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
0123455 mL

The prescription is 30 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

30 mg125 mg/5 mL
V = mL
2.Easy
? × 12.5 mg

A patient is prescribed 12.5 mg of a drug. The tablets on the ward contain 12.5 mg each. How many tablets n do you give?

12.5 mg12.5 mg/tablet
n = tablets
3.Medium
121 kgBSA = 2.1 m²100 mg/m²D = ? mg

A patient weighing 121 kg has a body surface area of 2.1 m². The prescription is 100 mg/m². Find the dose D in mg.

121 kgBSA = 2.1 m²100 mg/m²
D = mg
4.Medium
024681010 mL

A child weighing 40 kg is prescribed 2.5 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

40 kg2.5 mg/kg20 mg/mL
V = mL
5.Hard
61 kg148 cmBSA = √(h·w/3600)250 mg/m²D = ? mg

A patient is 148 cm tall and weighs 61 kg. The prescription is 250 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

148 cm61 kg250 mg/m²
D = mg
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 950 units of a drug that comes as 1000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

950 units1000 units/mL
V = mL

Answer key

  1. 1. V = 1.2 mL
  2. 2. n = 1 tablets
  3. 3. D = 210 mg
  4. 4. V = 5 mL
  5. 5. D = 395.9 mg
  6. 6. V = 0.95 mL

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