ATI: Dosages by Weight

A nurse is preparing to administer ceftazidime (Fortaz) 30 mg/kg/day IV bolus divided in equal doses every 8 hr to a toddler who weighs 22 lb. Available is ceftazidime injection 280 mg/mL. How many mL should the nurse administer per dose?

0.4 mL IV bolus every 8 hr.

A nurse is preparing to administer epoeiten alfa (Epogen) 50 units/kg subcutaneous to a preschooler who weighs 40 lbs. Available is epoetin alfa 2,000 units/mL. How many mL should the nurse administer?

0.46 mL per dose.

A nurse is preparing to administer tobramycin (Tobrex) 2.5 mg/kg IM to a preschooler who weighs 20 kg. Available is tobramycin injection 40 mg/mL. How many mL should the nurse administer per dose?

1.3 mL

A nurse is preparing to administer ampicillin (Principen) 50 mg/kg/day PO divided in equal doses every 6 hr to a child who weighs 88 lbs. Available is ampicillin oral suspension 250 mg/5 mL. How many mL should the nurse administer per dose?

10 mL PO every 6 hr.

A nurse is preparing to administer potassium gluconate (Kaon) 3 mEq/kg/day PO divided in equal doses every 6 hr to a preschooler who weighs 42 lb. Available is potassium gluconate liquid 20 mEq/15 mL. How many mL should the nurse administer per dose?

11 mL PO every 6 hr.

A nurse is preparing to administer phenytoin (Dilantin) 15 mg/kg/day PO divided in equal doses every 8 hr to a client who weighs 120 lb. Available is phenytoin suspension 125 mg/5 mL. How many mL should the nurse administer per dose?

11 mL PO every 8 hr.

A nurse is preparing to administer famotidine (Pepcid) 0.5 mg/kg PO every 12 hr to a child who weighs 50 lb. How many mg should the nurse administer per dose?

11.4 mg PO every 12 hr.

A nurse is preparing to administer potassium chloride (Kaon-CL) 5 mEq/kg/day PO divided in equal doses every 6 hr to a child who weighs 64 lb. Available is potassium chloride liquid 40 mEq/15 mL. How many mL should the nurse administer per dose?

14 mL PO every 6 hr.

A nurse is preparing to administer acyclovir (Zovirax) 5 mg/kg PO every 8 hr to a client who weighs 75 lb. How many mg should the nurse administer per dose?

170.5 mg PO every 8 hr.

A nurse is converting an infant's weight from lb to kg. If the infant weighs 6 lb 2 oz, she weighs how many kg?

2.8 kg

A nurse is preparing to administer a loading dose of phenytoin (Dilantin) 5 mg/kg IV bolus stat to an infant who weighs 12 lb 4 oz. How many mg should the nurse administer?

28 mg IV bolus stat.

A nurse is preparing to administer amoxicillin (Amoxil) 30 mg/kg/day PO divided in equal doses every 12 hr to an infant who weighs 5.5kg. Available is amoxicillin suspension 125 mg/5 mL. How many mL should the nurse administer per dose?

3.3 mL PO every 12 hr.

A nurse is preparing to administer amoxicillin (Amoxil) 25mg/kg/day PO divided in equal doses every 8 hr to a preschooler who weighs 43 lb. Available is amoxicillin suspension 250mg/5 mL. How many mL should the nurse administer per dose?

3.3 mL PO every 8 hr.

A nurse is preparing to administer cefaclor (Ceclor) 40 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 48 lb. Available is cefaclor suspension 375 mg/5 mL. How many mL should the nurse administer per dose?

3.9 mL PO every 8 hr.

A nurse is preparing to administer erythromycin ethylsuccinate (EryPed) 50 mg/kg/day PO divided in equal doses every 6 hr to a toddler who weighs 32 lb. Available is erythromycin ethylsuccinate suspension 200 mg/5 mL. How many mL should the nurse administer per dose?

4.5 mL PO every 6 hr

A nurse is converting an infant's weight from lb to kg. If the infant weighs 10 lb 4 oz, what is his weight in kg?

4.7 kg

A nurse is preparing to administer potassium gluconate (Kaon) 2 mEq/kg PO every 12 hr to a child who weighs 50 lb. How many mEq should the nurse administer per dose?

45.4 mEq PO every 12 hr.

A nurse is converting a toddler's weight from lb to kg. If the toddler weighs 17 lb 9 oz, he weighs how many kg?

8 kg

A nurse is preparing to administer valproic acid (Depakote) 45 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 66 lb. Available is valproic acid syrup 250mg/5 mL. How many mL should the nurse administer per dose?

9 mL PO every 8 hr.

A nurse is converting a toddler's weight from lb to kg. If the toddler weighs 20 lb 8 oz, she weighs how many kilograms?

9.3 kg