HESI RN Exit Proctored Exam
Calculation
The healthcare provider prescribes amoxicillin 5 grams PO daily, in equally divided doses to be administered every 8 hours. The medication is available in a bottle labeled, "Amoxicillin suspension 200 mg/5 mL." How many mL should the nurse administer every 8 hours? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
mL
Explanation & Rationale
Daily dose = 5 g = 5000 mg Doses q8h ⇒ 3 doses/day Per dose (mg) = 5000 mg ÷ 3 = 1666.7 mg Concentration = 200 mg/5 mL = 40 mg/mL mL per dose = 1666.7 mg ÷ 40 mg/mL = 41.7 mL (round to the nearest tenth)
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