An 87-Year-Old Patient Is Unsure of the Purpose of a Living

An 87-year-old patient is unsure of the purpose of a living will.Which statement by the nurse is the best description?

A) "It's a legal document that Social Services can help you create."
B) "It designates a family member to make decisions if you become incompetent."
C) "It provides a written description of your wishes in the event you become terminally ill."
D) "It assures you won't be subjected to treatments you don't want."