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
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 8 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 8 h125 mg/5 mL
V = mL
2.Easy
cephalexin · 50 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 50 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 lb50 mg/kg/day3× per day
D = mg
3.Medium
25 000 units500 mLheparin? mL/h87 kg20 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 20 units/kg/h for a patient who weighs 87 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/500 mL20 units/kg/h87 kg
R = mL/h
4.Medium
heparin 5 000 units/mL60 units/kg · 80 kg → V = ? mL

Practice exercise (made-up values, not clinical guidance). A practice protocol calls for a heparin bolus of 60 units/kg for a patient who weighs 80 kg. The vial contains 5 000 units/mL. What volume V do you draw up? Round to two decimal places.

60 units/kg80 kg5 000 units/mL
V = mL
5.Hard
800 mg500 mLdopamine5 mL/h92 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dopamine infusion of 800 mg in 500 mL runs at 5 mL/h. The patient weighs 92 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

800 mg/500 mL5 mL/h92 kg
D = mcg/kg/min
6.Hard
400 mg250 mLdopamine? mL/h55 kg10 mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A bag contains dopamine 400 mg in 250 mL. The order is 10 mcg/kg/min for a patient who weighs 55 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

400 mg/250 mL10 mcg/kg/min55 kg
R = mL/h

Answer key

  1. 1. V = 7.2 mL
  2. 2. D = 250 mg
  3. 3. R = 34.8 mL/h
  4. 4. V = 0.96 mL
  5. 5. D = 1.4 mcg/kg/min
  6. 6. R = 20.6 mL/h

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