A nurse is preparing to administer a loading dose of phenytoin (Dilantin) 5 mg/kg/day divided equally ever 12 hr for an infant who weighs 12 lb 4 oz. How many mg should the nurse administer per dose? Round to the nearest tenth.

13.9 mg

A nurse is preparing to administer ampicillin 50 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 39.6 lb. available is 250 mg/5mL how many mL should the nurse administer per dose? Round to the nearest whole number

6 ml

Oxacillin oral solution 250 mg po q 6H for a child weighing 42 lb. The recommended dosage is 50 mg/kg/day in equally divided dosages q 6h. Is the dosage ordered safe?

No; the dosage is not equally divided

A nurse is preparing to administer ceftazidime 40 mg/kg/ IV bolus every 8 hr to a toddler who weighs 22 lb. Available is ceftazidine 40 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

10 ml/dose