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
400 mcg/1 mLV = ? mL

The prescription is 0.2 mg by injection. The ampoule is labelled 400 micrograms per mL. What volume V do you draw up?

0.2 mg400 mcg/mL
V = mL
2.Easy
? × 5 mg

A patient is prescribed 15 mg of a drug. The tablets on the ward contain 5 mg each. How many tablets n do you give?

15 mg5 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 40 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?

40 kg10 mg/kg50 mg/mL
V = mL
4.Medium
121 kgBSA = 2.09 m²50 mg/m²D = ? mg

A patient weighing 121 kg has a body surface area of 2.09 m². The prescription is 50 mg/m². Find the dose D in mg.

121 kgBSA = 2.09 m²50 mg/m²
D = mg
5.Hard
20k units250 mL? mL/h1250 units/h

An infusion contains 20000 units of a drug in 250 mL. The prescription is 1250 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/250 mL1250 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1200 units of a drug that comes as 10000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1200 units10000 units/mL
V = mL

Answer key

  1. 1. V = 0.5 mL
  2. 2. n = 3 tablets
  3. 3. V = 8 mL
  4. 4. D = 104.5 mg
  5. 5. R = 15.63 mL/h
  6. 6. V = 0.12 mL

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