Findings from research on exercise during pregnancy reveal that
A. women should not exercise aerobically during pregnancy
B. physically active women experience shorter labors
C. active women deliver smaller babies than do sedentary women
D. pregnant women will be unable to breast-feed if they engage in vigorous exercise programs
Question 2In the situation where both the mother and the father carry the sickle-cell trait, what is the probability that they will produce a child with the sickle-cell trait?
A. 25
B. 50
C. 75
D. 100
Question 3During which prenatal period is the developing organism most susceptible teratogens?
A. germinal
B. embryonic
C. fetal
D. main germinal
Question 4The amount of weight a woman should gain over the course of pregnancy is
A. influenced by the woman's body mass index
B. 40-60 pounds
C approximately 10 pounds the first trimester, 5 pounds per week for the second trimester, and 2 pounds . per week for the third trimester
D approximately 2 pounds per week for the first trimester, 5 pounds per week for the second trimester, . and 10 pounds for the third trimester
Question 5Amniocentesis is administered
A. in the second trimester to all pregnant women who seek medical attention
B. only when the mother is at a high risk for giving birth to a child with abnormalities
C. as a nonintrusive test by placing a small transmitter on the abdomen of the pregnant woman
D. as a safe test with no injection or pain to the mother or potential damage to the fetus
Question 6Phenylketonuria (PKU) is a gene-based disorder caused by
A. rubella
B. the HIV virus
C. a disturbance in amino acid metabolism
D. overuse of aspirin in pregnant mothers
E. lung infection in the pregnant mother
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