The Home Care Nurse Observes White Patches on the Oral

The home care nurse observes white patches on the oral mucosa of a client with severe,chronic airflow limitation.What is the nurse's best action?

A) Ask the client whether he or she uses a steroid inhaler.
B) Inquire about any recent viral illnesses.
C) Have the client rinse the mouth with salt water.
D) Have the client brush the patches with a soft-bristled brush.