Give "drug x" 5.0 mg/kg per day in two divided doses. the patient weighs 53 lb . how many mg should be given per dose? how many mg should be given per day?

Answer : The amount of drug X given per day should be 120.2 mg.

The amount of drug X given per dose should be 60.1 mg.

Explanation :

First we have to convert the weight of patient from lb to kg.

Conversion used :

or,

As,

So,

The weight of patient is, 24.04 kg.

Now we have to determine the amount of drug X should be given per day.

As, 1 kg weight of patient contains 5.0 mg of drug X per day

So, 24.04 kg weight of patient contains 24.04 × 5.0 = 120.2 mg of drug X per day

The amount of drug X given per day should be 120.2 mg.

Now we have to determine the amount of drug X should be given per dose.

In 2 doses, the patient contains 120.2 mg of drug X

In 1 dose, the patient contains of drug X

The amount of drug X given per dose should be 60.1 mg.