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    Hesi rn dosage calculation d441 proctored exam
    Calculation

    A client receives a prescription for amoxicillin 250 mg PO every 8 hours. The client is to take the medication until the bottle is empty. After the nurse reconstitutes the dry powder, how many days will the bottle of medication last? (Enter numerical value only.)

    days

    Explanation & Rationale

    Given Information: Prescribed dose: 250 mg every 8 hours Amoxicillin bottle contains: 50 mL (as seen in the image) Calculate the total dose per day Total dose per day = Prescribed dose x Number of doses per day Total dose per day = 250 mg/dose x 3 doses/day = 750 mg/day Calculate the total number of doses in the bottle Total doses in bottle = Total amoxicillin in bottle / Prescribed dose per dose Total doses in bottle = 50 mL x 500 mg/mL (assumed concentration) / 250 mg/dose = 100 doses Calculate the number of days the bottle will last Days = Total doses in bottle / Doses per day Days = 100 doses / 3 doses/day = 33.33 days Round down to the nearest whole number (since the bottle won't last a partial day) Days = 33 days

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