A nurse is providing teaching for a client about advance directives. Which of the following client statements indicates an understanding of the teaching?

"I need to choose a family member to be my health care proxy."

"My family member or a friend will use my living will for health care decisions when I am ill."

"I am unable to change my living will after I have signed it."

"My health care proxy will make my health care decisions when I am no longer able."