A nurse is assisting with providing care for a client who is in preterm labor at 32 weeks of gestation. Which of the following medications should the nurse anticipate the provider will prescribe to help with lung maturity?
Azithromycin.
Indomethacin.
Magnesium sulfate.
Betamethasone.
The Correct Answer is D
Choice A rationale
Azithromycin is an antibiotic used to treat infections and is not indicated for promoting lung maturity in preterm infants.
Choice B rationale
Indomethacin is a tocolytic agent used to delay preterm labor but does not promote lung maturity in the fetus.
Choice C rationale
Magnesium sulfate is used for neuroprotection and to prevent seizures in preeclampsia, but it does not enhance lung maturity.
Choice D rationale
Betamethasone is a corticosteroid that accelerates fetal lung development and surfactant production, promoting lung maturity in preterm infants.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Breastfeeding a newborn 6-8 times a day is insufficient. Newborns typically need more frequent feedings to ensure adequate nutrition and growth, generally more than 8 times.
Choice B rationale
Newborns should be breastfed 8-12 times in a 24-hour period. This frequent feeding ensures they receive enough nutrients, helps establish milk supply, and supports healthy growth.
Choice C rationale
Feeding 10-14 times a day can be appropriate for some newborns but may not be necessary for all. The standard recommendation is 8-12 times, balancing nourishment and mother's comfort.
Choice D rationale
Breastfeeding 12-16 times a day is excessive and may cause maternal fatigue and discomfort. The general guideline of 8-12 times is sufficient to meet a newborn's nutritional needs.
Correct Answer is B
Explanation
Choice A rationale
Decrease proteinuria is not the primary goal for magnesium sulfate therapy. It's an indicator of kidney function and hypertension severity. Therapy focuses on neuroprotection and seizure prevention. Proteinuria reflects preeclampsia's renal impact, not neuroprotection.
Choice B rationale
Prevent maternal seizures is magnesium sulfate's primary goal. It stabilizes neuronal membranes, reducing seizure risk in severe preeclampsia. By inhibiting NMDA receptors and calcium channels, it prevents seizures, critical for maternal-fetal safety.
Choice C rationale
Reduce deep tendon reflexes is not magnesium sulfate's primary goal, but a side effect. It signifies therapeutic levels, indicating potential toxicity. Reflex reduction helps assess magnesium toxicity risk, ensuring safe neuroprotective dosing.
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