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 0.0375 mg by injection. The ampoule is labelled 50 micrograms per mL. What volume V do you draw up?

0.0375 mg50 mcg/mL
V = mL
2.Easy
0123455 mL

The prescription is 30 mg. The stock solution contains 20 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

30 mg20 mg/1 mL
V = mL
3.Medium
024681010 mL

A child weighing 10 kg is prescribed 10 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

10 kg10 mg/kg50 mg/mL
V = mL
4.Medium
1 g+ 3.4 mLV = ? mL

A vial contains 1 g of powder. The label says: add 3.4 mL of water for injection to give a total volume of 4 mL. The prescription is 375 mg. What volume V of the reconstituted solution do you give?

1 g+ 3.4 mL → 4 mL375 mg
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 3500 units of a drug that comes as 5000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

3500 units5000 units/mL
V = mL
6.Hard
25 kg104 cmBSA = √(h·w/3600)25 mg/m²D = ? mg

A patient is 104 cm tall and weighs 25 kg. The prescription is 25 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

104 cm25 kg25 mg/m²
D = mg

Answer key

  1. 1. V = 0.75 mL
  2. 2. V = 1.5 mL
  3. 3. V = 2 mL
  4. 4. V = 1.5 mL
  5. 5. V = 0.7 mL
  6. 6. D = 21.25 mg

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