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 170 mg. The stock solution contains 250 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

170 mg250 mg/5 mL
V = mL
2.Easy
40 mg/1 mLV = ? mL

The prescription is 60 mg. The stock solution contains 40 mg in 1 mL. What volume V do you draw up?

60 mg40 mg/1 mL
V = mL
3.Medium
80 kg30 mg/kg/day2× per dayD = ? mg

A patient weighs 80 kg. The prescribed dose is 30 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

80 kg30 mg/kg/day2× per day
D = mg
4.Medium
10%2 mLm = ? mg

How many milligrams of drug m are in 2 mL of a 10% (w/v) solution?

10% w/v2 mL
m = mg
5.Hard
20k units1000 mL? mL/h1250 units/h

An infusion contains 20000 units of a drug in 1000 mL. The prescription is 1250 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/1000 mL1250 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 8300 units of a drug that comes as 10000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

8300 units10000 units/mL
V = mL

Answer key

  1. 1. V = 3.4 mL
  2. 2. V = 1.5 mL
  3. 3. D = 1200 mg
  4. 4. m = 200 mg
  5. 5. R = 62.5 mL/h
  6. 6. V = 0.83 mL

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