Question 1

The last fluid expelled from the urethra during ejaculation comes from the

Accepted Answer

A)  testes.
B)  bulbourethral gland.
C)  prostate gland.
D)  seminal vesicles.E) A) and D)
F) B) and C)

Question 2

The prostate gland is the size and shape of a(n)

Accepted Answer

A)  horseshoe.
B)  pea.
C)  walnut or chestnut.
D)  apple.E) A) and C)
F) All of the above

Question 3

The average length of the epididymis is

Accepted Answer

A)  1 meter.
B)  3 meters.
C)  6 meters.
D)  9 meters.E) A) and C)
F) B) and C)

Question 4

Synapsis occurs during

Accepted Answer

A)  prophase I.
B)  metaphase I.
C)  anaphase I.
D)  telophase I.E) B) and C)
F) C) and D)

Question 5

In the reproductive cycle, estrogen ________, whereas progesterone ________.

Accepted Answer

A)  stimulates erection of the clitoris; stimulates the uterine lining to become glandular
B)  ejects milk from the mammary glands; stimulates milk secretion
C)  stimulates uterine wall development; stimulates the uterine lining to become more glandular
D)  inhibits the release of FSH; stimulates the release of FSHE) All of the above
F) None of the above

Question 6

A hysterosalpinogram measures or shows

Accepted Answer

A)  the intensity of a woman's orgasm.
B)  the number of uterine tubes.
C)  whether or not a uterine tube is open.
D)  whether there is anything growing in the uterus.E) A) and C)
F) All of the above

Question 7

During the first meiotic division

Accepted Answer

A)  sperm and egg form.
B)  homologous chromosome pairs separate.
C)  homologous chromosome pairs join.
D)  the cell becomes diploid.E) B) and C)
F) A) and C)

Question 8

Capacitation makes sperm tails whip more quickly.

Accepted Answer

A) True 
 B)False

Question 9

A mutation affecting the cytoplasmic distribution among dividing daughter cells in female meiosis prevents the normal distribution between the secondary oocyte and the polar body. Instead, two identically sized daughter cells with the same amount of cytoplasm are produced after each division while polar bodies are still designated and disintegrated. Knowing the main function of the polar body, what effect might this mutation have?

Accepted Answer

A)  Sperm will not be able to penetrate the egg.
B)  Oocytes with abnormal chromosome numbers will result and produce zygotes with further abnormal numbers.
C)  After fertilization, the zygote may not have enough organelles and nutrients to support further cell divisions.
D)  Embryos developed from the mutated secondary oocyte will lack the X chromosome.E) B) and C)
F) A) and D)

Question 10

The bulbourethral glands secrete

Accepted Answer

A)  sperm.
B)  a mucus-like fluid.
C)  blood.
D)  sweat.E) A) and B)
F) All of the above

Question 11

An increase in the level of FSH at approximately day 14 causes ovulation.

Accepted Answer

A) True 
 B)False

Question 12

About the time of ovulation, the anterior pituitary gland releases a surge of

Accepted Answer

A)  estrogens.
B)  progesterone.
C)  LH.
D)  androgens.E) None of the above
F) B) and C)

Question 13

Primary oocyte production begins before birth.

Accepted Answer

A) True 
 B)False

Question 14

Male reproductive functions are controlled mainly by hormones from the hypothalamus and

Accepted Answer

A)  posterior pituitary and adrenal glands.
B)  anterior pituitary and adrenal glands.
C)  posterior pituitary gland and testes.
D)  anterior pituitary gland and testes.E) None of the above
F) A) and B)

Question 15

Tamoxifen and raloxifene act by

Accepted Answer

A)  blocking estrogen receptors.
B)  activating progesterone receptors.
C)  breaking up cancer cell DNA.
D)  depriving cancer cell of growth factors.E) A) and B)
F) B) and C)

Question 16

Undescended testes cause infertility because

Accepted Answer

A)  sperm development is impeded by the higher internal body temperature.
B)  there is too little testosterone.
C)  they undergo apoptosis, and can no longer produce sperm.
D)  they become entangled in the seminiferous tubules, which then degenerate.E) A) and D)
F) B) and C)

Question 17

What would be true of the newly formed sex cells in a person possessing a mutation that completely prevents crossover?

