Question: You are giving Diphenhydramine PO to a pediatric patient with an allergic reaction. The doctors order is Diphenhydramine 5mg/kg/day q6h PRN for a 20kg child. Your Diphenhydramine concentration is 12.5mg/5mL How many mL's of Diphenhydramine would you give as a single dose? Question options: 10mL 2mL 40mL 6.6mL