Question 1

Which of the following statements about birthrate trends between 1970 and 2012 is true?

Accepted Answer

A)   The birthrate increased during this period for women 20 to 24 years of age.
B)   The birthrate decreased during this period for women 25 years of age and older.
C)   For women in their thirties, the birthrate during this period rose nearly fivefold.
D)   The greatest decline in the birthrate during this period was for women in their thirties.E) A) and C)
F) All of the above

Question 2

Infants born to teenagers have a higher rate of problems because

Accepted Answer

A)   teenagers' reproductive organs are not yet mature enough to support a pregnancy.
B)   teenagers are not yet physically ready to give birth.
C)   many pregnant teenagers are afraid to seek medical care.
D)   teenagers are exposed to more teratogens than other pregnant mothers.E) A) and C)
F) A) and D)

Question 3

In the eighth month of pregnancy,

Accepted Answer

A)   fetal growth doubles.
B)   a layer of fat is added to assist with temperature regulation.
C)   most fetuses assume an upright position.
D)   neurons are produced at a rapid rate.E) A) and B)
F) A) and C)

Question 4

The thin outer ring of cells on a blastocyst, termed the trophoblast, will become the

Accepted Answer

A)   new organism's skin and hair.
B)   structures that provide protective covering and nourishment.
C)   embryonic disk.
D)   nervous system and skin.E) All of the above
F) None of the above

Question 5

Beatrice has smoked throughout her pregnancy. Now in her seventh month, Beatrice is considering quitting. You can tell her that

Accepted Answer

A)   the damage was already done during the germinal period.
B)   if she quits now, she reduces the likelihood that her infant will be born underweight.
C)   the damage was already done during the period of the embryo.
D)   quitting now will not reduce the likelihood that her infant will have colic.E) A) and B)
F) A) and C)

Question 6

Following conception, the one-celled __________ multiplies and forms a(n)  __________.

Accepted Answer

A)   blastocyst; zygote
B)   blastocyst; embryo
C)   zygote; blastocyst
D)   embryo; fetusE) None of the above
F) C) and D)

Exam 3: Prenatal Development

The thin outer ring of cells on a blastocyst, termed the trophoblast, will become the

Correct Answer
verified

Beatrice has smoked throughout her pregnancy. Now in her seventh month, Beatrice is considering quitting. You can tell her that

Correct Answer
verified

Infants born to teenagers have a higher rate of problems because

Correct Answer
verified

Which of the following statements about birthrate trends between 1970 and 2012 is true?

Correct Answer
verified

In the eighth month of pregnancy,

Correct Answer
verified

Following conception, the one-celled multiplies and forms a(n) .

Correct Answer
verified

Exam 3: Prenatal Development

The thin outer ring of cells on a blastocyst, termed the trophoblast, will become the

Correct AnswerverifiedShow Answer

Beatrice has smoked throughout her pregnancy. Now in her seventh month, Beatrice is considering quitting. You can tell her that

Correct AnswerverifiedShow Answer

Infants born to teenagers have a higher rate of problems because

Correct AnswerverifiedShow Answer

Which of the following statements about birthrate trends between 1970 and 2012 is true?

Correct AnswerverifiedShow Answer

In the eighth month of pregnancy,

Correct AnswerverifiedShow Answer

Following conception, the one-celled __________ multiplies and forms a(n) __________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Following conception, the one-celled multiplies and forms a(n) .

Correct Answer
verified