A nurse is preparing to administer a medication from an ampule. Which of the following is an appropriate action for the nurse to take?

A. Cleanse the tip of the ampule with an alcohol swab after opening.
B. Add 0.5 mL of diluent to the medication.
C. Use a filter needle to aspirate the medication.
D. Inject air into the ampule prior to drawing the medication into a syringe.