Question 1

The term newborn refers to the period from birth through _____,whereas the term infant refers to the period from _____.

Accepted Answer

A)  3 months;3 months to 6 months
B)  the first four weeks;the first month to 1 year
C)  one week;the second week through the second year
D)  the first year;the first year to the second yearE) C) and D)
F) A) and C)

Question 2

Progesterone in semen stimulates the movement of sperm cells.

Accepted Answer

A) True 
 B)False

Question 3

Postmortem sperm retrieval is useful if

Accepted Answer

A)  a woman has inadvertently taken a teratogenic drug when pregnant.
B)  a man is infertile.
C)  a man dies after making it known he would want his sperm to be used to conceive a child.
D)  a man has an incurable disease.E) A) and B)
F) A) and C)

Question 4

The process of growing old is called _____.

Accepted Answer

The answer of The process of growing old is called...

Question 5

The postnatal period extends from

Accepted Answer

A)  the fertilized egg until the end of life.
B)  fertilization to birth.
C)  birth to death.
D)  the beginning of the fetal period until the beginning of childhooD.E) A) and B)
F) All of the above

Question 6

The implantation of the blastocyst results from

Accepted Answer

A)  enzymes digesting the endometrium around the blastocyst.
B)  hyaluronic acid breaking down the myometrium around the blastocyst.
C)  hCG stimulating the growth of trophoblast blood vessels.
D)  the cessation of the reproductive cycle.E) A) and B)
F) All of the above

Question 7

The inner cell mass

Accepted Answer

A)  helps form the placental membrane.
B)  helps form the amnion.
C)  helps form the chorion.
D)  gives rise to the embryo.E) A) and B)
F) B) and D)

Question 8

The hormones that maintain the uterine wall during the last 5 to 6 months of pregnancy are

Accepted Answer

A)  FSH and LH.
B)  human chorionic gonadotropin and synthetic estrogen.
C)  placental lactogen and relaxin.
D)  placental estrogen and progesterone.E) All of the above
F) B) and C)

Question 9

The period of development during which the contents of a zygote are divided into increasingly smaller cells is _____.

Accepted Answer

The answer of The period of development during which the...

Question 10

The cells of a blastocyst that help form the chorion constitute the

Accepted Answer

A)  blastomere.
B)  inner cell mass.
C)  trophoblast.
D)  zona pellucida.E) A) and B)
F) A) and C)

Question 11

The three leading causes of death in the United States are

Accepted Answer

A)  infection,kidney disease,and influenzA.
B)  heart disease,cancer,and stroke.
C)  diabetes,heart disease,and cancer.
D)  COPD,diabetes,and Alzheimer disease.E) B) and D)
F) All of the above

Question 12

Amniotic fluid

Accepted Answer

A)  stores nutrients for the fetus.
B)  absorbs wastes the fetus excretes.
C)  protects the embryo against being jarred by movements.
D)  provides nutrients to the fetus from the maternal part of the placenta.E) B) and C)
F) B) and D)

Question 13

Repair enzymes correct

Accepted Answer

A)  the degeneration of collagen and elastin.
B)  mutations that occur when DNA replicates.
C)  free radical build-up.
D)  lipofuscin build-up.E) B) and C)
F) B) and D)

Question 14

The chorion _____ and the amnion _____.

Accepted Answer

A)  is the outer protective membrane around the embryo;is the site where an embryo is implanted into the uterus
B)  projects into the endometrium and helps form the placenta;is a membrane that encircles a developing embryo
C)  is the site from which primary germ layers develop;is the site from which secondary germ layers develop
D)  is the part of the blastocyst that is not the inner cell mass;is the inner cell massE) All of the above
F) None of the above

Question 15

Human life span is ___ years.

Accepted Answer

A)  80
B)  90
C)  100
D)  120E) A) and B)
F) None of the above

Question 16

Dizygotic twins result from

Accepted Answer

A)  one egg cell and one sperm cell.
B)  one egg cell and two sperm cells.
C)  two egg cells and one sperm cell.
D)  two egg cells and two sperm cells.E) A) and B)
F) B) and D)

Question 17

The fetus is protected from certain infections,to which the mother is immune,by

Accepted Answer

A)  antibodies from the mother's immune system.
B)  antibodies from its own immune system.
C)  its own innate defenses.
D)  the extraembryonic membranes.E) A) and C)
F) A) and B)

Question 18

Apoptosis occurs

Accepted Answer

A)  only in the aged.
B)  only in adults.
C)  from the embryo onward.
D)  only when someone has a disease.E) A) and B)
F) B) and D)

Question 19

A major difference between fetal blood flow and adult blood flow is that in the fetus the

Accepted Answer

A)  inferior vena cava contains blood high in oxygen.
B)  pulmonary artery delivers blood to the lungs.
C)  femoral vein contains blood low in oxygen.
D)  internal iliac arteries are known as umbilical arteries.E) A) and D)
F) B) and C)

Question 20

Which of the following factors stimulates a newborn's first breath?

Accepted Answer

A)  Increasing concentration of carbon dioxide
B)  Decreasing pH
C)  Low oxygen concentration
D)  All of the aboveE) A) and D)
F) A) and C)

Exam 23: Pregnancy, Growth, and Development

The fetus is protected from certain infections,to which the mother is immune,by

Correct AnswerverifiedShow Answer

A major difference between fetal blood flow and adult blood flow is that in the fetus the

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The period of development during which the contents of a zygote are divided into increasingly smaller cells is _____.

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Apoptosis occurs

Correct AnswerverifiedShow Answer

The implantation of the blastocyst results from

Correct AnswerverifiedShow Answer

Progesterone in semen stimulates the movement of sperm cells.

Correct AnswerverifiedShow Answer

The cells of a blastocyst that help form the chorion constitute the

Correct AnswerverifiedShow Answer

Which of the following factors stimulates a newborn's first breath?

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The hormones that maintain the uterine wall during the last 5 to 6 months of pregnancy are

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Postmortem sperm retrieval is useful if

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The process of growing old is called _____.

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The three leading causes of death in the United States are

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Dizygotic twins result from

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The chorion _____ and the amnion _____.

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The inner cell mass

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Amniotic fluid

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The term newborn refers to the period from birth through _____,whereas the term infant refers to the period from _____.

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Human life span is ___ years.

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Repair enzymes correct

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The postnatal period extends from

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The chorion _ and the amnion _.

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The term newborn refers to the period from birth through _,whereas the term infant refers to the period from _.

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