The Nurse Is Changing the Dressing on a Central Venous

The nurse is changing the dressing on a central venous catheter. The client refuses to wear a mask. What action by the nurse is best?

A) Drape a sterile towel over the client's face.
B) Tell the client the mask must be worn.
C) Have the client turn his or her head away.
D) Inform the provider the dressing cannot be changed.