Ch. 39 - Endocrine and Reproductive Systems
Multiple Choice
Identify the choice that best completes the statement or
answers the question.
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1.
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The endocrine system is made up
of
a. | hormones. | c. | gonads. | b. | glands. | d. | prostaglandins. |
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2.
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The endocrine
system
a. | affects only the reproductive
system. | b. | releases hormones into the bloodstream. | c. | competes with the nervous
system. | d. | is made up primarily of glands with
ducts. |
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3.
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Unlike endocrine glands,
exocrine glands
a. | release secretions through
ducts. | b. | release hormones. | c. | release secretions directly into the
bloodstream. | d. | are found throughout the body. |
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4.
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Unlike nonsteroid hormones,
steroid hormones
a. | remain outside the target
cell. | c. | have no target
cells. | b. | bind to receptors inside the target cell. | d. | are made of proteins. |
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5.
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Which endocrine gland secretes
sex hormones?
a. | adrenal
medulla | c. | hypothalamus | b. | testis | d. | pituitary |
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6.
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Which gland fails to produce
enough of its hormone in the disease diabetes mellitus?
a. | adrenal | c. | pancreas | b. | hypothalamus | d. | parathyroid |
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7.
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Which gland produces
epinephrine and norepinephrine?
a. | parathyroid | c. | pituitary | b. | hypothalamus | d. | adrenal |
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8.
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Puberty usually begins between
the ages of
a. | 5 and
8. | c. | 16 and
19. | b. | 9 and 15. | d. | 20 and 25. |
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9.
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The testes and the ovaries do
not begin making active reproductive cells until
a. | birth. | c. | gastrulation. | b. | fertilization. | d. | puberty. |
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10.
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Testosterone is needed for the
development of
a. | eggs. | c. | the uterus. | b. | sperm. | d. | all of the above |
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11.
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Specialized sex cells are known
as
a. | gametes. | c. | gonads. | b. | hormones. | d. | organs. |
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12.
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Which structure produces
sperm?
a. | scrotum | c. | seminiferous tubules | b. | epididymis | d. | vas deferens |
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13.
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Which of the following is NOT a
phase in the menstrual cycle?
a. | menstruation | c. | fertilization | b. | luteal | d. | ovulation |
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14.
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When during the menstrual cycle
does an egg have the best chance of being fertilized?
a. | during the follicular
phase | c. | the beginning of the luteal
phase | b. | just before menstruation | d. | the day of ovulation |
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15.
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One menstrual cycle usually
lasts about a
a. | day. | c. | month. | b. | week. | d. | year. |
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16.
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Which of the following are
required for fertilization to occur inside the female body?
a. | Sperm must swim into a Fallopian
tube. | b. | An egg must be present in the Fallopian
tube. | c. | The nucleus of a sperm must enter an egg
cell. | d. | all of the above |
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17.
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Which of the following forms
during gastrulation?
a. | endoderm | c. | mesoderm | b. | ectoderm | d. | all of the above |
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18.
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Which of the following
processes happens last?
a. | gastrulation | c. | fertilization | b. | implantation | d. | ovulation |
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19.
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If a woman is exposed to HIV
during her pregnancy, the
a. | placenta will protect the fetus from
the HIV viruses. | b. | HIV viruses can cross the placenta and harm the
fetus. | c. | HIV viruses could harm the placenta. | d. | fetus will probably recover quickly from the
disease. |
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20.
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Which stage of the human life
cycle occurs first?
a. | puberty | c. | adolescence | b. | adulthood | d. | childhood |
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