Pediatric & critical-care dosing worksheet with answers

Free printable Pediatric & critical-care dosing worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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Name: ____________________   Date: ____________

1.Easy
cephalexin · 50 mg/kg/day · 4× per day22 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 22 lb. The prescription is cephalexin 50 mg/kg/day in 4 equal divided doses. Using 1 kg = 2.2 lb, find the dose D in mg given each time.

22 lb1 kg = 2.2 lb50 mg/kg/day4× per day
D = mg
2.Easy
amoxicillin oral suspension125 mg/5 mLper dose: V = ? mL

Practice exercise (made-up values, not clinical guidance). A child weighing 6 kg is prescribed amoxicillin 90 mg/kg/day, divided every 12 hours. The oral suspension contains 125 mg in 5 mL. What volume V do you give per dose? Round to one decimal place.

6 kg90 mg/kg/dayevery 12 h125 mg/5 mL
V = mL
3.Medium
25 000 units250 mLheparin? mL/h94 kg20 units/kg/h

Practice exercise (made-up values, not clinical guidance). A bag contains 25 000 units of heparin in 250 mL. The order is 20 units/kg/h for a patient who weighs 94 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/250 mL20 units/kg/h94 kg
R = mL/h
4.Medium
25 000 units500 mLheparin? mL/h84 kg15 units/kg/h

Practice exercise (made-up values, not clinical guidance). A bag contains 25 000 units of heparin in 500 mL. The order is 15 units/kg/h for a patient who weighs 84 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/500 mL15 units/kg/h84 kg
R = mL/h
5.Hard
500 mg250 mLdobutamine? mL/h90 kg12.5 mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A bag contains dobutamine 500 mg in 250 mL. The order is 12.5 mcg/kg/min for a patient who weighs 90 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

500 mg/250 mL12.5 mcg/kg/min90 kg
R = mL/h
6.Hard
250 mg250 mLdobutamine38 mL/h109 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dobutamine infusion of 250 mg in 250 mL runs at 38 mL/h. The patient weighs 109 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

250 mg/250 mL38 mL/h109 kg
D = mcg/kg/min

Answer key

  1. 1. D = 125 mg
  2. 2. V = 10.8 mL
  3. 3. R = 18.8 mL/h
  4. 4. R = 25.2 mL/h
  5. 5. R = 33.8 mL/h
  6. 6. D = 5.8 mcg/kg/min

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