A Patient Asks, "What Is an Advance Directive?" the Nurse

A patient asks, "What is an advance directive?" The nurse explains that examples of advance directives are: (select all that apply)

A) preserving cord blood for possible future needs of a child.
B) providing instructions that life-sustaining medical procedures should be withheld in the event of a terminal situation.
C) giving someone the legal right to act on one's behalf when one becomes incapacitated.
D) completing hospital admission paperwork before being admitted to the hospital.