In Terms of Calculation of Drug Dosages, Which Information Will

In terms of calculation of drug dosages, which information will be most important for the nurse to collect regarding a pediatric client upon his or her first clinic visit?

A) Health status, nutritional status, and hydration status
B) Age, weight, and height
C) Current use of prescription, over-the-counter, and herbal medications
D) Allergy history of the child and family allergy history