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 · 4× per day44 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 44 lb. The prescription is cephalexin 25 mg/kg/day in 4 equal divided doses. Using 1 kg = 2.2 lb, find the dose D in mg given each time.

44 lb1 kg = 2.2 lb25 mg/kg/day4× per day
D = mg
2.Easy
azithromycin oral suspension200 mg/5 mLper dose: V = ? mL

Practice exercise (made-up values, not clinical guidance). A child weighing 23 kg is prescribed azithromycin 10 mg/kg/day, divided every 24 hours. The oral suspension contains 200 mg in 5 mL. What volume V do you give per dose? Round to one decimal place.

23 kg10 mg/kg/dayevery 24 h200 mg/5 mL
V = mL
3.Medium
12 500 units250 mLheparin? mL/h93 kg16 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 16 units/kg/h for a patient who weighs 93 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

12 500 units/250 mL16 units/kg/h93 kg
R = mL/h
4.Medium
20 000 units500 mLheparin? mL/h85 kg15 units/kg/h

Practice exercise (made-up values, not clinical guidance). A bag contains 20 000 units of heparin in 500 mL. The order is 15 units/kg/h for a patient who weighs 85 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

20 000 units/500 mL15 units/kg/h85 kg
R = mL/h
5.Hard
4 mg250 mLnorepinephrine? mL/h72 kg5 mcg/min

Practice exercise (made-up values, not clinical guidance). A patient who weighs 72 kg has an order for norepinephrine at 5 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 mL5 mcg/min72 kg
R = mL/h
6.Hard
800 mg500 mLdopamine17 mL/h77 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dopamine infusion of 800 mg in 500 mL runs at 17 mL/h. The patient weighs 77 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

800 mg/500 mL17 mL/h77 kg
D = mcg/kg/min

Answer key

  1. 1. D = 125 mg
  2. 2. V = 5.8 mL
  3. 3. R = 29.8 mL/h
  4. 4. R = 31.9 mL/h
  5. 5. R = 18.8 mL/h
  6. 6. D = 5.9 mcg/kg/min

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