Contents
ATI Dosage Calculations 3.0: Dosages by Weight.........................................................................................2
ATI Dosage Calculation and Safe Medication Administration 3.0 - Powdered Medications................6
ATI Oral Medications Dosage Calculation..........................................................................................13
ATI Dosage Calculations.........................................................................................................................17
,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.)
- 13.6 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.)
- 10 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.)
- 150 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.)
- 1.3 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.)
- 3.3 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.)
- 10.9 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?
- 8 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.)
- 4.5 mL/dose
A nurse is preparing t administer potassium gluconate 3 mEq/kg/day divided in equal doses
every 6 hr to preschooler who weighs 42 lb. Available is potassium gluconate liquid 20
mEq/15mL. 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.)
- 11 mL/dose
A nurse is preparing to administer phenytoin 5 mg/kg/day PO divided equally every 12 hr for an
infant who weighs 12 lb 4 oz. How many mg should the nurse administer per dose?
- 13.9 mg/dose
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/dose
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?
, - 22.7 mEq/dose
A nurse is preparing to administer amikacin IM to a client who weighs 176 lb. The medication
reference states that the safe dosage range is 7.5 to 15 mg/kg/day divided every 12 to 24 hr. What
is the maximum safe dose the nurse should expect to administer per day?
- 1,200 mg/day
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 caring for an infant who weighs 11 lb 4 oz. What is the infant's weigh in lb?
- 11.25 lb
A nurse is preparing to administer cefdinir to. child who weighs 44 lb. The medication reference
recommends administering 7 mg/kg PO every 12 hr. How many mg should the nurse plan to
administer per dose?
- 140 mg/dose
A nurse is preparing to administer valproic acid 45 mg/kg/day PO divided in equal doses every 8
hr to a child who weighs 66 lb. Available is valproic acid syrup 250 mg/5 mL. How many mL
should the nurse administer per dose?
- 9 mL/dose
A nurse is preparing to administer amoxicillin 25 mg/kg/day PO divided in equal doses every 8
hr to a preschooler who weighs 43 lb. Available is amoxicillin suspension 250 mg/5 mL. How
many mL should the nurse administer per dose?
- 3.3 mL/dose
A nurse is preparing to administer midazolam IM to a client who is preoperative and weighs 132
lb. The medication reference states the safe dosage range is 0.07 to 0.08 ,g/kg. What is the
maximum safe dose the nurse should expect to administer?
ATI Dosage Calculations 3.0: Dosages by Weight.........................................................................................2
ATI Dosage Calculation and Safe Medication Administration 3.0 - Powdered Medications................6
ATI Oral Medications Dosage Calculation..........................................................................................13
ATI Dosage Calculations.........................................................................................................................17
,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.)
- 13.6 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.)
- 10 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.)
- 150 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.)
- 1.3 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.)
- 3.3 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.)
- 10.9 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?
- 8 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.)
- 4.5 mL/dose
A nurse is preparing t administer potassium gluconate 3 mEq/kg/day divided in equal doses
every 6 hr to preschooler who weighs 42 lb. Available is potassium gluconate liquid 20
mEq/15mL. 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.)
- 11 mL/dose
A nurse is preparing to administer phenytoin 5 mg/kg/day PO divided equally every 12 hr for an
infant who weighs 12 lb 4 oz. How many mg should the nurse administer per dose?
- 13.9 mg/dose
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/dose
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?
, - 22.7 mEq/dose
A nurse is preparing to administer amikacin IM to a client who weighs 176 lb. The medication
reference states that the safe dosage range is 7.5 to 15 mg/kg/day divided every 12 to 24 hr. What
is the maximum safe dose the nurse should expect to administer per day?
- 1,200 mg/day
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 caring for an infant who weighs 11 lb 4 oz. What is the infant's weigh in lb?
- 11.25 lb
A nurse is preparing to administer cefdinir to. child who weighs 44 lb. The medication reference
recommends administering 7 mg/kg PO every 12 hr. How many mg should the nurse plan to
administer per dose?
- 140 mg/dose
A nurse is preparing to administer valproic acid 45 mg/kg/day PO divided in equal doses every 8
hr to a child who weighs 66 lb. Available is valproic acid syrup 250 mg/5 mL. How many mL
should the nurse administer per dose?
- 9 mL/dose
A nurse is preparing to administer amoxicillin 25 mg/kg/day PO divided in equal doses every 8
hr to a preschooler who weighs 43 lb. Available is amoxicillin suspension 250 mg/5 mL. How
many mL should the nurse administer per dose?
- 3.3 mL/dose
A nurse is preparing to administer midazolam IM to a client who is preoperative and weighs 132
lb. The medication reference states the safe dosage range is 0.07 to 0.08 ,g/kg. What is the
maximum safe dose the nurse should expect to administer?
