Question 1

What occurs during stage 3 of labor?

Accepted Answer

A)  The cervix dilates. 
B)  The baby is born. 
C)  Effacement occurs. 
D)  The amniotic sac ruptures. 
E)  The placenta is expelled. 
A)  The cervix dilates. 
B)  The baby is born. 
C)  Effacement occurs. 
D)  The amniotic sac ruptures. 
E)  The placenta is expelled.

Question 2

Which of the following defines "aging"?

Accepted Answer

A)  progressive changes from infancy until death 
B)  the loss of function of various body systems 
C)  the onset of sexual maturity 
D)  the development of disease or disability 
E)  the failure to thrive 
A)  progressive changes from infancy until death 
B)  the loss of function of various body systems 
C)  the onset of sexual maturity 
D)  the development of disease or disability 
E)  the failure to thrive

Question 3

Which of the following is not associated with the egg?

Accepted Answer

A)  corona radiata 
B)  acrosome 
C)  zona pellucida 
D)  cortical granule 
E)  fertilization membrane 
A)  corona radiata 
B)  acrosome 
C)  zona pellucida 
D)  cortical granule 
E)  fertilization membrane

Question 4

Embryonic development begins with

Accepted Answer

A)  fertilization. 
B)  the first cell division. 
C)  the development of the blastocyst. 
D)  implantation. 
E)  gastrulation. 
A)  fertilization. 
B)  the first cell division. 
C)  the development of the blastocyst. 
D)  implantation. 
E)  gastrulation.

Question 5

The amnion is to the amniotic fluid as the allantois is to the

Accepted Answer

A)  blood cell precursors. 
B)  chorionic villi. 
C)  umbilical blood vessels. 
D)  amniotic cavity. 
E)  yolk. 
A)  blood cell precursors. 
B)  chorionic villi. 
C)  umbilical blood vessels. 
D)  amniotic cavity. 
E)  yolk.

Question 6

The nervous system is to the ectoderm as the skeleton is to the

Accepted Answer

A)  mesoderm. 
B)  endoderm. 
C)  chorion. 
D)  allantois. 
E)  blastula. 
A)  mesoderm. 
B)  endoderm. 
C)  chorion. 
D)  allantois. 
E)  blastula.

Question 7

Which of the following would be considered a poor health practice for a woman planning to get pregnant or already pregnant?

Accepted Answer

A)  updating all vaccinations 
B)  treating all sexually transmitted diseases 
C)  obtaining more folic acid 
D)  eating enough to feed two people 
E)  moderate exercise 
A)  updating all vaccinations 
B)  treating all sexually transmitted diseases 
C)  obtaining more folic acid 
D)  eating enough to feed two people 
E)  moderate exercise

Question 8

Which of the following is not true concerning the fetus during the third month of development?

Accepted Answer

A)  Bone begins to be replaced with cartilage in certain areas of the skeleton. 
B)  The nose, eyes, and ears are present. 
C)  Fingernails, nipples, eyelashes, eyebrows, and hair on the head appear. 
D)  Head growth slows down as the rest of the body increases in length. 
E)  It is possible to distinguish males from females. 
A)  Bone begins to be replaced with cartilage in certain areas of the skeleton. 
B)  The nose, eyes, and ears are present. 
C)  Fingernails, nipples, eyelashes, eyebrows, and hair on the head appear. 
D)  Head growth slows down as the rest of the body increases in length. 
E)  It is possible to distinguish males from females.

Question 9

Does a woman ovulate during pregnancy? Why or why not?

Accepted Answer

A)  No. She has no more follicles in the ovaries. 
B)  No, because negative feedback on the hypothalamus prevents new follicles from maturing. 
C)  No, because the developing embryo prevents any new blastulas from implanting. 
D)  Yes, because the uterine cycle continues to function. 
E)  Yes, because the ovarian cycle continues to function. 
A)  No. She has no more follicles in the ovaries. 
B)  No, because negative feedback on the hypothalamus prevents new follicles from maturing. 
C)  No, because the developing embryo prevents any new blastulas from implanting. 
D)  Yes, because the uterine cycle continues to function. 
E)  Yes, because the ovarian cycle continues to function.

Question 10

During fertilization,several sperm penetrate the corona radiata.

Accepted Answer

A) True 
 B)False

Question 11

Estrogen is responsible for the onset and continuation of labor.

Accepted Answer

A) True 
 B)False

Question 12

When cells take on specific structure and function,this is called

Accepted Answer

A)  cleavage. 
B)  growth. 
C)  morphogenesis. 
D)  differentiation. 
E)  fertilization. 
A)  cleavage. 
B)  growth. 
C)  morphogenesis. 
D)  differentiation. 
E)  fertilization.

Question 13

The blood of the mother and the fetus mix in the placenta.

Accepted Answer

A) True 
 B)False

Question 14

Which of these is associated with pre-embryonic development?

Accepted Answer

A)  morula 
B)  embryonic disk 
C)  gastrulation 
D)  primary germ layers 
E)  formation of the umbilical cord 
A)  morula 
B)  embryonic disk 
C)  gastrulation 
D)  primary germ layers 
E)  formation of the umbilical cord

Question 15

The 4 cell stage of development is almost twice the size of the 2 cell stage of development.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not a chief effect of progesterone?

Accepted Answer

A)  increased uterine blood flow 
B)  relaxation of smooth muscle 
C)  reduced uterine motility 
D)  reduced maternal immune response to fetus 
A)  increased uterine blood flow 
B)  relaxation of smooth muscle 
C)  reduced uterine motility 
D)  reduced maternal immune response to fetus

Question 17

Which hypothesis of aging involves mitochondria?

Accepted Answer

A)  genetic in origin 
B)  whole-body process 
C)  extrinsic factors 
A)  genetic in origin 
B)  whole-body process 
C)  extrinsic factors

Question 18

Sheila is experiencing contractions every 15 to 20 minutes that last for 40 seconds or longer.Is she ready to give birth?

Accepted Answer

YES
Explanation: Yes

Question 19

Most birth defects are due to the inheritance of an abnormal number of chromosomes.

Accepted Answer

A) True 
 B)False

Question 20

Fetal development includes the third through ninth months of development.

Accepted Answer

A) True 
 B)False

Exam 17: Development and Aging

What occurs during stage 3 of labor?

Which of the following defines "aging"?

Which of the following is not associated with the egg?

Embryonic development begins with

The amnion is to the amniotic fluid as the allantois is to the

The nervous system is to the ectoderm as the skeleton is to the

Which of the following would be considered a poor health practice for a woman planning to get pregnant or already pregnant?

Which of the following is not true concerning the fetus during the third month of development?

Does a woman ovulate during pregnancy? Why or why not?

During fertilization,several sperm penetrate the corona radiata.

Estrogen is responsible for the onset and continuation of labor.

When cells take on specific structure and function,this is called

The blood of the mother and the fetus mix in the placenta.

Which of these is associated with pre-embryonic development?

The 4 cell stage of development is almost twice the size of the 2 cell stage of development.

Which of the following is not a chief effect of progesterone?

Which hypothesis of aging involves mitochondria?

Sheila is experiencing contractions every 15 to 20 minutes that last for 40 seconds or longer.Is she ready to give birth?

Most birth defects are due to the inheritance of an abnormal number of chromosomes.

Fetal development includes the third through ninth months of development.

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