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 3000 micrograms (mcg) of a drug. The tablets contain 1 mg each. How many tablets n do you give?

3000 mcg1 mg/tablet
n = tablets
2.Easy
0123455 mL

The prescription is 29 mg. The stock solution contains 10 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

29 mg10 mg/1 mL
V = mL
3.Medium
12 kg10 mg/kg/day4× per dayD = ? mg

A patient weighs 12 kg. The prescribed dose is 10 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

12 kg10 mg/kg/day4× per day
D = mg
4.Medium
024681010 mL

A child weighing 22 kg is prescribed 5 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

22 kg5 mg/kg25 mg/mL
V = mL
5.Hard
20k units500 mL? mL/h500 units/h

An infusion contains 20000 units of a drug in 500 mL. The prescription is 500 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/500 mL500 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 470 micrograms. The ampoule contains 0.5 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

470 mcg0.5 mg/mL
V = mL

Answer key

  1. 1. n = 3 tablets
  2. 2. V = 2.9 mL
  3. 3. D = 30 mg
  4. 4. V = 4.4 mL
  5. 5. R = 12.5 mL/h
  6. 6. V = 0.94 mL

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