A Client Is Going to Be Admitted for a Scheduled

A client is going to be admitted for a scheduled surgical procedure.Which action does the nurse explain is the most important thing the client can do to protect against errors?

A) Bring a list of all medications and what they are for.
B) Keep the doctor's phone number by the telephone.
C) Make sure all providers wash hands before entering the room.
D) Write down the name of each caregiver who comes in the room.