A preadolescent weighing 99 lb is prescribed carbamazepine (Tegretol) 10 mg/kg per 24 hours in two divided doses. How much medication will the nurse provide the patient for one dose? (Enter numeric response only.)
What will be an ideal response?
225 mg
Feedback:
The nurse needs to first determine the patient's weight in kilograms by dividing 99 lb by 2.2 or 99 / 2.2 = 45 kg. Next, the nurse is to multiply the prescribed dose of 10 mg by the body weight in kilograms or 10 × 45 = 450 . If the child is to receive 450 mg of the medication in 24 hours, divide this total by 2 to determine that the child is to receive 225 mg for each dose.
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