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34 Cards in this Set
- Front
- Back
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The spermatogenic cells that line the seminiferous tubules produce sperm. (True or false) |
True |
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infertility is failure of ovulation due to hyposecretion of hormones from the_____.
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anterior pituitary gland |
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A circumcision removes____. |
The prepuce |
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About the time of ovulation, the anterior pituitary gland releases a surge of____. |
LH |
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The structure of a testis can be described as composed of___. |
about 250 lobules, each of which contains 1 to 4 seminiferous tubules |
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The female structure that corresponds to the male penis is the___. |
The Clitoris |
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The structure the sperm enters upon exiting the ductus deferens is the___. |
Ejaculatory duct |
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Gonadotropins include FSH and LH. (true or false) |
True |
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Semen_____. |
All the Above:
*consists of sperm and secretions.
*is alkaline.
*includes prostaglandins and nutrients. |
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Male secondary sex characterisitics include____. |
All the Above:
*thickening of the bones.
*increased muscular growth.
*increased growth of body hair. |
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Each epididymis emerges from the bottom of a testis. (True or false) |
False |
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The hormone responsible for the development and maintenance of male secondary sex characteristics______. |
Testosterone |
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Primary oocyte production begins before birth. (True or False) |
True |
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The epithelium of the seminiferous tubules consists of_______. |
spermatogenic cells and sustentacular cells. |
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The primary organs of the female reproductive system are the uterus and vagina.
(true or false) |
False |
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Fertilization normally occurs in the______. |
The Uterine Tube (Fallopian tubes) |
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An increase in the level of FSH at approximately day 14 causes ovulation. (true or false) |
False |
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The prostate gland is the size and shape of a______. |
Walnut or Chesnut |
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The interstitial cells of the testes produce______. |
Androgens |
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Sperm cells mature in the_____. |
Epididymis |
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In females, which structure is immediately anterior to the vagina? |
Urethra |
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The hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is______. |
Estrogen |
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The epididymis, coiled on the outer surface of the testis, becomes the______. |
Ductus deferens |
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The head of a sperm is mostly ____. |
Nucleus |
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Undescended testes cause infertility because_____. |
sperm development is impeded by the higher internal body temperature. |
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The inner mucosal layer of the uterine wall is the________. |
Endometrium |
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The ductus deferentia are muscular tubes, each about 25 centimeters long.
(True or false) |
False |
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The number of sperm cells that form from a primary spermatocyte is______. |
4 |
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A Pap smear is used to detect abnormal cells in the_____. |
Cervix |
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In the reproductive cycle, estrogen _____, whereas progesterone _____. |
stimulates uterine wall development; stimulates the uterine lining to become more glandular |
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The first step in oogenesis is a____. |
primary oocyte divides to form a secondary oocyte and a first polar body. |
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Male reproductive functions are controlled mainly by hormones from the hypothalamus, and____. |
anterior pituitary gland and testes. |
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Which of the following correctly describes an erection? |
Parasympathetic neurons release nitric oxide causing dilation of small arteries in the penis. |
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Meiosis is necessary because___. |
otherwise the fertilized ovum will have too much genetic material. |
