Homework answers / question archive / Louisiana State University PSYC 2070 Chapter 3: prenatal development and birth 1)is the practice of holding a diapered baby on your bare chest or between your breasts, with a blanket draped over the baby’s back

Louisiana State University PSYC 2070 Chapter 3: prenatal development and birth 1)is the practice of holding a diapered baby on your bare chest or between your breasts, with a blanket draped over the baby’s back

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Louisiana State University

PSYC 2070

Chapter 3: prenatal development and birth

1)is the practice of holding a diapered baby on your bare chest or between

your breasts, with a blanket draped over the baby’s back. Researchers have demonstrated that this skin-to-skin contact can be beneficial for both parents and babies. Select one:

a.            Kangaroo care

b.            Infant massage

c.             Preterm support

d.            Heartbeat therapy

2.            Mariah had a new baby six weeks ago. Mariah cries and worries a lot, is depressed, is not able to sleep well, and has extreme changes in her appetite. Given what researchers know about the

postpartum period, Mariah: Select one:

a.            should relax and help herself adjust.

b.            will score low on the Apgar Scale.

c.             is having a normal reaction.

d.            should seek professional counseling or assistance.

3.            Which is true of brain development? Select one:

a.            Some brain development continues after birth.

b.            The brain is (almost) completely developed at birth.

c.             The brain is (almost) completely developed at birth for children who were born “on time.”

Extensive development continues after birth for children who were born prematurely.

d.            Extensive brain development continues after birth.

4.            The Apgar Scale is a method used to assess the health of newborns. A score of 3 would: Select

one:

a.            indicate that the evaluator has not made a proper reading

b.            signal that there may be some developmental difficulties

c.             indicate that the newborn’s condition is good

d.            signal an emergency because the baby’s survival is in doubt

5.            At birth, the average American baby weighs       pounds and is approximately     

inches long. Select one:

a.            5½ pounds; 15 inches

b.            8½ pounds; 22 inches

c.             7½ pounds; 20 inches

d.            6½ pounds; 18inches

6.            Anita was born after 40 weeks of gestation and weighed 4 pounds. Anita would be considered:

                .               Select one:

a.            normal and average for babies born today

b.            preterm

c.             low birthweight

d.            premature

7.            During which period of development is the unborn baby MOST AT RISK of developing a

structural defect because of the effects of a teratogen? Select one:

a.            at conception

b.            during the germinal period

 

c.             during the fetal period

d.            during the embryonic period

8.            During delivery, which of the following diseases is transmitted to a newborn through the birth

canal? Select one:

a.            Diabetes

b.            Genital herpes

c.             West Nile Virus

d.            Rubella

9.            Which of the following statements about cocaine use during pregnancy is true? Select one:

a.            Cocaine exposure during prenatal development has no negative effects on the fetus.

b.            Cocaine molecules are too large to pass through the placenta.

c.             Cocaine quickly crosses the placenta to reach the fetus.

d.            Cocaine is broken down in the mother's bloodstream before it can reach the fetus.

10.          During pregnancy, which of the following organs or systems are the first to develop? Select one:

a.            liver

b.            urogenital system

c.             visual system

d.            spinal cord

11.          Which of the following identifies the order of the three periods of prenatal development in the

correct sequence? Select one:

a.            Gestational; germinal; postnatal

b.            Germinal; embryonic; fetal

c.             Fertile; embryonic; postterm

d.            Preterm; germinal; postterm

12.          The blastocyst is composed of an inner layer of cells that develops during the germinal period

and that will finally develop into the Select one:

a.            embryo.

b.            placenta.

c.             gamete.

d.            umbilical cord.

13.          The        consists of a group of tissues in which small blood vessels from the mother and

offspring intertwine, but do not connect. Select one:

a.            umbilical cord

b.            embryo

c.             amnion

d.            placenta

14.          Petra is in the fourth month of her pregnancy. Her unborn child is now referred to as: Select one:

a.            fetus.

b.            gamete.

c.             zygote.

d.            embryo.

15.                         and        are the two birth defects that occur when the neural tube fails to close 24 days

after conception. Select one:

a.            Trisomy 13; trisomy 18

 

b.            ADHD; autism

c.             Spina bifida; anencephaly

d.            Down syndrome; Tay-Sachs disease

16.          Which of the following statements is true about the impact of teratogens? Select one:

a.            Exposure to teratogens does more damage when it occurs at some points in development than

at others.

b.            Teratogens cause anatomical defects only after organogenesis is complete.

c.             Very few fetuses are exposed to teratogens, so it is easy to determine which teratogen causes

which defect.

d.            Fetuses are safe from the effects of teratogens during the first trimester.

17.          The second stage of childbirth begins with the   and ends with the: Select one:

a.            emergence of the child’s head; delivery of the placenta.

b.            opening of the cervix; delivery of the child out of the mother.

c.             emergence of the child’s head; delivery of the child out of the mother.

d.            opening of the cervix; delivery of the placenta.

18.          Which of the following techniques is used to overcome the threat of problems related to the

breech position during delivery? Select one:

a.            Acupuncture

b.            Message therapy

c.             Cesarean section

d.            Music therapy

19.          Which of the following statements is TRUE about the different conditions that pose threats for

newborns? Select one:

a.            Low birth weight babies weigh between six to seven pounds.

b.            Low birth weight babies weigh less than 90 percent of all babies of the same gestational age.

c.             Small for date infants have below normal weight when the length of the pregnancy is

considered.

d.            Small for date infants weigh less than five and a half pounds at birth.

20.          The Brazelton Neonatal Behavioral Assessment Scale is typically performed within           after

birth. Select one:

a.            one to two weeks

b.            two to five days

c.             two to five hours

d.            24 to 36 hours