Question 1

Xiomarra is tall with dark,curly hair and brown eyes.She is outgoing and friendly.Name these observable characteristics of her genetic makeup.

Accepted Answer

The answer of Xiomarra is tall with dark,curly hair and...

Question 2

Which of the following substances is a large molecule that would NOT be able to pass through the placental wall?

Accepted Answer

A)  Salt
B)  Water
C)  Hormones
D)  Carbon dioxideE) A) and B)
F) A) and C)

Question 3

According to the concept of natural selection,the best-adapted individuals:

Accepted Answer

A)  are more likely to survive and leave the most offspring.
B)  are more likely to succumb to the depletion of environmental resources in an area.
C)  are less likely to reproduce than their less well-adapted peers.
D)  are not present in most cultures.E) C) and D)
F) A) and D)

Question 4

Define and give an example of a teratogen.

Accepted Answer

A teratogen is any agent that can potent...

Question 5

Which of the following is a threat to the infant caused by the breech position?

Accepted Answer

A)  Bone malformation
B)  Down syndrome
C)  Respiratory problems
D)  Spina bifidaE) A) and B)
F) A) and C)

Question 6

The use of progestin by pregnant women has resulted in:

Accepted Answer

A)  more low birth weight infants.
B)  fewer preterm deliveries.
C)  increased maternal obesity.
D)  decrease in social support.E) B) and D)
F) B) and C)

Question 7

Behavior that promotes an organism's survival in the natural habitat.

Accepted Answer

The answer of Behavior that promotes an organism's survival in...

Question 8

A complex molecule,with a double helix shape,that contains genetic information.

Accepted Answer

DNA (deoxy...

Question 9

_____ mainly focuses on the isolation and examination of fetal cells circulating in the mother's blood and analysis of cell-free fetal DNA in maternal plasma.

Accepted Answer

A)  Amniocentesis
B)  Chorionic villus sampling (CVS) 
C)  Noninvasive prenatal diagnosis (NIP
D)  
D)  Triple screenE) B) and C)
F) A) and D)

Question 10

Wren is 4 weeks pregnant.Which of the following stages of prenatal development is Wren currently in?

Accepted Answer

A)  Embryonic
B)  Fetal
C)  Placental
D)  GerminalE) All of the above
F) C) and D)

Question 11

A psychological perspective that emphasizes the importance of adaptation,reproduction,and "survival of the fittest" in shaping human behavior.

Accepted Answer

Evolutiona...

Question 12

Jason was born with _____.The doctor tells his parents that this genetic disorder occurred because he has an extra copy of chromosome 21.

Accepted Answer

A)  Fragile X syndrome
B)  Klinefelter disease
C)  Down syndrome
D)  Tay-Sachs diseaseE) A) and B)
F) None of the above

Question 13

According to studies,the effects of caffeine on pregnant women

Accepted Answer

A)  have been mixed.
B)  have demonstrated no ill effects.
C)  have demonstrated substantial ill effects.
D)  have not been studied to date.E) C) and D)
F) All of the above

Question 14

The _____ is like a bag or an envelope and contains a clear fluid in which the developing embryo floats.

Accepted Answer

A)  placenta
B)  umbilical cord
C)  amnion
D)  cervixE) B) and C)
F) A) and C)

Question 15

Which maternal age group has increased risk of low birth weight,preterm delivery,and fetal death?

Accepted Answer

A)  Eighteen years or younger
B)  Between 18 and 25 years
C)  Between 19 and 30 years
D)  Thirty-five years and olderE) A) and B)
F) B) and D)

Question 16

Which of the following is the U.S.Surgeon General's recommendation regarding alcohol intake during pregnancy?

