A neonatologist prescribes gentamicin for a 2-day-old, septic preterm infant who weighs 2800 grams.
The dosage of gentamicin for babies under 1 week of age is 2.5 mg/kg every 24 hours.
The nurse calculates the safe daily dosage of this medication as?
The Correct Answer is ["7"]
Step 1 is 2800 grams × 2.5 mg/kg. 2800 grams × 2.5 mg/kg = 7000 mg/kg.
Step 2 is 7000 mg ÷ (1000 mg/kg). 7000 mg ÷ (1000 mg/kg) = 7 mg.
Final calculated answer: 7 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
A post-term pregnancy at 42 weeks of gestation does not require tocolytic therapy. Tocolytics are used to stop preterm labor, not to manage full-term or post-term pregnancies.
Choice B rationale
A client who is dilated to 7 cm and experiencing contractions every 3-4 minutes is in active labor, and tocolytic therapy is not appropriate in this advanced stage of labor.
Choice C rationale
Braxton-Hicks contractions at 36 weeks of gestation are typically harmless and do not require tocolytic therapy. These contractions are usually irregular and do not lead to labor.
Choice D rationale
A client who is experiencing preterm labor at 32 weeks of gestation is an appropriate candidate for tocolytic therapy. The goal is to delay labor to allow for further fetal development and possibly administer corticosteroids to enhance fetal lung maturity.
Correct Answer is D
Explanation
Choice A rationale
Taking pressure off of the presenting part of the fetal head can help improve blood flow and oxygen supply to the fetus, potentially preventing hypoxia.
Choice B rationale
Preparing the client for an immediate cesarean birth is a necessary step in cases of umbilical cord prolapse to quickly deliver the baby and reduce the risk of fetal distress.
Choice C rationale
Placing the client in a knee-chest position helps to alleviate pressure on the umbilical cord, increasing blood flow and oxygen supply to the fetus.
Choice D rationale
Attempting to gently put the cord back inside is not recommended as it can cause more harm and increase the risk of cord compression and infection.
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