Concerning systemic analgesia administered during labor, nurses should be aware that:
1. systemic analgesics cross the maternal blood-brain barrier as easily as they do the fetal blood-brain barrier.
2. effects on the fetus and newborn can include decreased alertness and delayed sucking.
3. IM administration is preferred over IV administration.
4. IV patient-controlled analgesia (PCA) results in more analgesia being used.
2
1. Incorrect. Systemic analgesics cross the fetal blood-brain barrier more readily than the maternal blood-brain barrier.
2. Correct. Effects depend on the specific drug given, the dosage, and the timing.
3. Incorrect. IV is preferred over IM because the drug acts faster and more predictably.
4. Incorrect. PCAs result in a lower use of analgesic.
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