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 · 2× 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 2 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/day2× per day
D = mg
2.Easy
amoxicillin oral suspension250 mg/5 mLper dose: V = ? mL

Practice exercise (made-up values, not clinical guidance). A child weighing 20 kg is prescribed amoxicillin 40 mg/kg/day, divided every 12 hours. The oral suspension contains 250 mg in 5 mL. What volume V do you give per dose? Round to one decimal place.

20 kg40 mg/kg/dayevery 12 h250 mg/5 mL
V = mL
3.Medium
heparin 5 000 units/mL70 units/kg · 51 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 51 kg. The vial contains 5 000 units/mL. What volume V do you draw up? Round to two decimal places.

70 units/kg51 kg5 000 units/mL
V = mL
4.Medium
heparin 1 000 units/mL80 units/kg · 109 kg → V = ? mL

Practice exercise (made-up values, not clinical guidance). A practice protocol calls for a heparin bolus of 80 units/kg for a patient who weighs 109 kg. The vial contains 1 000 units/mL. What volume V do you draw up? Round to one decimal place.

80 units/kg109 kg1 000 units/mL
V = mL
5.Hard
8 mg250 mLnorepinephrine? mL/h93 kg4 mcg/min

Practice exercise (made-up values, not clinical guidance). A patient who weighs 93 kg has an order for norepinephrine at 4 mcg/min. The bag contains 8 mg in 250 mL. Find the pump rate R in mL/h. Round to one decimal place.

8 mg/250 mL4 mcg/min93 kg
R = mL/h
6.Hard
500 mg250 mLdobutamine31 mL/h85 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dobutamine infusion of 500 mg in 250 mL runs at 31 mL/h. The patient weighs 85 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

500 mg/250 mL31 mL/h85 kg
D = mcg/kg/min

Answer key

  1. 1. D = 375 mg
  2. 2. V = 8 mL
  3. 3. V = 0.71 mL
  4. 4. V = 8.7 mL
  5. 5. R = 7.5 mL/h
  6. 6. D = 12.2 mcg/kg/min

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