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
10 mg/1 mLV = ? mL

The prescription is 15 mg. The stock solution contains 10 mg in 1 mL. What volume V do you draw up?

15 mg10 mg/1 mL
V = mL
2.Easy
0123455 mL

The prescription is 84 mg. The stock solution contains 20 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

84 mg20 mg/1 mL
V = mL
3.Medium
70 kg25 mg/kg/day3× per dayD = ? mg

A patient weighs 70 kg. The prescribed dose is 25 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

70 kg25 mg/kg/day3× per day
D = mg
4.Medium
1:1000ampouleV = ? mL

An ampoule of epinephrine (adrenaline) is labelled 1:1000 (1 mg/mL). The prescription is 0.5 mg IM for anaphylaxis. What volume V do you draw up?

1:10000.5 mg
V = mL
5.Hard
25%stockwater = ? mL

You must prepare 1000 mL of a 0.5% (w/v) solution from a 25% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 25%C₂ = 0.5%V₂ = 1000 mL
W = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 295 micrograms. The ampoule contains 0.5 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

295 mcg0.5 mg/mL
V = mL

Answer key

  1. 1. V = 1.5 mL
  2. 2. V = 4.2 mL
  3. 3. D = 583.3 mg
  4. 4. V = 0.5 mL
  5. 5. W = 980 mL
  6. 6. V = 0.59 mL

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