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 15 kg is prescribed cephalexin 25 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.

15 kg25 mg/kg/dayevery 8 h125 mg/5 mL
V = mL
2.Easy
cephalexin · 50 mg/kg/day · 2× per day77 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 77 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.

77 lb1 kg = 2.2 lb50 mg/kg/day2× per day
D = mg
3.Medium
250 units250 mLregular insulin? mL/h73 kg0.1 units/kg/h

Practice exercise (made-up values, not clinical guidance). An infusion contains 250 units of regular insulin in 250 mL. The order is 0.1 units/kg/h for a patient who weighs 73 kg. Find the pump rate R in mL/h. Round to one decimal place.

250 units/250 mL0.1 units/kg/h73 kg
R = mL/h
4.Medium
25 000 units500 mLheparin? mL/h104 kg15 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 15 units/kg/h for a patient who weighs 104 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/500 mL15 units/kg/h104 kg
R = mL/h
5.Hard
400 mg250 mLdopamine38 mL/h55 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dopamine infusion of 400 mg in 250 mL runs at 38 mL/h. The patient weighs 55 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

400 mg/250 mL38 mL/h55 kg
D = mcg/kg/min
6.Hard
500 mg250 mLdobutamine36 mL/h86 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dobutamine infusion of 500 mg in 250 mL runs at 36 mL/h. The patient weighs 86 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

500 mg/250 mL36 mL/h86 kg
D = mcg/kg/min

Answer key

  1. 1. V = 5 mL
  2. 2. D = 875 mg
  3. 3. R = 7.3 mL/h
  4. 4. R = 31.2 mL/h
  5. 5. D = 18.4 mcg/kg/min
  6. 6. D = 14 mcg/kg/min

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