A nurse is caring for an infant who weighs 12 lb and is prescribed cefuroxime sodium 15mg/kg PO every 12 hr. Available is cefuroxime sodium oral solution 125mg/5mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["3.3"]
Step 1: Convert pounds to kilograms
1 lb is approximately 0.453592 kg
So, 12 lb is 12 X 0.453592 kg = 5.443104 kg
Step 2: Calculate the total dose of cefuroxime
The prescribed dose is 15 mg/kg
The infant weighs 5.443104 kg
So, the total dose is 15 mg/kg X 5.443104 kg = 81.64656 mg
Step 3: Determine the volume of oral solution needed
The oral solution contains 125 mg/5 mL
We need to administer 81.64656 mg
To find the volume, we can set up a proportion:
125 mg / 5 mL = 81.64656 mg / x mL
Cross-multiply: 125x = 81.64656X 5
125x = 408.2328
x = 408.2328 / 125
x ≈ 3.27 mL
Therefore, the nurse should administer approximately 3.3 mL per dose.
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Related Questions
Correct Answer is ["175"]
Explanation
Convert grams to kilograms: 3500 g = 3.5 kg
Calculate the dose: 50 mg/kg X 3.5 kg = 175 mg
Correct Answer is ["50"]
Explanation
Total volume to infuse = 50 mL
Total infusion time in minutes = 20 minutes
Drop factor = 20 gtt/mL
Drip rate (gtt/min) = (Total volume in mL) X (Drop factor) / (Total infusion time in minutes)
= 50 mL X 20 gtt/mL / 20 minutes = 50 gtt/min
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