Med-Math Dosage Calculations Practice Test 2026 – Complete Exam Prep

When you’re given a concentration, think in terms of how much drug each milliliter contains. Here, 60 mg per mL means every 1 mL has 60 mg. To get a total dose of 120 mg, you need enough volume so that 60 mg/mL × volume = 120 mg. Solve by dividing: volume = 120 mg ÷ 60 mg/mL = 2 mL. Verifying by multiplication: 60 mg/mL × 2 mL = 120 mg. So the required volume is 2 mL.