Question 1

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.F) A) and D)
G) A) and E)

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 thriveF) C) and D)
G) B) and E)

Question 3

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 4

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.F) A) and B)
G) A) and C)

Question 5

Which hypothesis of aging involves mitochondria?

Accepted Answer

A)   genetic in origin
B)   whole-body process
C)   extrinsic factorsD) None of the above
E) All of the above

Question 6

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 cordF) A) and D)
G) B) and E)

Question 7

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

Accepted Answer

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

Question 8

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.F) C) and E)
G) B) and D)

Question 9

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 membraneF) A) and E)
G) B) and E)

Question 10

Embryonic development begins with

Accepted Answer

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

Question 11

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 12

During fertilization,several sperm penetrate the corona radiata.

Accepted Answer

A) True 
 B)False

Question 13

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 exerciseF) A) and E)
G) A) and B)

Question 14

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 fetusE) A) and D)
F) B) and C)

Question 15

Fetal development includes the third through ninth months of development.

Accepted Answer

A) True 
 B)False

Question 16

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.F) A) and D)
G) A) and E)

Question 17

Estrogen is responsible for the onset and continuation of labor.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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.F) None of the above
G) A) and D)

Exam 17: Development and Aging

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Fetal development includes the third through ninth months of development.

Correct AnswerverifiedShow Answer

Estrogen is responsible for the onset and continuation of labor.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedYESExplanation: Yes...View AnswerShow Answer

Which of the following defines "aging"?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Embryonic development begins with

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which hypothesis of aging involves mitochondria?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not associated with the egg?

Correct AnswerverifiedShow Answer

Which of these is associated with pre-embryonic development?

Correct AnswerverifiedShow Answer

During fertilization,several sperm penetrate the corona radiata.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What occurs during stage 3 of labor?

Correct AnswerverifiedShow Answer

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YES
Explanation: Yes...
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