Accepted Answer

A)  The new cells would have less genetic variability because crossing over contributes to proper chromosome shape, so parts of the chromosome would be non-functional.
B)  The new cells would have less genetic variability because whole chromosomes would only be entirely maternal or paternal.
C)  The new cells would have more genetic variability because crossing over limits transmission of maternal and paternal genes.
D)  The new cells would contain abnormal chromosome numbers because crossing over ensures proper division.E) A) and C)
F) A) and B)

Question 18

Measles can inflame the testes, impairing fertility by destroying cells in the seminiferous tubules.

Accepted Answer

A) True 
 B)False

Question 19

The ductus deferentia are muscular tubes, each about 25 centimeters long.

Accepted Answer

A) True 
 B)False

Question 20

The epididymis is a ________ and it ________.

Accepted Answer

A)  compartment inside a testis; secretes testosterone and forms sperm
B)  stage of spermatogenesis; forms two sperm cells and semen
C)  tightly coiled tube on the outside of the testis; is the location for sperm maturation
D)  compartment that contains seminiferous tubules; ejaculates spermE) A) and D)
F) B) and C)

Exam 22: Reproductive Systems

Correct Answer
verified

Male reproductive functions are controlled mainly by hormones from the hypothalamus and

Correct Answer
verified

The bulbourethral glands secrete

Correct Answer
verified

About the time of ovulation, the anterior pituitary gland releases a surge of

Correct Answer
verified

During the first meiotic division

Correct Answer
verified

The average length of the epididymis is

Correct Answer
verified

An increase in the level of FSH at approximately day 14 causes ovulation.

Correct Answer
verified

Capacitation makes sperm tails whip more quickly.

Correct Answer
verified

The prostate gland is the size and shape of a(n)

Correct Answer
verified

What would be true of the newly formed sex cells in a person possessing a mutation that completely prevents crossover?

Correct Answer
verified

Measles can inflame the testes, impairing fertility by destroying cells in the seminiferous tubules.

Correct Answer
verified

A hysterosalpinogram measures or shows

Correct Answer
verified

The last fluid expelled from the urethra during ejaculation comes from the

Correct Answer
verified

Undescended testes cause infertility because

Correct Answer
verified

Primary oocyte production begins before birth.

Correct Answer
verified

The epididymis is a and it .

Correct Answer
verified

In the reproductive cycle, estrogen , whereas progesterone .

Correct Answer
verified

Tamoxifen and raloxifene act by

Correct Answer
verified

Synapsis occurs during

Correct Answer
verified

The ductus deferentia are muscular tubes, each about 25 centimeters long.

Correct Answer
verified

Exam 22: Reproductive Systems

Correct AnswerverifiedShow Answer

Male reproductive functions are controlled mainly by hormones from the hypothalamus and

Correct AnswerverifiedShow Answer

The bulbourethral glands secrete

Correct AnswerverifiedShow Answer

About the time of ovulation, the anterior pituitary gland releases a surge of

Correct AnswerverifiedShow Answer

During the first meiotic division

Correct AnswerverifiedShow Answer

The average length of the epididymis is

Correct AnswerverifiedShow Answer

An increase in the level of FSH at approximately day 14 causes ovulation.

Correct AnswerverifiedShow Answer

Capacitation makes sperm tails whip more quickly.

Correct AnswerverifiedShow Answer

The prostate gland is the size and shape of a(n)

Correct AnswerverifiedShow Answer

What would be true of the newly formed sex cells in a person possessing a mutation that completely prevents crossover?

Correct AnswerverifiedShow Answer

Measles can inflame the testes, impairing fertility by destroying cells in the seminiferous tubules.

Correct AnswerverifiedShow Answer

A hysterosalpinogram measures or shows

Correct AnswerverifiedShow Answer

The last fluid expelled from the urethra during ejaculation comes from the

Correct AnswerverifiedShow Answer

Undescended testes cause infertility because

Correct AnswerverifiedShow Answer

Primary oocyte production begins before birth.

Correct AnswerverifiedShow Answer

The epididymis is a ________ and it ________.

Correct AnswerverifiedShow Answer

In the reproductive cycle, estrogen ________, whereas progesterone ________.

Correct AnswerverifiedShow Answer

Tamoxifen and raloxifene act by

Correct AnswerverifiedShow Answer

Synapsis occurs during

Correct AnswerverifiedShow Answer

The ductus deferentia are muscular tubes, each about 25 centimeters long.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The epididymis is a and it .

Correct Answer
verified

In the reproductive cycle, estrogen , whereas progesterone .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified