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 · 25 mg/kg/day · 3× per day33 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 33 lb. The prescription is cephalexin 25 mg/kg/day in 3 equal divided doses. Using 1 kg = 2.2 lb, find the dose D in mg given each time.

33 lb1 kg = 2.2 lb25 mg/kg/day3× per day
D = mg
2.Easy
amoxicillin · 90 mg/kg/day · 3× per day33 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 33 lb. The prescription is amoxicillin 90 mg/kg/day in 3 equal divided doses. Using 1 kg = 2.2 lb, find the dose D in mg given each time.

33 lb1 kg = 2.2 lb90 mg/kg/day3× per day
D = mg
3.Medium
25 000 units250 mLheparin? mL/h54 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 54 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/h54 kg
R = mL/h
4.Medium
25 000 units250 mLheparin? mL/h68 kg18 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 18 units/kg/h for a patient who weighs 68 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/250 mL18 units/kg/h68 kg
R = mL/h
5.Hard
500 mg250 mLdobutamine16 mL/h74 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dobutamine infusion of 500 mg in 250 mL runs at 16 mL/h. The patient weighs 74 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

500 mg/250 mL16 mL/h74 kg
D = mcg/kg/min
6.Hard
250 mg250 mLdobutamine? mL/h103 kg5 mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A bag contains dobutamine 250 mg in 250 mL. The order is 5 mcg/kg/min for a patient who weighs 103 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

250 mg/250 mL5 mcg/kg/min103 kg
R = mL/h

Answer key

  1. 1. D = 125 mg
  2. 2. D = 450 mg
  3. 3. R = 10.8 mL/h
  4. 4. R = 12.2 mL/h
  5. 5. D = 7.2 mcg/kg/min
  6. 6. R = 30.9 mL/h

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