Practice Question
A pediatric client weighing 18 kg has been prescribed amoxicillin 25 mg/kg/day in three divided doses. The available concentration is amoxicillin 250 mg/5 mL. How many mL should the nurse administer dose? Round the answer to the nearest whole number.
Answer Choices:
Correct Answer:
3
Rationale:
Calculate daily dose:
25 mg/kg/day × 18 kg = 450 mg/day.
Divide into 3 doses (TID):
450 mg/day ÷ 3 = 150 mg per dose.
Use the concentration to find mL:
250 mg in 5 mL ⇒ 50 mg/mL.
150 mg ÷ 50 mg/mL = 3 mL per dose.
Round as instructed: already a whole number → 3 mL.
Quick safety check:
– Dose equals the ordered 25 mg/kg/day when summed over 3 doses (3 mL × 3 = 9 mL/day → 9 mL × 50 mg/mL = 450 mg/day ✅).
– Typical TID interval: every 8 hours.
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This question is from Exam 4 - Modules 7 and 8 which contains 69 questions.
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Question Details
- Category: RN Nursing Exam(s)
- Subcategory: General Exams
- Domain: Medical-surgical📚
- Answer Choices: 1