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 oral suspension125 mg/5 mLper dose: V = ? mL

Practice exercise (made-up values, not clinical guidance). A child weighing 24 kg is prescribed cephalexin 40 mg/kg/day, divided every 6 hours. The oral suspension contains 125 mg in 5 mL. What volume V do you give per dose? Round to one decimal place.

24 kg40 mg/kg/dayevery 6 h125 mg/5 mL
V = mL
2.Easy
amoxicillin · 50 mg/kg/day · 2× per day22 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 22 lb. The prescription is amoxicillin 50 mg/kg/day in 2 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/day2× per day
D = mg
3.Medium
12 500 units250 mLheparin? mL/h51 kg14 units/kg/h

Practice exercise (made-up values, not clinical guidance). A bag contains 12 500 units of heparin in 250 mL. The order is 14 units/kg/h for a patient who weighs 51 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

12 500 units/250 mL14 units/kg/h51 kg
R = mL/h
4.Medium
heparin 1 000 units/mL70 units/kg · 98 kg → V = ? mL

Practice exercise (made-up values, not clinical guidance). A practice protocol calls for a heparin bolus of 70 units/kg for a patient who weighs 98 kg. The vial contains 1 000 units/mL. What volume V do you draw up? Round to one decimal place.

70 units/kg98 kg1 000 units/mL
V = mL
5.Hard
250 mg250 mLdobutamine? mL/h96 kg2.5 mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A bag contains dobutamine 250 mg in 250 mL. The order is 2.5 mcg/kg/min for a patient who weighs 96 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

250 mg/250 mL2.5 mcg/kg/min96 kg
R = mL/h
6.Hard
4 mg250 mLnorepinephrine? mL/h79 kg6 mcg/min

Practice exercise (made-up values, not clinical guidance). A patient who weighs 79 kg has an order for norepinephrine at 6 mcg/min. The bag contains 4 mg in 250 mL. Find the pump rate R in mL/h. Round to one decimal place.

4 mg/250 mL6 mcg/min79 kg
R = mL/h

Answer key

  1. 1. V = 9.6 mL
  2. 2. D = 250 mg
  3. 3. R = 14.3 mL/h
  4. 4. V = 6.9 mL
  5. 5. R = 14.4 mL/h
  6. 6. R = 22.5 mL/h

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