A nurse is administering azithromycin 10 mg/kg PO to a toddler who weighs 27 lb. Available is azithromycin suspension 200 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["3"]
Step by step calculation:
The child's weight is 27 lb.
The medication dosage is 10 mg/kg.
The available medication concentration is 200 mg/5 mL.
Calculating the total dose in mg:
Convert the child's weight to kg: 27 lb ÷ 2.2 lb/kg = 12.27 kg
Calculate the total dose: 12.27 kg × 10 mg/kg = 122.7 mg
Calculating the volume to administer:
Use the concentration of the medication: 122.7 mg ÷ (200 mg/5 mL) = 122.7 mg ÷ 40 mg/mL = 3.0675 mL
Rounding the answer:
3.0675 rounds to 3 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["850"]
Explanation
Step by step calculation:
The desired dose of magnesium hydroxide is 0.85 g.
We need to convert grams to milligrams.
Converting grams to milligrams:
1 g = 1000 mg
0.85 g x 1000 mg/g = 850 mg
Correct Answer is ["2.3"]
Explanation
Step-by-step calculation:
The child's weight is 77 lb.
The medication dosage is 10 mg/kg.
The available medication concentration is 150 mg/mL.
Calculating the total dose in mg:
Convert the child's weight to kg: 77 lb ÷ 2.2 lb/kg = 35 kg
Calculate the total dose: 35 kg × 10 mg/kg = 350 mg
Calculating the volume to administer:
Use the concentration of the medication: 350 mg ÷ 150 mg/mL = 2.33 mL
Rounding the answer:
2.33 rounds to 2.3 mL
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