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

148 mg200 mg/5 mL
V = mL
2.Easy
50 mg/1 mLV = ? mL

The prescription is 60 mg. The stock solution contains 50 mg in 1 mL. What volume V do you draw up?

60 mg50 mg/1 mL
V = mL
3.Medium
25 kg20 mg/kg/day4× per dayD = ? mg

A patient weighs 25 kg. The prescribed dose is 20 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

25 kg20 mg/kg/day4× per day
D = mg
4.Medium
60 kg20 mg/kg/day3× per dayD = ? mg

A patient weighs 60 kg. The prescribed dose is 20 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

60 kg20 mg/kg/day3× per day
D = mg
5.Hard
20k units1000 mL? mL/h500 units/h

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

20000 units/1000 mL500 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 280 units of a drug that comes as 1000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

280 units1000 units/mL
V = mL

Answer key

  1. 1. V = 3.7 mL
  2. 2. V = 1.2 mL
  3. 3. D = 125 mg
  4. 4. D = 400 mg
  5. 5. R = 25 mL/h
  6. 6. V = 0.28 mL

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