CD 001 - Child Growth and Development » Fall 2022 » Quiz Chapter 2

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Question #1
How many pairs of chromosomes does a normal human being have?
A.   23
B.   46
C.   28
D.   25
Question #2
Which of the following is true of meiosis?
A.   It refers to the addition of an extra 21st chromosome.
B.   It represents the process by which the egg and sperm combine.
C.   It results in two cells, each with 46 chromosomes.
D.   It reduces the number of chromosomes by half.
Question #3
The process of cell division that produces copies of cells with 46 chromosomes each is called
A.   meiosis
B.   mitosis
C.   translocation
D.   diffusion
Question #4
The normal complement of sex chromosomes for a female is _____, and for a male it is _____.
A.   XX; XO
B.   YO; XO
C.   XX; XY
D.   XY; YX
Question #5
An individual's _____ consists of his/her observable traits; an individual's _____ is his/her underlying genetic pattern.
A.   dominant inheritance; homozygosis
B.   phenotype; genotype
C.   incomplete dominance; phenotype
D.   dominant inheritance; recessive inheritance
Question #6
Dan and Fiona decided to utilize technology to overcome their infertility problems. They chose a procedure in which a mature ovum was surgically removed, fertilized in a laboratory dish, and then implanted in the Fiona's uterus. This technique is called
A.   in vitro fertilization
B.   artificial insemination
C.   gamete intrafallopian transfer
D.   surrogacy
Question #7
The zygote grows into an embryo and then a fetus.
A.   False
B.   True
Question #8
The proximodistal principle dictates that development proceeds from the head to the lower part of the trunk.
A.   True
B.   False
Question #9
Pregnant women typically need only 300 additional calories a day.
A.   False
B.   True
Question #10
The _____ develops in the uterus to allow oxygen, nourishment, and wastes to pass between mother and embryo.
A.   placenta
B.   ectoderm
C.   follicle
D.   amniotic sac
Question #11
Tehra's obstetrician is using a medical procedure that employs high-frequency sound waves to detect the outline of the fetus and to observe its movements. This is called
A.   bioacoustics
B.   amniocentesis
C.   karotyping
D.   ultrasound
Question #12
Environmental factors that may cause developmental abnormalities are called
A.   teratogen
B.   androgens
C.   progestins
D.   estrogens
Question #13
Which of the following statements best describes the appropriate level of physical activity for pregnant women?
A.   Pregnant women should reduce all physical activities to the bare minimum in the last month of their pregnancy.
B.   Pregnant women should exercise moderately throughout their pregnancy.
C.   Pregnant women should exercise strenuously to promote circulation.
D.   Pregnant women should engage in exercises only in the first trimester as the risk of miscarriage is low.
Question #14
In which of the following procedures is a sample of fluid taken from around the fetus and analyzed for possible defects?
A.   Ultrasound
B.   Embryoscopy
C.   Amniocentesis
D.   Chorionic villus sampling
Question #15
Chorionic villus sampling
A.   is a procedure which allows direct access to fetal DNA in the blood vessels of the umbilical cord for diagnosis.
B.   is a procedure in which tissue from the placenta is removed and analyzed.
C.   is a procedure in which a sample of amniotic fluid is withdrawn for analysis.
D.   is the insertion of a tiny viewing scope into the mother's uterus through the abdominal wall for a direct look at the embryo.
Question #16
Which of the following is a serious complication of pregnancy?
A.   Hyperemesis gravidarum
B.   Ectopic pregnancy
C.   Preeclampsia
D.   Spontaneous abortion
E.   All of these

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