Multiple Choice: Identify the choice that best completes the statement
or answers the question.
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1.
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From implantation to approximately 8 weeks, the cluster of cells is called
a(n)
A. | fetus. | C. | embryo. | B. | zygote. | D. | egg cell. |
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2.
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The blood-rich tissue that lines the walls of the uterus during pregnancy and
nourishes the embryo is the
A. | amniotic sac. | C. | umbilical cord. | B. | placenta. | D. | uterus. |
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3.
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The mother’s blood supply and the embryo’s blood supply
A. | always flow together. | C. | sometimes flow together. | B. | mix in the umbilical
cord. | D. | are kept
separate. |
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4.
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Which of the following is NOT a stage of labor?
A. | breaking of water | C. | passage through birth canal | B. | afterbirth | D. | dilation |
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5.
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The nutrient that makes red blood cells and supplies oxygen to cells is
A. | iron. | C. | calcium. | B. | folic acid. | D. | vitamin A. |
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6.
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Babies born with Fetal Alcohol Syndrome can suffer
A. | slowed growth. | C. | mental retardation. | B. | heart defects. | D. | all of the
above |
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7.
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Environmental hazards that might be harmful to a fetus include
A. | lead paint | C. | kitty liter | B. | smog. | D. | all of the
above |
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8.
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An example of a trait you inherit from your parents is
A. | eye color. | C. | earlobe shape. | B. | hair color. | D. | all of the
above |
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9.
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Most cells in your body contain
A. | 48 chromosomes. | C. | 24 chromosomes. | B. | 46 chromosomes. | D. | 23 chromosomes |
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10.
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In humans, gender is determined by
A. | two pairs of chromosomes. | C. | one pair of
chromosomes. | B. | one dominant gene. | D. | one recessive gene. |
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11.
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Amniocentesis is a
A. | genetic disorder. | C. | genetic code. | B. | medical procedure. | D. | gene therapy. |
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12.
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Miscarriage and stillbirth
A. | can occur even when the pregnant female gets good prenatal care. | B. | always indicate that
the pregnant female used drugs or alcohol during pregnancy. | C. | do not occur in
women who abstain from illegal substances. | D. | are the result of ectopic
pregnancies. |
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13.
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In the first four weeks of embryonic and fetal development,
A. | the fetus may suck its thumb. | C. | the fetus can
hear. | B. | the heart begins to beat. | D. | the sex organs develop. |
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14.
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Contractions
A. | start in the early stages of pregnancy. | B. | stop when the baby
emerges from the mother’s body. | C. | cause the cervix to widen. | D. | become weaker as
labor approaches. |
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15.
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A pregnant female may harm her fetus by
A. | exercising moderately. | B. | increasing her intake of folic
acid. | C. | avoiding caffeine. | D. | gaining more than 35
pounds. |
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16.
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Which of the following is passed from the pregnant female to the fetus through
the umbilical cord?
A. | nutrients | C. | oxygen | B. | alcohol | D. | all of the
above |
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17.
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Alcohol and tobacco
A. | are safe in small amounts late in pregnancy. | B. | cause problems that
clear up once the baby is born. | C. | pass through the umbilical cord from the
pregnant female to the fetus. | D. | cause the same health problems in fetuses as
they do in adults. |
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18.
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An amniocentesis
A. | can show what genetic abnormalities the mother has. | B. | is performed after
birth to check for PKU. | C. | is used to treat genetic disorders such as
hemophilia. | D. | indicates whether the baby has a genetic disorder. |
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19.
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Which of the following is an accurate statement?
A. | A baby’s gender depends on the chromosome in the egg. | B. | Two X chromosomes
result in a male. | C. | A baby's gender is determined by the
sperm. | D. | Each egg and sperm cell contain a full set of 46
chromosomes. |
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Matching
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Match each term with the best definition below. A. | genes | F. | gene therapy | B. | fertilization | G. | miscarriage | C. | amniotic
sac | H. | CVS | D. | DNA | I. | stillbirth | E. | placenta | J. | heredity |
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20.
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the passing of traits from parents to their children
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21.
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a thick, blood-rich tissue that lines the walls of the uterus during pregnancy
and nourishes the embryo
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22.
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the basic units of heredity
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23.
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the expulsion of a dead fetus from the body after the 20th week of
pregnancy
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24.
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the chemical unit that makes up chromosomes
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25.
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a procedure in which a small piece of membrane is removed from the layer of
tissue that develops into the placenta
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26.
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a thin, fluid-filled membrane that surrounds and protects the developing
embryo
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27.
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the union of a male sperm cell and a female egg cell
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28.
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the process of inserting normal genes into human cells to correct genetic
disorders
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29.
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the spontaneous expulsion of a fetus that occurs before the 20th week of
pregnancy
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Match each term with the best definition below. A. | implantation | F. | umbilical cord | B. | prenatal care | G. | ectopic pregnancy | C. | genetic
disorders | H. | amniocentesis | D. | fetal alcohol syndrome | I. | birthing center | E. | labor | J. | chromosomes |
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30.
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the final stage of pregnancy in which the uterus contracts and pushes the baby
out of the mother’s body
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31.
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a procedure in which a syringe is inserted through a pregnant female’s
abdominal wall into the amniotic fluid surrounding the developing fetus
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32.
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Sometimes as a result of a sexually transmitted disease, the zygote can't
pass to the uterus, and ____ is the result.
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33.
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disorders caused partly or completely by a defect in genes
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34.
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the attachment of a zygote to the uterine wall
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35.
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threadlike structures found within the nucleus of a cell that carry the codes
for inherited traits
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36.
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steps that a pregnant female can take to provide for her own health and for the
health of her baby
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37.
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a facility in which females with low-risk pregnancies can deliver their babies
in a homelike setting
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38.
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a group of alcohol-related birth defects that includes both physical and mental
problems
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39.
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a ropelike structure that connects the embryo and the mother’s
placenta
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Short Answer: Answer each using complete sentences.
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40.
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What is involved in proper prenatal care?
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41.
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What substances should be avoided during pregnancy? How can they harm the
developing fetus?
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