male reproductive systems?

Accepted Answer

A)   The male reproductive system produces and stores gametes, whereas the female reproductive system only stores gametes.
B)   The female reproductive system produces secretions to nourish the neonate; the male reproductive system does not.
C)   The male reproductive system produces gametes from puberty until death of the individual; the female reproductive system normally ceases gamete production during middle age.
D)   All of the statements are correct.

Question 18

Arrange the following structures in the order sperm cells would pass through as they move from the seminiferous tubules to the urethra.
(1)  Ductus deferens (vas deferens) 
(2)  Efferent ductules
(3)  Epididymis
(4)  Ejaculatory duct
(5)  Rete testis

Accepted Answer

A)   5, 3, 2, 1, 4
B)   3, 2, 4, 1, 5
C)   3, 4, 2, 1, 5
D)   5, 2, 4, 3, 1
E)   5, 2, 3, 1, 4

Question 19

Menstrual cramps are most commonly caused by

Accepted Answer

A)   increased FSH levels.
B)   increased estrogen secretion by the ovary.
C)   increased prostaglandin secretions.
D)   increased HCG hormone release.
E)   a decreased inflammatory response in the endometrium.

Question 20

Which of the following substances found in sustentacular cells may be the active hormones that promote sperm cell formation?

Accepted Answer

A)   IgA and IgG
B)   Sustentaculum and gubernaculum
C)   Dihydrotestosterone and estrogen
D)   Androgen-binding protein and testosterone
E)   Estrogen and progesterone

Exam 28: Reproductive System

Puberty in a female is characterized by

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Which of the following statements regarding glands of the male reproductive system is false?

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Arrange the following events in correct sequence. (1) Inflation and rigidity of erectile tissue (2) Arteries supplying blood to erectile tissue dilate (3) Blood fills erectile tissue sinusoids and compresses veins

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Impotence occurs when

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Which of the following is the most important role of meiosis in sexual reproduction?

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Which of the following substances found in sustentacular cells may be the active hormones that promote sperm cell formation?

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Which of the following statements concerning testosterone is true?

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FSH

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Which of the following glands is correctly matched with its function?

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The uterine cycle can be divided into three continuous phases. Starting from the first day of the cycle, their consecutive order is

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Which of the following substances found in semen is mismatched with its function?

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Which of the following statements does not correctly contrast the female and male reproductive systems?

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Fertilization can only occur

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Menstrual cramps are most commonly caused by

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A primary oocyte with a single layer of granulosa cells is most appropriately called a ________.

Correct AnswerverifiedShow Answer

The major factor controlling the onset of puberty in males is

Correct AnswerverifiedShow Answer

A primary spermatocyte is a diploid cell that gives rise to two secondary spermatocytes after the first meiotic division. The primary spermatocyte has ________ chromosomes.

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Sperm cells may remain viable in the female reproductive tract for as long as ________ hours.

Correct AnswerverifiedShow Answer

Arrange the following structures in the order sperm cells would pass through as they move from the seminiferous tubules to the urethra. (1) Ductus deferens (vas deferens) (2) Efferent ductules (3) Epididymis (4) Ejaculatory duct (5) Rete testis

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Normally, menstruation occurs when

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