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
? × 1 mg

The prescription is 2000 micrograms (mcg) of a drug. The tablets contain 1 mg each. How many tablets n do you give?

2000 mcg1 mg/tablet
n = tablets
2.Easy
0123455 mL

The prescription is 38 mg. The stock solution contains 10 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

38 mg10 mg/1 mL
V = mL
3.Medium
22 kg2 mg/kg/day3× per dayD = ? mg

A patient weighs 22 kg. The prescribed dose is 2 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

22 kg2 mg/kg/day3× per day
D = mg
4.Medium
15 kg15 mg/kgD = ? mg

A patient weighs 15 kg and is prescribed 15 mg/kg as a single dose. Find the dose D in mg.

15 kg15 mg/kg
D = mg
5.Hard
52 kg181 cmBSA = √(h·w/3600)175 mg/m²D = ? mg

A patient is 181 cm tall and weighs 52 kg. The prescription is 175 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

181 cm52 kg175 mg/m²
D = mg
6.Hard
60 kg142 cmBSA = √(h·w/3600)100 mg/m²D = ? mg

A patient is 142 cm tall and weighs 60 kg. The prescription is 100 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

142 cm60 kg100 mg/m²
D = mg

Answer key

  1. 1. n = 2 tablets
  2. 2. V = 3.8 mL
  3. 3. D = 14.67 mg
  4. 4. D = 225 mg
  5. 5. D = 283 mg
  6. 6. D = 153.8 mg

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