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
40 mg/1 mLV = ? mL

The prescription is 20 mg. The stock solution contains 40 mg in 1 mL. What volume V do you draw up?

20 mg40 mg/1 mL
V = mL
2.Easy
? × 0.5 mg

The prescription is 750 micrograms (mcg) of a drug. The tablets contain 0.5 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

750 mcg0.5 mg/tablet
n = tablets
3.Medium
76 kgBSA = 1.71 m²75 mg/m²D = ? mg

A patient weighing 76 kg has a body surface area of 1.71 m². The prescription is 75 mg/m². Find the dose D in mg.

76 kgBSA = 1.71 m²75 mg/m²
D = mg
4.Medium
80 kg2 mg/kgD = ? mg

A patient weighs 80 kg and is prescribed 2 mg/kg as a single dose. Find the dose D in mg.

80 kg2 mg/kg
D = mg
5.Hard
20k units250 mL? mL/h1500 units/h

An infusion contains 20000 units of a drug in 250 mL. The prescription is 1500 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/250 mL1500 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 560 micrograms. The ampoule contains 2 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

560 mcg2 mg/mL
V = mL

Answer key

  1. 1. V = 0.5 mL
  2. 2. n = 1.5 tablets
  3. 3. D = 128.3 mg
  4. 4. D = 160 mg
  5. 5. R = 18.75 mL/h
  6. 6. V = 0.28 mL

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