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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy
? × 10 mg

A patient is prescribed 10 mg of a drug. The tablets on the ward contain 10 mg each. How many tablets n do you give?

10 mg10 mg/tablet
n = tablets
2.Easy
100 mg/5 mLV = ? mL

The prescription is 40 mg. The stock solution contains 100 mg in 5 mL. What volume V do you draw up?

40 mg100 mg/5 mL
V = mL
3.Medium
0.5%w/vV = ? mL

A dose of 5 mg is needed from a 0.5% (w/v) solution. What volume V contains this dose?

5 mg0.5% w/v
V = mL
4.Medium
1:10 000ampouleV = ? mL

A prefilled syringe of epinephrine (adrenaline) is labelled 1:10 000 (0.1 mg/mL). The prescription is 1 mg IV in cardiac arrest. What volume V do you give?

1:10 0001 mg
V = mL
5.Hard
10%stockwater = ? mL

You must prepare 200 mL of a 2% (w/v) solution from a 10% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 10%C₂ = 2%V₂ = 200 mL
W = mL
6.Hard
250 mg/5 mLV = ? mL

A child weighing 10 kg is prescribed 10 mg/kg per dose of an oral suspension that contains 250 mg in 5 mL. What volume V do you give?

10 kg10 mg/kg250 mg/5 mL
V = mL

Answer key

  1. 1. n = 1 tablets
  2. 2. V = 2 mL
  3. 3. V = 1 mL
  4. 4. V = 10 mL
  5. 5. W = 160 mL
  6. 6. V = 2 mL

Full step-by-step solutions: practise this topic on examproblems.com.