Question 1

Once ejaculation occurs during copulation, the sperm can remain viable for only two days.

Accepted Answer

A) True 
 B)False

Question 2

Follicle -stimulating hormone (FSH)  and testosterone stimulate the growth and development of sperm

Accepted Answer

A)   indirectly by binding to Sertoli cells.
B)   directly by binding to sperm.
C)   indirectly by binding to interstitial cells.
D)   indirectly by binding to androgen -binding protein.
E)   indirectly by binding to Leydig cells.

Question 3

Which of the following is the correct order of sperm development? of the

Accepted Answer

A)   spermatogonia, primary spermatocyte, secondary spermatocyte, spermatid, spermatozoa
B)   spermatozoa, spermatogonia, primary spermatocyte, secondary spermatocyte, spermatid
C)   spermatid, primary spermatocyte, secondary spermatocyte, spermatogonia , spermatozoa
D)   spermatogonia primary spermatocyte, secondary spermatocyte, spermatozoa, spermatid
E)   spermatid, secondary spermatocyte, primary spermatocyte, spermatogonia, spermatozoa

Question 4

Which of the following contains the srY gene?

Accepted Answer

A)   haploid
B)   sex chromosomes
C)   alleles
D)   autosomes
E)   diploid

Question 5

What provides nutrients to the developing gamete via gap junctions?

Accepted Answer

A)   Sertoli cell
B)   Leydig cell
C)   granulosa cell
D)   theca cell

Question 6

What are different variations of the same gene called?

Accepted Answer

A)   alleles
B)   diploid
C)   haploid
D)   autosomes
E)   sex chromosomes

Question 7

What secretes a lubricating fluid into the vagina that facilitates the entry of the penis during copulation?

Accepted Answer

A)   vestibular (Bartholin's)  gland
B)   labia minor
C)   hymen
D)   uterus
E)   cervix

Question 8

During spermatogenesis, only the ______are haploid cells that require further differentiation in order to become functional spermatozoa.

Accepted Answer

A)   primary spermatocytes
B)   spermatogonia
C)   spermatids
D)   secondary spermatocytes
E)   tertiary spermatocytes

Question 9

When does the zona pellucida develop?

Accepted Answer

A)   when follicles are in the early antral stage
B)   when follicles are in the preantral stage
C)   after fertilization
D)   when follicles are in the late antral stage
E)   when follicles are in the primordial phase

Question 10

Which of the following secretes Müllerian inhibiting substance?

Accepted Answer

A)   theca cell
B)   Leydig cell
C)   granulosa cell
D)   Sertoli cell

Question 11

What secretes a viscous mucus just prior to ejaculation?

Accepted Answer

A)   seminal vesicles
B)   vestibular glands
C)   prostate gland
D)   bulbourethral glands

Question 12

After the second meiotic division, each cell contains

Accepted Answer

A)   either two maternal or two paternal sister chromatids.
B)   a random mixture of maternal and paternal alleles on each of two sister chromatids.
C)   a maternal and a paternal sister chromatid.
D)   either a maternal or a paternal sister chromatid.
E)   a random mixture of maternal and paternal alleles on one sister chromatid.

Question 13

What structure conducts sperm from the epididymis to the ejaculatory duct?

Accepted Answer

A)   vas deferens
B)   rete testis
C)   urethra
D)   seminal vesicles
E)   scrotum

Question 14

Enzymes that facilitate entry of sperm into the ova are contained within the_______ of the spermatozoa.

Accepted Answer

A)   midpiece
B)   tail
C)   mitochondria
D)   acrosome
E)   flagella

Question 15

What stimulates androgen synthesis in both males and females?

Accepted Answer

A)   inhibin
B)   estrogens
C)   progesterone
D)   FSH
E)   LH

Question 16

Sperm are unable to fertilize the egg upon entry into the vagina and must undergo______ , allowing them to______ , which facilitates fertilization.

Accepted Answer

A)   capacitation : activate the acrosome
B)   implantation : move faster
C)   capacitation : more readily adhere to the ovum
D)   resistation : activate the acrosome
E)   resistation : move faster

Question 17

The Müllerian ducts are precursors for the male reproductive tract.

Accepted Answer

A) True 
 B)False

Question 18

During ovulation, how is an oocyte released by the ovary?

Accepted Answer

A)   exocytosis
B)   primary active transport
C)   margination
D)   diapedesis
E)   The follicle with the oocyte is pressed tight against the ovary wall and bursts.

Question 19

Each oocyte remains under meiotic arrest until just before

Accepted Answer

A)   puberty.
B)   the third month of embryonic life.
C)   ovulation.
D)   fertilization.
E)   birth.

Question 20

The corpus luteum degenerates once fertilization occurs.

Accepted Answer

A) True 
 B)False

Exam 22: The Reproductive System

What secretes a viscous mucus just prior to ejaculation?

Correct AnswerverifiedShow Answer

Sperm are unable to fertilize the egg upon entry into the vagina and must undergo______ , allowing them to______ , which facilitates fertilization.

Correct AnswerverifiedShow Answer

What secretes a lubricating fluid into the vagina that facilitates the entry of the penis during copulation?

Correct AnswerverifiedShow Answer

The Müllerian ducts are precursors for the male reproductive tract.

Correct AnswerverifiedShow Answer

Which of the following is the correct order of sperm development? of the

Correct AnswerverifiedShow Answer

What are different variations of the same gene called?

Correct AnswerverifiedShow Answer

During ovulation, how is an oocyte released by the ovary?

Correct AnswerverifiedShow Answer

Follicle -stimulating hormone (FSH) and testosterone stimulate the growth and development of sperm

Correct AnswerverifiedShow Answer

Once ejaculation occurs during copulation, the sperm can remain viable for only two days.

Correct AnswerverifiedShow Answer

When does the zona pellucida develop?

Correct AnswerverifiedShow Answer

Which of the following contains the srY gene?

Correct AnswerverifiedShow Answer

What provides nutrients to the developing gamete via gap junctions?

Correct AnswerverifiedShow Answer

Each oocyte remains under meiotic arrest until just before

Correct AnswerverifiedShow Answer

Which of the following secretes Müllerian inhibiting substance?

Correct AnswerverifiedShow Answer

After the second meiotic division, each cell contains

Correct AnswerverifiedShow Answer

Enzymes that facilitate entry of sperm into the ova are contained within the_______ of the spermatozoa.

Correct AnswerverifiedShow Answer

During spermatogenesis, only the ______are haploid cells that require further differentiation in order to become functional spermatozoa.

Correct AnswerverifiedShow Answer

What structure conducts sperm from the epididymis to the ejaculatory duct?

Correct AnswerverifiedShow Answer

The corpus luteum degenerates once fertilization occurs.

Correct AnswerverifiedShow Answer

What stimulates androgen synthesis in both males and females?

Correct AnswerverifiedShow Answer

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Sperm are unable to fertilize the egg upon entry into the vagina and must undergo , allowing them to , which facilitates fertilization.

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