Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Sperm
and eggs are both a. | haploid. | c. | tetraploid. | b. | diploid. | d. | None of the above | | | | |
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2.
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Refer
to the illustration above. The scrotum is indicated by label
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3.
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Refer
to the illustration above. The bulbourethral gland is indicated by label
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4.
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Refer
to the illustration above. The structure labeled C is the a. | urinary
bladder. | c. | prostate
gland. | b. | scrotal sac. | d. | bulbourethral gland. | | | | |
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5.
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A
sperm cell consists of a tail used for locomotion, and a head that contains ____, which help(s) the
sperm cell penetrate an egg cell. a. | semen | c. | enzymes | b. | RNA | d. | mucus | | | | |
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6.
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The
midpiece of a sperm cell contains many ____, which supply sperm with the energy needed to propel
themselves through the female reproductive system. a. | nuclei | c. | tubules | b. | mitochondria | d. | heads | | | | |
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7.
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The
process by which sperm leave the male’s body is called a. | secretion. | c. | diffusion. | b. | ejaculation. | d. | locomotion. | | | | |
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8.
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In
which of the following ways are mature human sperm and eggs similar? a. | They both have
the same number of chromosomes in their nuclei. | b. | They are both
the same size. | c. | They are both equipped with a flagellum that provides
motility. | d. | They are both produced after
ovulation. | | |
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9.
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Refer
to the illustration above. Eggs mature in the structure labeled
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10.
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Refer
to the illustration above. The structure labeled C is a. | a fallopian
tube. | c. | the
uterus. | b. | the urethra. | d. | a ureter. | | | | |
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11.
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Refer
to the illustration above. The structure labeled C is a(n) a. | immature
follicle. | c. | mature
egg. | b. | follicle
beginning to break down. | d. | immature
egg. | | | | |
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12.
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Refer
to the illustration above. The structure labeled A is a. | a
follicle. | c. | the
uterus. | b. | an egg cell. | d. | an ovary. | | | | |
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13.
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The
muscular structure in which the fetus develops is the a. | vagina. | c. | cervix. | b. | fallopian tube. | d. | uterus. | | | | |
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14.
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The
entrance to the uterus is called the a. | vagina. | c. | cervix. | b. | uterus. | d. | diaphragm. | | | | |
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15.
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If no
embryo arrives after the uterus has prepared to receive it, a. | birth will occur
later than the usual nine months. | b. | the lining of the uterus stays intact in preparation for
another embryo. | c. | the lining of the uterus is expelled from the body in menstrual
blood. | d. | None of the above | | |
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16.
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During implantation, a. | the follicle matures. | c. | the sperm reaches the egg. | b. | the embryo
implants in the uterine wall. | d. | menstruation
occurs. | | | | |
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17.
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The
attachment of an embryo into the uterine wall is known as a. | implantation. | c. | labor. | b. | development. | d. | fertilization. | | | | |
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18.
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Embryonic cells are organized into the major organ systems a. | during the sixth
month. | c. | during the
second trimester. | b. | by the end of the first
trimester. | d. | just before
birth. | | | | |
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19.
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The
embryo is formed a. | in the
ovary. | c. | at
fertilization. | b. | during the third trimester of
pregnancy. | d. | when the
fertilized egg divides. | | | | |
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20.
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Pregnancy is often divided into three 3-month periods known as a. | quarters. | c. | trimesters. | b. | fetal development. | d. | ovarian cycles. | | | | |
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21.
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Sexually transmitted diseases such as gonorrhea and chlamydia, which are caused by
bacteria, a. | are almost
always incurable. | b. | are a direct result of viral infections in a
fetus. | c. | can usually be treated with
antibiotics. | d. | None of the above | | |
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22.
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Gonorrhea can be acquired a. | by sharing glassware and dishes with infected
persons. | b. | through sexual contact with infected
persons. | c. | by swimming in infected swimming
pools. | d. | through poor personal hygiene habits. | | |
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23.
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AIDS
is caused by
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24.
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The
most common sexually transmitted disease in the United States that is caused by bacteria
is a. | gonorrhea. | c. | syphilis. | b. | AIDS. | d. | chlamydia. | | | | |
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25.
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Pelvic inflammatory disease (PID) is the one of the most common causes of ____ in
women. a. | embryonic
developmental problems | c. | abortions | b. | prolonged labor | d. | infertility | | | | |
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