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 65 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

65 mg125 mg/5 mL
V = mL
2.Easy
? × 250 mcg

The prescription is 0.5 mg of a drug. The tablets contain 250 micrograms (mcg) each. How many tablets n do you give?

0.5 mg250 mcg/tablet
n = tablets
3.Medium
25 kg10 mg/kgD = ? mg

A patient weighs 25 kg and is prescribed 10 mg/kg as a single dose. Find the dose D in mg.

25 kg10 mg/kg
D = mg
4.Medium
024681010 mL

A child weighing 10 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?

10 kg5 mg/kg25 mg/mL
V = mL
5.Hard
50 mg/1 mLV = ? mL

A patient weighs 33 lb. The prescription is 2 mg/kg as a single dose, and the stock contains 50 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give?

33 lb2 mg/kg50 mg/1 mL1 kg = 2.2 lb
V = mL
6.Hard
50 mg/1 mLV = ? mL

A patient weighs 158.4 lb. The prescription is 5 mg/kg as a single dose, and the stock contains 50 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give?

158.4 lb5 mg/kg50 mg/1 mL1 kg = 2.2 lb
V = mL

Answer key

  1. 1. V = 2.6 mL
  2. 2. n = 2 tablets
  3. 3. D = 250 mg
  4. 4. V = 2 mL
  5. 5. V = 0.6 mL
  6. 6. V = 7.2 mL

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