Answer:
The Living Will
Explanation: Living Will is a document giving directives to the care givers and physicians on how and when to withdraw medical supports to patients with terminally illness or withhold artificial supports.
It can only be used if the person will not be able to give the instructions himself,without this document the doctor is legally and ethical bound to keep the terminally patient alive till the Document is fully signed.The living will help the terminally ill person and his or her relatives to know about what is to be administered on the person.