Before calculating a child's dose by body weight, you must convert his or her weight into:

A. grams
B. kilograms
C. milligrams
D. pounds

d
Rationale: Before calculating a pediatric dosage by body weight, you must first make sure the child's body weight is ex-pressed in kilograms. If it was given to you in pounds, you must divide by 2.2 to obtain the weight in kilograms.