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 8 kg is prescribed cephalexin 40 mg/kg/day, divided every 12 hours. The oral suspension contains 125 mg in 5 mL. What volume V do you give per dose? Round to one decimal place.

8 kg40 mg/kg/dayevery 12 h125 mg/5 mL
V = mL
2.Easy
azithromycin · 10 mg/kg/day · 1× per day55 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 55 lb. The prescription is azithromycin 10 mg/kg/day once a day. Using 1 kg = 2.2 lb, find the dose D in mg given each time.

55 lb1 kg = 2.2 lb10 mg/kg/day1× per day
D = mg
3.Medium
100 units250 mLregular insulin7.5 mL/h? units/h

Practice exercise (made-up values, not clinical guidance). An infusion of 100 units of regular insulin in 250 mL runs at 7.5 mL/h. How many units per hour D does the patient receive?

100 units/250 mL7.5 mL/h
D = units/h
4.Medium
heparin 5 000 units/mL70 units/kg · 73 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 73 kg. The vial contains 5 000 units/mL. What volume V do you draw up? Round to one decimal place.

70 units/kg73 kg5 000 units/mL
V = mL
5.Hard
4 mg250 mLnorepinephrine? mL/h73 kg6 mcg/min

Practice exercise (made-up values, not clinical guidance). A patient who weighs 73 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/min73 kg
R = mL/h
6.Hard
25 mg250 mLnitroglycerin? mL/h91 kg5 mcg/min

Practice exercise (made-up values, not clinical guidance). A patient who weighs 91 kg has an order for nitroglycerin at 5 mcg/min. The bag contains 25 mg in 250 mL. Find the pump rate R in mL/h. Round to one decimal place.

25 mg/250 mL5 mcg/min91 kg
R = mL/h

Answer key

  1. 1. V = 6.4 mL
  2. 2. D = 250 mg
  3. 3. D = 3 units/h
  4. 4. V = 1 mL
  5. 5. R = 22.5 mL/h
  6. 6. R = 3 mL/h

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