Question 1

Which of the following is strongly canalized in humans?

Accepted Answer

A)   personality development
B)   cognitive development
C)   motor development
D)   social developmentE) None of the above
F) All of the above

Question 2

Describe amniocentesis, and discuss its use as a prenatal diagnostic method.

Accepted Answer

Amniocentesis is the most widely used pr...

Question 3

Which of the following statements is true about donor insemination and in vitro fertilization?

Accepted Answer

A)   In vitro infants are less securely attached to their parents than naturally conceived infants.
B)   Sperm donors are always screened for genetic or sexually transmitted diseases.
C)   In vitro babies are at no greater risk for birth defects than naturally conceived infants.
D)   There is a higher rate of low birth weight among in vitro babies than naturally conceived infants.E) B) and C)
F) C) and D)

Question 4

For healthy women who are assisted by a well-trained doctor or midwife,

Accepted Answer

A)   complications rarely occur during home birth.
B)   the rate of infant death is high during home birth.
C)   home birth continues to be less safe than hospital birth.
D)   water birth increases the likelihood of the use of pain-relieving medication.E) B) and D)
F) None of the above

Question 5

When mothers are upright, labor is

Accepted Answer

A)   longer.
B)   more intense.
C)   shortened.
D)   more painful.E) C) and D)
F) B) and D)

Question 6

__________ is the best available predictor of infant survival and healthy development.

Accepted Answer

A)   Ultrasound
B)   Apgar score
C)   Maternal age
D)   Birth weightE) B) and C)
F) C) and D)

Question 7

The second leading cause of neonatal mortality in the United States is

Accepted Answer

A)   congenital defects.
B)   low birth weight.
C)   sudden infant death syndrome.
D)   HIV/AIDS.E) A) and D)
F) All of the above

Question 8

The period of the embryo

Accepted Answer

A)   lasts for about two weeks.
B)   is the period of the most rapid prenatal changes.
C)   begins during the second trimester of pregnancy.
D)   is the period when the developing organism is the least vulnerable.E) All of the above
F) A) and B)

Question 9

Down syndrome is most commonly caused by

Accepted Answer

A)   advanced maternal or paternal age.
B)   an error that occurs in the early stages of mitosis, called mosaic pattern.
C)   mutation of the genetic material on the twenty-third chromosome pair.
D)   failure of the twenty-first pair of chromosomes to separate during meiosis.E) C) and D)
F) None of the above

Question 10

It is difficult to assess the damage from illegal drug use during pregnancy because

Accepted Answer

A)   the effects of the drugs wear off within days of delivery.
B)   many users display other high-risk behaviors.
C)   public interest in the area has diminished.
D)   prenatally exposed babies rarely develop lasting problems.E) None of the above
F) A) and D)

Question 11

During mitosis,

Accepted Answer

A)   a single cell develops into a complex, many-celled human being.
B)   new body cells are created, each with its own unique DNA.
C)   the number of chromosomes normally present in body cells is halved.
D)   crossing over occurs.E) A) and B)
F) A) and C)

Question 12

While the ovum is traveling, the __________ secrete(s)  hormones that prepare the lining of the uterus to receive a fertilized ovum.

Accepted Answer

A)   fallopian tubes
B)   corpus luteum
C)   cervix
D)   blastocystE) A) and C)
F) A) and B)

Question 13

One example of a dominant disorder is

Accepted Answer

A)   sickle cell anemia.
B)   diabetes insipidus.
C)   Duchenne muscular dystrophy.
D)   Huntington disease.E) All of the above
F) B) and D)

Question 14

__________ are below their expected weight considering the length of the pregnancy.

Accepted Answer

A)   Preterm infants
B)   Small-for-date infants
C)   Infants born after induced labor
D)   Infants born at 38 weeksE) None of the above
F) B) and D)

Question 15

Which of the following statements is true about the epigenetic interplay between maternal smoking and attention-deficit hyperactivity disorder (ADHD) ?

