Dosage calculations worksheet with answers

Free printable Dosage calculations 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
200 mcg/1 mLV = ? mL

The prescription is 0.5 mg by injection. The ampoule is labelled 200 micrograms per mL. What volume V do you draw up?

0.5 mg200 mcg/mL
V = mL
2.Easy
0123455 mL

The prescription is 24 mg. The stock solution contains 40 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

24 mg40 mg/1 mL
V = mL
3.Medium
80 kg5 mg/kg/day3× per dayD = ? mg

A patient weighs 80 kg. The prescribed dose is 5 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

80 kg5 mg/kg/day3× per day
D = mg
4.Medium
024681010 mL

A child weighing 9 kg is prescribed 15 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

9 kg15 mg/kg25 mg/mL
V = mL
5.Hard
40 mg/1 mLV = ? mL

A child weighing 14 kg is prescribed 12.5 mg/kg per dose of an oral suspension that contains 40 mg in 1 mL. What volume V do you give? Round to one decimal place.

14 kg12.5 mg/kg40 mg/1 mL
V = mL
6.Hard
40k units500 mL? mL/h800 units/h

An infusion contains 40000 units of a drug in 500 mL. The prescription is 800 units per hour. At what rate R do you set the pump, in mL/h?

40000 units/500 mL800 units/h
R = mL/h

Answer key

  1. 1. V = 2.5 mL
  2. 2. V = 0.6 mL
  3. 3. D = 133.3 mg
  4. 4. V = 5.4 mL
  5. 5. V = 4.4 mL
  6. 6. R = 10 mL/h

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