The Nurse Is Caring for a Patient on the Medical-Surgical $\bold{first}$

The nurse is caring for a patient on the medical-surgical unit with a wound that has a drain and a dressing that needs changing. Which action should the nurse take $\bold{first}$ ?

A) Provide analgesic medications as ordered.
B) Avoid accidentally removing the drain.
C) Don sterile gloves.
D) Gather supplies.