A nurse is preparing to administer fluphenazine hydrochloride 3 mg IM to a client who has schizophrenia. Available is fluphenazine hydrochloride Injection 2.5 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer The nurse should administer 1.2 mL of fluphenazine hydrochloride. Step-by-Step Calculation Understanding the Problem Desired dose: 3 mg fluphenazine hydrochloride Available concentration: 2.5 mg/mL We need to find the volume to administer. Calculations Calculate the volume to administer: Volume (mL) = Desired dose (mg) / Concentration (mg/mL) Volume = 3 mg / 2.5 mg/mL = 1.2 mL The nurse should administer 1.2 mL of fluphenazine hydrochloride.