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The dose of a drug is critical. Too small a dose may be treat a patient effectively, A nurse must give a patient 40mg of a drug for each kilogram of the patient’s mass. If the patient weighs 165lbs how many milligrams of the drug should be given?

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EXPLANATION

We need to multiply the number of needed milligrams by the weight of the patient, but first turning the weight in lbs into kilograms,

[tex]?Kilograms=165lbs*\frac{0.453}{1lb}=74.745Kg[/tex]

Now, multiplying the obtained weight by the number of miligrams, give us the dose:

[tex]Dose=40\frac{mg}{Kg}*74.745Kg=2989.8mg[/tex]

In conclusion, the nurse should give 2989 mg of the drug.

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