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 104 mg. The stock solution contains 200 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

104 mg200 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 20 mg. The stock solution contains 10 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

20 mg10 mg/1 mL
V = mL
3.Medium
024681010 mL

A child weighing 10 kg is prescribed 5 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

10 kg5 mg/kg50 mg/mL
V = mL
4.Medium
45 kg7.5 mg/kg/day2× per dayD = ? mg

A patient weighs 45 kg. The prescribed dose is 7.5 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

45 kg7.5 mg/kg/day2× per day
D = mg
5.Hard
20k units1000 mL? mL/h2000 units/h

An infusion contains 20000 units of a drug in 1000 mL. The prescription is 2000 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/1000 mL2000 units/h
R = mL/h
6.Hard
20k units500 mL? mL/h1000 units/h

An infusion contains 20000 units of a drug in 500 mL. The prescription is 1000 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/500 mL1000 units/h
R = mL/h

Answer key

  1. 1. V = 2.6 mL
  2. 2. V = 2 mL
  3. 3. V = 1 mL
  4. 4. D = 168.8 mg
  5. 5. R = 100 mL/h
  6. 6. R = 25 mL/h

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