Question 1

Doctors warn that smoking during pregnancy contributes to which of the following?

Accepted Answer

A)  Miscarriage
B)  Sudden infant death syndrome
C)  Low birth weight
D)  All of these are possible outcomes.

Question 2

Which of the following disorders may be linked to advanced paternal age?

Accepted Answer

A)  Asthma
B)  Hemophilia
C)  Obsessive compulsive disorder
D)  Schizophrenia

Question 3

Miscarriages are most commonly caused by

Accepted Answer

A)  sudden movements or jolts.
B)  fear.
C)  stress.
D)  chromosomal abnormalities.

Question 4

The ______ principle explains why an embryo's head,brain,and eyes develop earliest and are disproportionately large until the other parts catch up.

Accepted Answer

A)  proximodistal
B)  cephalocaudal
C)  prenatal
D)  gestational

Question 5

Rubella has the potential of damaging an unborn child during which period of pregnancy?

Accepted Answer

A)  First 11 weeks
B)  13 to 16 weeks
C)  18 to 22 weeks
D)  After 24 weeks

Question 6

When Dr.Keane checks prenatal development with a sonogram at the end of the second month of gestation,the embryo is less than one inch long and has the shape of a

Accepted Answer

A)  disk.
B)  cylinder.
C)  slightly irregular ball.
D)  miniature baby.

Question 7

The doctor told Ellie and Tom to compute the gestational age of their fetus by determining the time of

Accepted Answer

A)  implantation.
B)  quickening.
C)  conception.
D)  gestation.

Question 8

Carl and Eleanor have been going for a morning run for the past three years.They are concerned about whether or not they can continue now that Eleanor is pregnant.Which of the following statements best describes the appropriate level of exercise for pregnant women?

Accepted Answer

A)  Pregnant women should exercise strenuously to promote circulation.
B)  Pregnant women need not take any precautions in exercising.
C)  Pregnant women should reduce their exercise during the second trimester.
D)  Pregnant women should exercise moderately throughout their pregnancy.

Question 9

A woman who becomes obese during pregnancy runs the risk of all the following pregnancy complications EXCEPT

Accepted Answer

A)  miscarriage.
B)  stillbirth.
C)  neonatal death.
D)  spina bifida.

Question 10

Most researchers believe that violent passions,such as grief or anger,as well as violent movements,such as horseback riding,can bring on miscarriages.

Accepted Answer

A) True 
 B)False

Question 11

The fertilized ovum divides and implants in the wall of the uterus during which stage of gestation?

Accepted Answer

A)  Fetal
B)  Embryonic
C)  Germinal
D)  Terminal

Question 12

Women who gain less than 15 pounds during pregnancy are

Accepted Answer

A)  more likely to have healthy babies.
B)  less likely to have late miscarriages.
C)  less likely to have complications.
D)  more likely to have low-birth-weight babies.

Question 13

Moderate alcohol consumption during pregnancy is considered safe.

Accepted Answer

A) True 
 B)False

Question 14

At the end of the first month of gestation,

Accepted Answer

A)  blood is flowing through very small veins and arteries in the embryo.
B)  the facial parts of the embryo have fully developed.
C)  the mother can feel the baby's movements.
D)  the embryo looks like a small-scale baby.

Question 15

The portion of the blastocyst from which the baby develops is called the

Accepted Answer

A)  embryonic disk.
B)  trophoblast.
C)  placenta.
D)  ectoderm.

Question 16

Which of the following statements regarding the early development of the human embryo is FALSE?

Accepted Answer

A)  Four to five days after fertilization,an inner cell mass begins to form.
B)  After six to seven days,the blastocyst begins to attach to the uterine wall.
C)  After eleven to twelve days,the blastocyst is joined to the uterine wall.
D)  The embryonic stage begins at six to seven days after fertilization.

Question 17

A teratogen exclusively refers to drugs,alcohol,and radiation.

Accepted Answer

A) True 
 B)False

Question 18

In which stage of prenatal development does the fertilized ovum become implanted in the wall of the uterus?

Accepted Answer

A)  Germinal
B)  Seminal
C)  Fetal
D)  Embryonic

Question 19

Melissa has had two miscarriages and is understandably anxious about her third pregnancy.She realizes that a miscarriage,or spontaneous abortion,is most likely to occur in which trimester of the pregnancy?

Accepted Answer

A)  First
B)  Second
C)  Third
D)  There is equal risk throughout all three trimesters.

Question 20

Severely defective embryos usually do not survive.During which trimester do most spontaneous abortions take place? Explain why this is a critical period for the risk of miscarriage.In your answer,include two factors that could contribute to a spontaneous abortion during this period.

Accepted Answer

Most spontaneous abortions, also known a...

Exam 4: Pregnancy and Prenatal Development

The portion of the blastocyst from which the baby develops is called the

Correct AnswerverifiedShow Answer

A woman who becomes obese during pregnancy runs the risk of all the following pregnancy complications EXCEPT

Correct AnswerverifiedShow Answer

Doctors warn that smoking during pregnancy contributes to which of the following?

Correct AnswerverifiedShow Answer

A teratogen exclusively refers to drugs,alcohol,and radiation.

Correct AnswerverifiedShow Answer

Carl and Eleanor have been going for a morning run for the past three years.They are concerned about whether or not they can continue now that Eleanor is pregnant.Which of the following statements best describes the appropriate level of exercise for pregnant women?

Correct AnswerverifiedShow Answer

Which of the following statements regarding the early development of the human embryo is FALSE?

Correct AnswerverifiedShow Answer

Moderate alcohol consumption during pregnancy is considered safe.

Correct AnswerverifiedShow Answer

When Dr.Keane checks prenatal development with a sonogram at the end of the second month of gestation,the embryo is less than one inch long and has the shape of a

Correct AnswerverifiedShow Answer

At the end of the first month of gestation,

Correct AnswerverifiedShow Answer

Miscarriages are most commonly caused by

Correct AnswerverifiedShow Answer

Severely defective embryos usually do not survive.During which trimester do most spontaneous abortions take place? Explain why this is a critical period for the risk of miscarriage.In your answer,include two factors that could contribute to a spontaneous abortion during this period.

Correct AnswerAnswered by ExamLex AIMost spontaneous abortions, also known a...View AnswerShow Answer

In which stage of prenatal development does the fertilized ovum become implanted in the wall of the uterus?

Correct AnswerverifiedShow Answer

The fertilized ovum divides and implants in the wall of the uterus during which stage of gestation?

Correct AnswerverifiedShow Answer

The doctor told Ellie and Tom to compute the gestational age of their fetus by determining the time of

Correct AnswerverifiedShow Answer

Most researchers believe that violent passions,such as grief or anger,as well as violent movements,such as horseback riding,can bring on miscarriages.

Correct AnswerverifiedShow Answer

Which of the following disorders may be linked to advanced paternal age?

Correct AnswerverifiedShow Answer

Rubella has the potential of damaging an unborn child during which period of pregnancy?

Correct AnswerverifiedShow Answer

Melissa has had two miscarriages and is understandably anxious about her third pregnancy.She realizes that a miscarriage,or spontaneous abortion,is most likely to occur in which trimester of the pregnancy?

Correct AnswerverifiedShow Answer

Women who gain less than 15 pounds during pregnancy are

Correct AnswerverifiedShow Answer

The ______ principle explains why an embryo's head,brain,and eyes develop earliest and are disproportionately large until the other parts catch up.

Correct AnswerverifiedShow Answer

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Most spontaneous abortions, also known a...
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