Biomed 100 Practice Quiz
Chapter 19, Fall 2006
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  1. The acrosome of a sperm cell contains _?_ that help the sperm penetrate the oocyte during fertilization.
    1. ATP
    2. fuels
    3. chromosomes
    4. enzymes
      5.
    5. hormones

  2. Of the different tubes through which sperm pass in a man's body, the longest is the...
    1. urethra
    2. vas deferens
      3.
    3. ejaculatory duct

  3. True or false? A major function of the seminal vesicles is to assure that the pH of semen is exactly neutral (neither acidic nor alkaline).
    1. True.
    2. False.
      3.

  4. Which hormone is most directly responsible for enlargement of the larynx and development of facial and body hair in young men?
    1. LH
    2. FSH
    3. testosterone
      4.
    4. GnRH (releasing hormone)

  5. At the time of ovulation, a(n) is released from an ovary.
    1. polar body
    2. corpus luteum
    3. primary follicle
    4. primary oocyte
    5. secondary oocyte
      6.

  6. Which of the following statements about the uterine tubes is true?
    1. The uterine tubes penetrate the uterine wall and empty into the uterine cavity.
    2. There are cilia in the lining of the uterine tube that help move mucus, cells, etc. toward the uterus.
    3. Both of the above are true.
      4.
    4. None of the above are true.

  7. When a girl is born, her ovaries contain...
    1. no follicles.
    2. one primary follicle.
    3. millions of primary follicles.
    4. one primordial follicle.
    5. millions of primordial follicles.
      6.

  8. Which one of the following is not true of a zygote?
    1. is created when sperm nucleus fuses with ovum (egg) nucleus
    2. is considered two (2) cells
      3.
    3. contains 46 chromosomes
    4. contains 23 chromosomes from the sperm nucleus
    5. contains 23 chromosomes from the ovum (egg) nucleus

  9. Fertilization normally occurs in the...
    1. ovarian follicle
    2. lining of uterine tube
      3.
    3. endometrium of uterus
    4. myometrium of uterus
    5. vagina

  10. Implantation normally occurs in the...
    1. ovarian follicle
    2. lining of uterine tube
    3. endometrium of uterus
      4.
    4. myometrium of uterus
    5. vagina

  11. If a woman becomes pregnant, implantation occurs approximately _?_ after ovulation occured.
    1. one day
    2. one week
      3.
    3. two weeks
    4. four weeks
    5. nine months

  12. In a female, gonadotropins are produced by...
    1. the hypothalamus.
    2. the anterior pituitary.
      3.
    3. the ovaries, prior to ovulation.
    4. the ovaries, after ovulation.

  13. In a typical ovarian cycle...
    1. an increase in FSH in week one leads to an increase in estrogens in week 2.
      2.
    2. an increase in estrogens in week one leads to an increase in FSH in week 2.
    3. there is no relationship between FSH and estrogens unless the woman is pregnant.

  14. The most direct cause of ovulation is a sudden _?_ in the hormone _?_.
    1. increase / LH
      2.
    2. increase / hCG
    3. decrease / estrogens
    4. decrease / progesterone

  15. Following ovulation, the corpus luteum is responsible for producing...
    1. LH
    2. FSH
    3. hCG
    4. progesterone
      5.

  16. High levels of ovarian hormones estrogen and progesterone are likely to...
    1. cause ovulation
    2. cause menstruation
    3. cause the hypothalamus to activate the pituitary gland
    4. cause the endometrium of the uterus to become thicker and develop vessels, glands, etc.
      5.

  17. True or false? In a woman who is not pregnant, the progesterone level reaches its peak at the end of week four.
    1. True.
    2. False.
      3.

  18. Under certain circumstances, human chorionic gonadotropin (hCG) is produced by...
    1. the hypothalamus
    2. the pituitary gland
    3. the ovaries
    4. the outer cells of an embryo
      5.
    5. the endometrium of the uterus