Question

The dose of a drug is critical. Too small a dose may not treat a patient effectively, while too much can cause serious side effects. A nurse must give a patient 40 mg of a drug for each kilogram of the patient's mass. If a patient weighs 165 lb, how many milligrams of the drug should be alven?

Answer 1

Proportionately, the amount of the drug that the patient should be given is 2,993.71 mg.

What is the proportion?

The proportion is the ratio of a variable to another.

Proportion defines the numerical relationships among variables.

Proportion shows how much a value is contained in the whole.

Data and Calculations:

2.20462 lb = 1 kg

165 lb = 74.8428 kg (165/2.20462)

1 kg = 40 mg of the drug

74.8428 kg = 2,993.71 mg (74.8428 kg x 40 mg)

Thus, the amount of the drug that the patient should be given is 2,993.71 mg.

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