Fall 2016 Found Child Development Chapter 3 Exam

• Question 1
5 out of 5 points

Genes

Answers: are directly observable human characteristics.
are rodlike structures, which store and transmit genetic information.
can be of different lengths perhaps 100 to several thousand ladder rungs long.
are long, double-stranded molecules that look like twisted ladders.

• Question 2
5 out of 5 points

A zygote has __________ chromosomes.

Answers: 21
23
42
46

• Question 3
5 out of 5 points

If the alleles from the parents differ, the child

Answers:
is heterozygous.
will display the inherited trait.
is a carrier.
is homozygous.

• Question 4
5 out of 5 points

Anthony has a recessive disease where his lungs, liver, and pancreas secrete large amounts of thick mucus. He has to undergo bronchial drainage treatments and must seek prompt treatment for respiratory infections. Anthony has

Answers: sickle cell anemia.
Cooley's anemia.
PKU.
cystic fibrosis.

• Question 5
5 out of 5 points

Which of the following statements is true about Down syndrome?

Answers: It is the most common recessive disease.
Because the mosaic type involves less genetic material, symptoms are usually more extreme.
It most often results from an error that occurs during the early stages of mitosis.
In 95 percent of cases, it results from a failure of the twenty-first pair of chromosomes to separate during meiosis.

• Question 6
5 out of 5 points

Disorders of the autosomes other than Down syndrome

Answers: rarely cause serious physical or cognitive impairments.
usually disrupt development so severely that miscarriage occurs.
are more likely to affect females than males.
often are not recognized until early adolescence.

• Question 7
5 out of 5 points

During __________, a small tube with a light source at one end is inserted into the uterus to inspect the fetus for defects of the limbs and face.

Answers:
fetoscopy
amniocentesis
chorionic villus sampling
an ultrafast MRI

• Question 8
5 out of 5 points

Albert, a hemophiliac, is undergoing treatment to correct genetic abnormalities by delivering DNA carrying a functional gene to the cells. This is an example of

Answers: genetic imprinting.
proteomics.
gene therapy.
chorionic villus sampling.

• Question 9
5 out of 5 points

Donor insemination results in __________ newborn babies in the United States each year.

Answers: 12,000
22,000
32,000
52,000

• Question 10
5 out of 5 points

Kelly is hoping to get pregnant. Kelly should know that most conceptions result from intercourse

Answers: during the last week of the menstrual cycle.
on the day of ovulation or during the 2 days preceding it.
during the first five days after ovulation.
during the first week of the menstrual cycle.

• Question 11
5 out of 5 points

Heart, muscles, ribs, backbone, and the digestive tract begin to develop during the

Answers: third trimester of pregnancy.
second trimester of pregnancy.
period of the embryo.
period of the zygote.

• Question 12
5 out of 5 points

Exposure to teratogens causes the most damage during the

Answers: period of the zygote.
second trimester of pregnancy.
period of the embryo.
third trimester of pregnancy.

• Question 13
5 out of 5 points

Which of the following statements is true about daughters of mothers who took DES to prevent miscarriages?

Answers: They were more likely than daughters of non-DES-exposed women to have twins and triplets.
They had more miscarriages than daughters of non-DES-exposed women.
They were born with gross deformities of the arms and legs.
They were born with immune system abnormalities.

• Question 14
5 out of 5 points

Which of the following statements is true about exercise during pregnancy?

Answers:
Most women do not engage in sufficient moderate exercise during pregnancy to promote their own and their baby's health.
Frequent, vigorous exercise, especially in late pregnancy, results in higher birth weight.
The more a woman exercises during pregnancy, the more physical discomforts she has during the final weeks.
In healthy, physically fit women, even moderate exercise is linked to decreased birth weight.

• Question 15
5 out of 5 points

Fortifying table salt with iodine virtually eradicates

Answers: spina bifida.
infantile diabetes.
infantile hypothyroidism.
anencephaly.

• Question 16
5 out of 5 points

The first stage of labor lasts an average of __________ with a first birth.

Answers: 50 minutes
1 to 3 hours
5 to 8 hours
12 to 14 hours

• Question 17
5 out of 5 points

Baby Giovanni's combined Apgar score is 5. This indicates that Giovanni

Answers: is in good physical condition.
is in serious danger.
requires assistance in establishing breathing and other vital signs.
requires emergency medical attention.

• Question 18
5 out of 5 points

In the 1950s and 1960s in Western nations, childbirth

Answers: usually included a choice of delivery positions.
usually involved medical procedures during labor and delivery.
involved early contact between parents and baby.
was a family-centered event.

• Question 19
5 out of 5 points

Which of the following positions for delivery involves a greater likelihood of a medication-free delivery?

Answers: back-lying
birthing stool

water birth
upright with feet in stirrups

• Question 20
5 out of 5 points

Anoxia is especially likely when

Answers: infants are in posterior position.
infants are in breech position.
delivery is by cesarean section.
delivery is by water birth.

• Question 21
5 out of 5 points

Which of the following infants is considered a preterm baby?

Answers: Jonah, who was born weighing 5¾ pounds
Abel, who was born at 37 weeks
Cane, who was born weighing 6 pounds
Noah, who was born at 32 weeks

• Question 22
5 out of 5 points

Edna, an expectant mother, does not seek prenatal care because she does not have a car and does not live near public transportation. This is an example of a(n)
Answers: inadequate intervention.
personal barrier.
other maternal factor.
situational barrier.

• Question 23
5 out of 5 points

Heritability research reveals that

Answers: there are significant ethnic differences in intelligence.
heredity plays a moderate role in intelligence.
heredity is minimally involved in intelligence.
genetic factors have little impact on personality.

• Question 24
5 out of 5 points

__________ is an example of a strongly canalized behavior.

Answers: Reasoning
Walking
Gender
Intelligence

• Question 25
5 out of 5 points

The majority of children prenatally exposed to nicotine

Answers: show low rates of oppositional behavior.
are at high risk for behavior problems.
have no lasting problems.
are at low to moderate risk for learning problems.