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
50 mcg/1 mLV = ? mL

The prescription is 0.075 mg by injection. The ampoule is labelled 50 micrograms per mL. What volume V do you draw up?

0.075 mg50 mcg/mL
V = mL
2.Easy
0123455 mL

The prescription is 112 mg. The stock solution contains 40 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

112 mg40 mg/1 mL
V = mL
3.Medium
90 kg7.5 mg/kg/day2× per dayD = ? mg

A patient weighs 90 kg. The prescribed dose is 7.5 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

90 kg7.5 mg/kg/day2× per day
D = mg
4.Medium
024681010 mL

A child weighing 28 kg is prescribed 2 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

28 kg2 mg/kg20 mg/mL
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 0.09 mg. The ampoule contains 500 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

0.09 mg500 mcg/mL
V = mL
6.Hard
40k units250 mL? mL/h800 units/h

An infusion contains 40000 units of a drug in 250 mL. The prescription is 800 units per hour. At what rate R do you set the pump, in mL/h?

40000 units/250 mL800 units/h
R = mL/h

Answer key

  1. 1. V = 1.5 mL
  2. 2. V = 2.8 mL
  3. 3. D = 337.5 mg
  4. 4. V = 2.8 mL
  5. 5. V = 0.18 mL
  6. 6. R = 5 mL/h

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