ATI Dosage Calculations 3.0: Dosages by
Weight
A nurse is preparing to administer potassium chloride 5 mEq/kg/day PO divided in equal doses
every 6hr to a child who weighs 64 lb. Available is potassium chloride liquid 40 mEq/15mL. How
many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a
leading zero if it applies. Do not use a trailing zero.) - ANS13.6 mL/dose
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 tenth. Use a leading zero if it applies. Do not use a
trailing zero.) - ANS10 mL/dose
The nurse is preparing to administer gentamicin to a client who weighs 165 lb. The medication
reference recommends administering 2 mg/kg IM every 8 hr. How many mg should the nurse
plan to administer per dose? (Round the answer to the nearest whole number. Use a leading
zero if it applies. Do not use a trailing zero.) - ANS150 mg/dose
A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a preschooler who weighs 20kg.
Available is tobramycin injection 40mg/mL. How many mL should the nurse administer per
dose?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a
trailing zero.) - ANS1.3 mL/dose
A nurse is preparing to administer amoxicillin 30 mg/kg/day PO divided in equal doses every 12
hr to an infant who weighs 5.5 kg. Available is amoxicillin suspension 125 mg/5 mL. How many
mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a
leading zero if it applies. Do not use a trailing zero.) - ANS3.3 mL/dose
A nurse is preparing to administer phenytoin 15 mg/kg/day PO divided in equal three doses to a
client who weighs 120 lb. Available is phenytoin 125 mg/5 mL. How many mL should the nurse
administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies.
Do not use a trailing zero.) - ANS10.9 mL/dose
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? - ANS8 kg
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?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a
trailing zero.) - ANS4.5 mL/dose
Weight
A nurse is preparing to administer potassium chloride 5 mEq/kg/day PO divided in equal doses
every 6hr to a child who weighs 64 lb. Available is potassium chloride liquid 40 mEq/15mL. How
many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a
leading zero if it applies. Do not use a trailing zero.) - ANS13.6 mL/dose
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 tenth. Use a leading zero if it applies. Do not use a
trailing zero.) - ANS10 mL/dose
The nurse is preparing to administer gentamicin to a client who weighs 165 lb. The medication
reference recommends administering 2 mg/kg IM every 8 hr. How many mg should the nurse
plan to administer per dose? (Round the answer to the nearest whole number. Use a leading
zero if it applies. Do not use a trailing zero.) - ANS150 mg/dose
A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a preschooler who weighs 20kg.
Available is tobramycin injection 40mg/mL. How many mL should the nurse administer per
dose?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a
trailing zero.) - ANS1.3 mL/dose
A nurse is preparing to administer amoxicillin 30 mg/kg/day PO divided in equal doses every 12
hr to an infant who weighs 5.5 kg. Available is amoxicillin suspension 125 mg/5 mL. How many
mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a
leading zero if it applies. Do not use a trailing zero.) - ANS3.3 mL/dose
A nurse is preparing to administer phenytoin 15 mg/kg/day PO divided in equal three doses to a
client who weighs 120 lb. Available is phenytoin 125 mg/5 mL. How many mL should the nurse
administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies.
Do not use a trailing zero.) - ANS10.9 mL/dose
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? - ANS8 kg
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?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a
trailing zero.) - ANS4.5 mL/dose
