psych exam 1 ch 3

52) When does a developing infant begin to respond to sound?

13-16 weeks

53) Lorna notices that her fetus has begun to kick and move. Her physician tells her that she can hear a heartbeat with a stethoscope. Lorna is most likely at what point in her pregnancy?

17 - 20 weeks

3) The nucleus of the typical human cell contains how many chromosomes?

23 pairs

20) Which of the following best defines genomic imprinting?

A chemical label that identifies whether a gene came from one's father or mother

14) My father has type A blood and my mother has type O blood. What will my blood type be?

A or O

72) Which of the following is a commonly used prenatal diagnostic procedure?

Alpha-fetoprotein test

38) Not long after Gloria found out she was pregnant, she began having pain. When she went to her doctor, she was told that the zygote had implanted in her fallopian tube rather than in her uterus. What type of pregnancy is this?

An ectopic pregnancy

64) Mrs. Lincoln is receiving information and advice about prenatal care from her health care team. With regard to alcohol, what advice will they most likely give Mrs. Lincoln?

Avoid alcohol entirely.

1) Which of the following is a correct statement about the events leading up to conception?

C) After ejaculation, sperm travel the following path: the woman's vagina, cervix, uterus, and fallopian tube.

42) Which of the following terms explains why the human brain develops before the reproductive system?

Cephalocaudal growth pattern

74) Which of the following is the final stage of labor?

Delivery of the placenta

19) Recent research has found that diseases that appear as we age may be a result of which of the following?

Genomic imprinting

46) Which of the following correctly lists the stages of prenatal development in order of progression?

Germinal, embryonic, fetal

40) Which of the following is a condition that can cause a baby to grow too rapidly and result in premature labor or an infant that is too large for a vaginal birth? Gestational diabetes

Gestational diabetes

56) Which of the following serve to hold neurons together?

Glial cells

60) Of the following, which is a true statement about the influence of heroin and methadone upon prenatal and infant development?

Heroin or methadone use can cause miscarriage, premature labor, and death of the infant.

30) Which of these genetic disorders usually does not express symptoms until adulthood?

Huntington's disease

59) Your friend is taking Accutane for her adult acne. She comes to you and says that she thinks she is pregnant. What is the best advice that you can give her?

It is best to see her doctor as soon as possible to determine whether or not the drug is safe.

39) Which of the following is associated with the second trimester of pregnancy?

Movements of the fetus

33) Which of the following individuals has the greatest risk for bearing a child with trisomy 21?

Mrs. Black, age 45

23) Janae and Sean are siblings who come from a family with a history of anxiety. Janae is somewhat anxious but generally takes things in stride. Sean, however, is always concerned about his health, his job, and his family even when there is no reason. Which of the following concepts proposed by Michael Rutter best explains the difference between Janae and Sean?

Multifactorial inheritance

63) What does current research say about smoking during pregnancy?

Pregnant women should quit smoking because infants whose mothers smoked during pregnancy weigh an average of one-half pound less at birth.

67) Which of the following is not a sexually transmitted disease that can be passed to the fetus during vaginal birth?

Rubella

7) Which of the following statements is true regarding prenatal sex differentiation?

Sex differentiation begins at around 4 - 8 weeks of gestation.

75) Which of the following aspects of neonatal functioning is assessed by the Apgar scale?

Skin color

4) Chromosomes are composed of which of the following?

Strings of molecules of deoxyribonucleic acid

65) Which of the following is a characteristic of a child born with fetal alcohol syndrome?

The child may be mentally retarded.

44) The embryonic stage of gestation covers what time period?

The first 3 - 8 weeks

37) Which of the following happens during the first trimester of pregnancy?

The zygote implants itself in the lining of the uterus.

24) Which of the following is one of the ideas summarized by Rutter et al. regarding multi-factorial inheritance?

There is an interaction between nature and nurture.

31) What is a trisomy?

Three copies of a specific autosome

69) Pregnant women should eat foods high in folic acid, such as beans or spinach, during pregnancy. What is the purpose of this dietary recommendation?

To reduce the risk of neural tube defects such as spina bifida

66) Which of the following is true regarding prenatal infection with HIV?

Transmission is more likely when the mother has AIDS rather than HIV.

13) Under what circumstance(s) will a recessive gene be expressed?

When it is paired with another recessive gene for the same trait

12) Phyllip has red hair, which comes from a recessive gene. This must mean that Phyllip received the gene from

both parents

71) When researchers have examined the relationship between maternal emotions and prenatal development, the most consistent finding has been that

fetuses of severely distressed mothers tend to grow more slowly.

9) Which of the following terms describes an individual's unique genetic blueprint, which is created from genes contributed by both parents?

genotype

21) Which of the following terms describes physical traits which are influenced by both genes and the environment?

multifactorial

10) Meko has dark hair and dark eyes, even though his biological mother is fair skinned. Meko's hair and eye color are part of his

phenotype