Colorado CNA Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

An advance directive is a legal document that outlines a person's preferences for medical treatment and care if they are unable to make decisions for themselves. It allows individuals to specify the type of medical care they wish to receive or not receive in the event they become incapacitated. Therefore, the correct answer is C because it accurately reflects the purpose and function of an advance directive.

Options A, B, and D are incorrect as they do not align with the typical function of an advance directive.