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The primary sex organs of the male reproductive system are the ________.

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The culmination of sexual stimulation,which is accompanied by a sense of physiological and psychological release,is called ________.

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Mechanical barriers used in birth control include


A) the male condom.
B) the female condom.
C) the diaphragm.
D) a cervical cap.
E) all of the above.

F) None of the above
G) A) and E)

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An increase in the level of follicle-stimulating hormone at approximately day 14 of the menstrual cycle causes ovulation.

A) True
B) False

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Undifferentiated spermatogenic cells are called


A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.
E) sperm.

F) A) and E)
G) B) and E)

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The tail of a sperm cell is a ________.

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The period when female reproductive cycles cease is ________.

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The primary organs of the female reproductive system are the uterus and vagina.

A) True
B) False

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The endometrium is the inner layer of the


A) uterine tube.
B) uterus.
C) vagina.
D) labia minora.
E) vestibule.

F) A) and C)
G) C) and D)

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Symptoms of sexually transmitted infections include all except


A) a burning sensation during urination.
B) fever.
C) increased sex drive.
D) sores,blisters,bumps,or rash.
E) discharge from the vagina or penis.

F) B) and D)
G) A) and D)

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Women athletes sometimes experience disturbances in their reproductive cycles because of


A) increased secretion of adrenal androgens.
B) decreased secretion of adrenal androgens.
C) increased synthesis of estrogens.
D) decreased synthesis of estrogens.
E) none of the above.

F) A) and D)
G) C) and D)

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Sperm cells are produced by the spermatogenic cells that line the ________.

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seminifero...

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A Pap smear is used to detect abnormal cells in the


A) urethra.
B) ovary.
C) cervix.
D) vagina.
E) uterine tube.

F) B) and E)
G) A) and B)

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Testicular cancer is most likely to originate from


A) connective tissue cells of the seminiferous tubules.
B) epithelial cells of the seminiferous tubules.
C) intestinal cells.
D) mediastinal cells.
E) epidermal cells of the scrotum.

F) D) and E)
G) A) and E)

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The male and female reproductive systems


A) produce sex cells.
B) transport sex cells to sites of fertilization.
C) secrete hormones for developing secondary sex characteristics.
D) secrete hormones for maintaining secondary sex characteristics.
E) do all of the above.

F) A) and B)
G) C) and E)

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Preventing fertilization is called ________.

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The cells in the testis that produce male sex hormones are called


A) spermatogenic cells.
B) interstitial cells.
C) germinal epithelial cells.
D) seminiferous cells.
E) spermatogonia.

F) B) and D)
G) B) and E)

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Meiosis occurs during


A) spermatogenesis only.
B) oogenesis only.
C) both spermatogenesis and oogenesis.
D) neither spermatogenesis nor oogenesis.
E) tissue repair.

F) A) and B)
G) A) and E)

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The hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is


A) estrogen.
B) progesterone.
C) androgen.
D) luteinizing hormone.
E) follicle-stimulating hormone.

F) A) and B)
G) A) and C)

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The head of a sperm consists mostly of


A) mitochondria.
B) neurons.
C) membranes.
D) the nucleus.
E) microtubules.

F) C) and D)
G) A) and B)

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