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
Ibuprofen IM injection is not typically used for labor pain due to its limited effectiveness for severe pain and potential side effects on the mother and fetus.
Choice B rationale
Pudendal block provides pain relief during the second stage of labor, particularly for episiotomy or forceps delivery. It is not typically used during the active phase of labor dilation.
Choice C rationale
Spinal block is often used for cesarean sections or late-stage labor but is not commonly used for pain management during early or active labor due to its short duration of action.
Choice D rationale
Epidural analgesia is the most effective and widely used method for pain management during active labor. It provides continuous pain relief by administering medication through a catheter placed in the epidural space.
Correct Answer is B
Explanation
Choice A rationale
A magnesium sulfate level of 61 mEq/L is high and may cause toxicity, but the most critical level is higher.
Choice B rationale
A magnesium sulfate level of 70 mEq/L is extremely high and most likely to result in toxicity, including respiratory and cardiac complications.
Choice C rationale
A magnesium sulfate level of 29 mEq/L is elevated but not necessarily indicative of toxicity.
Choice D rationale
A magnesium sulfate level of 45 mEq/L is also high but less critical compared to 70 mEq/L.
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