Accepted Answer

A)   By itself, the DD genotype was related to impulsivity and oppositional behavior.
B)   Children of mothers who smoked during pregnancy scored lower in overactivity than children of nonsmoking mothers.
C)   Five-year-olds with both prenatal nicotine exposure and the DD genotype obtained substantially higher impulsivity scores than all other groups.
D)   Five-year-olds with both prenatal nicotine exposure and the DD genotype obtained lower oppositional behavior scores than all other groups.E) A) and B)
F) A) and C)

Question 16

Which of the following is an example of a dominant characteristic?

Accepted Answer

A)   red hair
B)   nearsightedness
C)   curly hair
D)   Type O bloodE) All of the above
F) A) and C)

Question 17

For a newborn to score a 2 on the pulse or heart rate section on the Apgar, her heart rate should indicate

Accepted Answer

A)   no heartbeat.
B)   under 100 beats per minute.
C)   100 to 140 beats per minute.
D)   over 150 beats per minute.E) B) and D)
F) None of the above

Question 18

The fact that children are more likely to develop diabetes if their father, rather than their mother, suffers from it is best explained by

Accepted Answer

A)   genomic imprinting.
B)   genetic mutation.
C)   X-linked inheritance.
D)   polygenic inheritance.E) None of the above
F) B) and D)

Question 19

__________ explains why pairs of identical twins reared apart during childhood and later reunited may find that they have similar hobbies and vocations.

Accepted Answer

A)   Passive gene-environment correlation
B)   Niche-picking
C)   Genotyping
D)   EpigenesisE) A) and B)
F) A) and C)

Question 20

Which of the following is an example of a recessive characteristic?

Accepted Answer

A)   facial dimples
B)   pattern baldness
C)   farsightedness
D)   double-jointednessE) A) and C)
F) A) and B)

Exam 3: Biological Foundations, Prenatal Development, and Birth

Which of the following statements is true about the epigenetic interplay between maternal smoking and attention-deficit hyperactivity disorder (ADHD) ?

Correct AnswerverifiedShow Answer

The second leading cause of neonatal mortality in the United States is

Correct AnswerverifiedShow Answer

Down syndrome is most commonly caused by

Correct AnswerverifiedShow Answer

When mothers are upright, labor is

Correct AnswerverifiedShow Answer

__________ are below their expected weight considering the length of the pregnancy.

Correct AnswerverifiedShow Answer

While the ovum is traveling, the __________ secrete(s) hormones that prepare the lining of the uterus to receive a fertilized ovum.

Correct AnswerverifiedShow Answer

During mitosis,

Correct AnswerverifiedShow Answer

Which of the following is an example of a recessive characteristic?

Correct AnswerverifiedShow Answer

Describe amniocentesis, and discuss its use as a prenatal diagnostic method.

Correct AnswerverifiedAmniocentesis is the most widely used pr...View AnswerShow Answer

__________ explains why pairs of identical twins reared apart during childhood and later reunited may find that they have similar hobbies and vocations.

Correct AnswerverifiedShow Answer

For a newborn to score a 2 on the pulse or heart rate section on the Apgar, her heart rate should indicate

Correct AnswerverifiedShow Answer

Which of the following is an example of a dominant characteristic?

Correct AnswerverifiedShow Answer

The period of the embryo

Correct AnswerverifiedShow Answer

__________ is the best available predictor of infant survival and healthy development.

Correct AnswerverifiedShow Answer

Which of the following statements is true about donor insemination and in vitro fertilization?

Correct AnswerverifiedShow Answer

Which of the following is strongly canalized in humans?

Correct AnswerverifiedShow Answer

It is difficult to assess the damage from illegal drug use during pregnancy because

Correct AnswerverifiedShow Answer

For healthy women who are assisted by a well-trained doctor or midwife,

Correct AnswerverifiedShow Answer

One example of a dominant disorder is

Correct AnswerverifiedShow Answer

The fact that children are more likely to develop diabetes if their father, rather than their mother, suffers from it is best explained by

Correct AnswerverifiedShow Answer

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Amniocentesis is the most widely used pr...
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