With regard to medications, herbs, shots, and other substances normally encountered, the maternity nurse should be aware that:
a. Both prescription and over-the-counter (OTC) drugs that otherwise are harmless can be made hazardous by metabolic deficiencies of the fetus.
b. The greatest danger of drug-caused developmental deficits in the fetus is seen in the final trimester.
c. Killed-virus vaccines (e.g., tetanus) should not be given during pregnancy, but live-virus vaccines (e.g., measles) are permissible.
d. No convincing evidence exists that secondhand smoke is potentially dangerous to the fetus.
A
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A This is especially true for new medications and combinations of drugs.
B The greatest danger of drug-caused developmental defects exists in the interval from fertilization through the first trimester, when a woman may not realize that she is pregnant.
C Live-virus vaccines should be part of postpartum care; killed-virus vaccines may be administered during pregnancy.
D Secondhand smoke is associated with fetal growth restriction and increases in infant mortality.
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