Which statement is accurate about the abuse of substances during pregnancy?
a. Substance abuse is most damaging to the fetus during the third trimester.
b. Use of alcohol, tobacco, marijuana, and cocaine can cause fetal growth retardation.
c. Inhaled substances are more likely than intravenous substances to cross the placental barrier.
d. Newborn infants rarely experience withdrawal after birth to a mother who has used addictive substances.
ANS: B
Alcohol, tobacco, marijuana, and cocaine can cause fetal growth retardation. The fetus is at greatest risk in the first trimester. Intravenous substances are more likely to cross the placental barrier. The newborn of an addicted mother will experience withdrawal from the substances she was using.
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