With Regard to Systemic Analgesics Administered During Labor,nurses Should Be

With regard to systemic analgesics administered during labor,nurses should be aware that:

A) systemic analgesics cross the maternal blood-brain barrier as easily as they do the fetal blood-brain barrier.
B) effects on the fetus and newborn can include decreased alertness and delayed sucking.
C) intramuscular (IM) administration is preferred over intravenous (IV) administration.
D) IV patient-controlled analgesia (PCA) results in increased use of an analgesic.