A patient is ordered 50 mg of psychotropic medication to be given IV push. The available vial contains 20 mg/mL. How many milliliters should be drawn from the vial to meet the dosage requirement?

A. This would only provide 20 mg, which is less than half of the required dose. B. Step 1: Use the formula- Volume to administer (mL) = Desired dose ÷ Concentration. Step 2: Insert known values: Desired dose = 50 mg, Concentration = 20 mg/mL. Volume to administer = 50 ÷ 20. Volume to administer = 2.5 mL. C. This would provide 40 mg (20 mg X 2), leaving the patient under-medicated. D. This would provide 100 mg (20 mg X 5), which is double the prescribed dose and could lead to toxicity.