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    HESI RN Dosage Calculation Proctored Exam
    Calculation

    The healthcare provider prescribes acyclovir 800 mg by mouth (PO) every 6 hours for an adolescent with chicken pox. The medication is available in 400 mg tablets PO. How many tablets should the nurse administer to the client every 24 hours? (Enter the numeric value only.)

    tablets

    Explanation & Rationale

    Step 1: Identify the total daily dosage. 800 mg × 4 doses/day = 3200 mg/day Step 2: Identify the dosage per tablet. 400 mg Step 3: Calculate the number of tablets needed. 3200 ÷ 400 = 8 tablets

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