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29 May, 12:55

A 90 lb person is prescribed a drug in the amount of 50mg/kg body per day to be delivered in 2 doses per day. Each tablet contains 250mg of the medicine. How many tabletes should be given per dose?

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  1. 29 May, 16:30
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    4 tabletes/dose

    Explanation:

    mass person = (90 Lb) * (Kg/2.20462 Lb) = 40.823 Kg body

    amount of medicine = 50 mg/Kg body. day

    frecuency = 2 dose/day

    ⇒ amount of medicine/day = (50 mg/kg body. day) * (40.823 Kg body) = 2041.168 mg/day

    ⇒ mg medicine/dose = (20141.168 mg/day) * (day / 2 dose) = 1020.584 mg medicine/dose

    ∴ mg medicine/tablet = 250 mg medicine/tablet

    ⇒ # tabletes/dose = (1020.584 mg medicine/dose) * (tablet/250 mg medicine) = 4.082 tabletes/dose

    ⇒ # tabletes/dose ≅ 4 tabletes/dose
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