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 ["2"]
Explanation
Desired dose: 250 mg
Available concentration: 1000 mg/8 mL
Calculation:
To find the volume needed, we can set up a proportion:
1000 mg / 8 mL = 250 mg / x mL
Cross-multiply: 1000x = 250 X 8
1000x = 2000
x = 2000 / 1000
x = 2 mL
Therefore, the nurse should administer 2 mL.
Correct Answer is ["200"]
Explanation
The nurse is administering 1 g of ceftriaxone sodium in 100 mL of dextrose 5% in water over 30 minutes.
To find out how many mL/hr the IV pump should be set to, we can divide the total volume by the total time.
Infusion time in hours = 30 minutes / 60 minutes/hour = 0.5 hours
Infusion rate (mL/hr) = 100 mL / 0.5 hours = 200 mL/hr
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