A nurse is caring for a client who has named someone to serve as their health care proxy. The client states they need clarification about this part of the advance directive. Which of the following statements by the client indicates that need for clarification?

"The health care proxy does not go into effect until I am incapable of making decisions."

"If I become incapacitated, end-of-life choices will be made by my proxy."

"I have to choose a family member as my health care proxy."

"I can change who I designate as my health care proxy at any time."