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    Hesi RN Dosage Calculation WGU 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

    Here's how to calculate the number of acyclovir tablets the nurse should administer every 24 hours: 1. We know the following: Prescribed dose per administration: 800 mg (given) Frequency: Every 6 hours (given) Tablet strength: 400 mg per tablet (given) 2. We need to find the total daily dose (mg) of acyclovir. Calculation: Total daily dose (mg) = Dose per administration (mg) x Frequency (number of administrations per day) Total daily dose (mg) = 800 mg/dose x 4 doses/day (24 hours / 6 hours/dose) Total daily dose (mg) = 3200 mg 3. Now, we can find the total number of tablets for the daily dose. Number of tablets = Total daily dose (mg) / Dose per tablet (mg) Number of tablets = 3200 mg / 400 mg/tablet Number of tablets = 8 tablets Therefore, the nurse should administer 8 tablets of acyclovir every 24 hours.

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