Accepted Answer

A)  It is wise to consume alcohol in moderation at the time of conception.
B)  One or two servings of beer or wine a few days a week can have positive effects on the fetus.
C)  No alcohol should be consumed during pregnancy.
D)  One or two servings of hard liquor a few days a week can have positive effects on the fetus.E) None of the above
F) C) and D)

Question 17

The fetus that Calista is carrying has reached the age of viability,meaning that it has a chance of surviving outside of the womb.Therefore,it can be inferred that Calista is _____ weeks pregnant.

Accepted Answer

A)  4 to 8
B)  16 to 18
C)  24 to 25
D)  10 to 12E) B) and C)
F) C) and D)

Question 18

The current maternal blood-screening test is called the triple screen because:

Accepted Answer

A)  it is performed three times.
B)  it diagnoses three diseases.
C)  it measures three substances in the mother's blood.
D)  it is the third prenatal diagnostic test performed in a pregnancy.E) B) and C)
F) A) and D)

Question 19

Short segments of DNA which are located on the chromosomes.These are considered to be the basic units of hereditary information.

Accepted Answer

The answer of Short segments of DNA which are located...

Question 20

The embryo's _____ develops into the digestive and respiratory systems.

Accepted Answer

A)  ectoderm
B)  endoderm
C)  trophoblast
D)  mesodermE) C) and D)
F) B) and C)

Exam 2: Biological Beginnings

Xiomarra is tall with dark,curly hair and brown eyes.She is outgoing and friendly.Name these observable characteristics of her genetic makeup.

Correct AnswerverifiedShow Answer

_____ mainly focuses on the isolation and examination of fetal cells circulating in the mother's blood and analysis of cell-free fetal DNA in maternal plasma.

Correct AnswerverifiedShow Answer

According to studies,the effects of caffeine on pregnant women

Correct AnswerverifiedShow Answer

Jason was born with _____.The doctor tells his parents that this genetic disorder occurred because he has an extra copy of chromosome 21.

Correct AnswerverifiedShow Answer

The _____ is like a bag or an envelope and contains a clear fluid in which the developing embryo floats.

Correct AnswerverifiedShow Answer

The fetus that Calista is carrying has reached the age of viability,meaning that it has a chance of surviving outside of the womb.Therefore,it can be inferred that Calista is _____ weeks pregnant.

Correct AnswerverifiedShow Answer

Behavior that promotes an organism's survival in the natural habitat.

Correct AnswerverifiedShow Answer

A psychological perspective that emphasizes the importance of adaptation,reproduction,and "survival of the fittest" in shaping human behavior.

Correct AnswerverifiedEvolutiona...View AnswerShow Answer

According to the concept of natural selection,the best-adapted individuals:

Correct AnswerverifiedShow Answer

The current maternal blood-screening test is called the triple screen because:

Correct AnswerverifiedShow Answer

A complex molecule,with a double helix shape,that contains genetic information.

Correct AnswerverifiedDNA (deoxy...View AnswerShow Answer

Which of the following is the U.S.Surgeon General's recommendation regarding alcohol intake during pregnancy?

Correct AnswerverifiedShow Answer

Define and give an example of a teratogen.

Correct AnswerverifiedA teratogen is any agent that can potent...View AnswerShow Answer

Which maternal age group has increased risk of low birth weight,preterm delivery,and fetal death?

Correct AnswerverifiedShow Answer

Wren is 4 weeks pregnant.Which of the following stages of prenatal development is Wren currently in?

Correct AnswerverifiedShow Answer

Which of the following is a threat to the infant caused by the breech position?

Correct AnswerverifiedShow Answer

Short segments of DNA which are located on the chromosomes.These are considered to be the basic units of hereditary information.

Correct AnswerverifiedShow Answer

Which of the following substances is a large molecule that would NOT be able to pass through the placental wall?

Correct AnswerverifiedShow Answer

The use of progestin by pregnant women has resulted in:

Correct AnswerverifiedShow Answer

The embryo's _____ develops into the digestive and respiratory systems.

Correct AnswerverifiedShow Answer

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Evolutiona...
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DNA (deoxy...
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A teratogen is any agent that can potent...
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