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

37.5 mg125 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 144 mg. The stock solution contains 40 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

144 mg40 mg/1 mL
V = mL
3.Medium
25 kg7.5 mg/kg/day2× per dayD = ? mg

A patient weighs 25 kg. The prescribed dose is 7.5 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

25 kg7.5 mg/kg/day2× per day
D = mg
4.Medium
80 kg2 mg/kg/day2× per dayD = ? mg

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

80 kg2 mg/kg/day2× per day
D = mg
5.Hard
25%stockwater = ? mL

You must prepare 200 mL of a 5% (w/v) solution from a 25% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 25%C₂ = 5%V₂ = 200 mL
W = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 490 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?

490 units1000 units/mL
V = mL

Answer key

  1. 1. V = 1.5 mL
  2. 2. V = 3.6 mL
  3. 3. D = 93.75 mg
  4. 4. D = 80 mg
  5. 5. W = 160 mL
  6. 6. V = 0.49 mL

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