Practice test

PTCB Pharmacy Calculations Practice Test

Formulas, calculations, ratios, proportions, conversions, and the symbols for days supply, quantity, dose, concentration, and dilutions (KA 4.1).

Practice

Question 1 of 11

11 questions in this set. They arrive in a fresh order every time you land here, so you can come back and meet different ones first.

Question 1 of 11. You need 30 mg of a powder, but the balance will not weigh that little accurately. You weigh 240 mg and dissolve it in 12 mL of diluent. How many mL hold 30 mg?

Hint: Work out the mg per mL first, then divide the dose by that concentration.

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