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

"My doctor will need to provide approval for the decisions outlined in my living will."

"I will wait until I have a serious health problem to sign my advance directives."

"My durable power of attorney for health care is part of my advance directives."

"Once I sign my living will, a family member must co-sign it”.