Question 1

Once GnRH is released from the hypothalamus and enters the hypothalamohypophysial portal system,

Accepted Answer

A)   testosterone is released from the anterior pituitary.
B)   the interstitial cells produce inhibin.
C)   estrogen production increases.
D)   FSH and LH secretion will occur.
E)   it will inhibit FSH and LH secretion.F) A) and E)
G) B) and C)

Question 2

Sperm cells are produced in the ________.

Accepted Answer

A)   rete testis
B)   efferent ductules
C)   seminiferous tubules
D)   vas deferensE) None of the above
F) A) and B)

Question 3

Semen is

Accepted Answer

A)   produced solely by the testis.
B)   a vaginal secretion needed to activate sperm cells.
C)   sperm cells plus the secretions of accessory glands.
D)   responsible for engorgement of erectile tissue of the penis.
E)   is composed only of sperm cells.F) None of the above
G) B) and D)

Question 4

Follicles in the ovary that are never ovulated

Accepted Answer

A)   undergo atresia.
B)   become the corpus albicans.
C)   form secondary follicles.
D)   undergo and complete meiosis in the ovary.
E)   proliferate.F) None of the above
G) C) and D)

Question 5

A reduction division is one in which

Accepted Answer

A)   the chemical reactions of oxidation and reduction take place.
B)   the daughter cells receive only half as many chromosomes as the parent cell had.
C)   one daughter cell is substantially reduced in size compared to the parent cell.
D)   the size of chromosomes is reduced from double-stranded to single-stranded.E) A) and B)
F) All of the above

Question 6

What is the cessation of menstruation referred to as?

Accepted Answer

A)   Menarche
B)   Menopause
C)   Climacteric
D)   PubarcheE) B) and D)
F) B) and C)

Question 7

Most of the seminal fluid is produced

Accepted Answer

A)   by the testes.
B)   by the seminal vesicles.
C)   by the prostate gland.
D)   by the bulbourethral glands.
E)   by the ejaculatory duct.F) A) and D)
G) C) and E)

Question 8

The ovary is surrounded by a capsule of fibrous connective tissue called the ________.

Accepted Answer

A)   mesovarium
B)   tunica albuginea
C)   peritoneum
D)   medulla
E)   tunica albaF) A) and B)
G) C) and D)

Question 9

Which of the following statements concerning the endometrium is false?

Accepted Answer

A)   Estrogen causes endometrial cells to proliferate.
B)   After ovulation, the endometrium becomes thicker.
C)   Rising progesterone levels cause the myometrium to contract.
D)   The uterine cycle makes the endometrium a hospitable environment for implantation.
E)   The endometrium receives the trophoblast.F) A) and E)
G) A) and C)

Question 10

The layer of the uterine wall that is shed during menstruation is the ________.

Accepted Answer

A)   perimetrium
B)   myometrium
C)   hymen
D)   endometrium
E)   vasometriumF) A) and E)
G) All of the above

Question 11

Which of the following events in the male sex act occurs last and results in ejaculation?

Accepted Answer

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 urethraF) B) and C)
G) C) and D)

Question 12

In males, both urine and male reproductive fluids travel through the ________.

Accepted Answer

A)   ureter
B)   urethra
C)   epididymis
D)   spermatic cord
E)   ductus deferensF) A) and B)
G) B) and D)

Question 13

Progesterone

Accepted Answer

A)   increases uterine tube motility.
B)   causes uterine muscle contractions.
C)   causes ovulation.
D)   causes cellular hypertrophy in the endometrium.
E)   causes cellular degeneration in the endometrium.F) B) and E)
G) B) and D)

Question 14

________ have 46 chromosomes, whereas ________ have 23.

Accepted Answer

A)   Spermatids; sperm cells
B)   Primary spermatocytes; spermatids
C)   Secondary spermatocytes; primary spermatocytes
D)   Spermatogonia; primary spermatocytesE) B) and C)
F) A) and D)

Question 15

The corpus luteum

Accepted Answer

A)   degenerates into the corpus albicans if pregnancy does not occur.
B)   is absolutely necessary during the first three months of pregnancy.
C)   produces mostly progesterone, but also some estrogen.
D)   All of the choices are correct.E) B) and C)
F) A) and B)

Question 16

Which of the following pairs is correctly matched?

Accepted Answer

A)   Broad ligaments - help support the uterus
B)   Cervix - lined with rugae
C)   Basal layer - layer of endometrium closest to uterine cavity
D)   Perimetrium - muscular coat of uterus
E)   Endometrium - connective tissue layerF) B) and D)
G) None of the above

Question 17

The sustentacular cells

Accepted Answer

A)   mature to form sperm cells.
B)   produce testosterone.
C)   provide nourishment for development of sperm cells.
D)   cover and protect most of the testes.
E)   produce seminal fluid.F) C) and D)
G) A) and B)

Question 18

Which of the following explains the neural mechanism of an erection?

Accepted Answer

A)   It is an autonomic reflex mediated predominantly by parasympathetic nerve fibers.
B)   It is an autonomic reflex mediated predominantly by sympathetic nerve fibers.
C)   It is a somatic reflex mediated predominantly by parasympathetic nerve fibers.
D)   It is a somatic reflex mediated predominantly by sympathetic nerve fibers.
E)   It is an exclusively voluntary action mediated by the cerebral cortex.F) C) and D)
G) B) and E)

Question 19

The longest portion of the male urethra is the ________ urethra.

Accepted Answer

A)   prostatic
B)   membranous
C)   spongy
D)   ductile
E)   glans penisF) B) and E)
G) C) and D)

Question 20

Frequently during childbirth, an episiotomy is performed. In this procedure the ________ is cut.

Accepted Answer

A)   vagina
B)   perineum
C)   labia majora
D)   labia minora
E)   mons pubisF) D) and E)
G) B) and C)

Exam 28: Reproductive System

Progesterone

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Most of the seminal fluid is produced

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Which of the following explains the neural mechanism of an erection?

Correct AnswerverifiedShow Answer

Semen is

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Once GnRH is released from the hypothalamus and enters the hypothalamohypophysial portal system,

Correct AnswerverifiedShow Answer

In males, both urine and male reproductive fluids travel through the ________.

Correct AnswerverifiedShow Answer

Sperm cells are produced in the ________.

Correct AnswerverifiedShow Answer

The longest portion of the male urethra is the ________ urethra.

Correct AnswerverifiedShow Answer

Which of the following pairs is correctly matched?

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________ have 46 chromosomes, whereas ________ have 23.

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The corpus luteum

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Frequently during childbirth, an episiotomy is performed. In this procedure the ________ is cut.

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The sustentacular cells

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What is the cessation of menstruation referred to as?

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Follicles in the ovary that are never ovulated

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The ovary is surrounded by a capsule of fibrous connective tissue called the ________.

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Which of the following statements concerning the endometrium is false?

Correct AnswerverifiedShow Answer

The layer of the uterine wall that is shed during menstruation is the ________.

Correct AnswerverifiedShow Answer

A reduction division is one in which

Correct AnswerverifiedShow Answer

Which of the following events in the male sex act occurs last and results in ejaculation?

Correct AnswerverifiedShow Answer

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have 46 chromosomes, whereas have 23.

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