Filip, a mentally competent 70-year-old, fills out a document stating that if he is terminally ill and mentally incapacitated, he does not want heroic cure-oriented treatments. Filip has completed a .

Living will.

Explanation:

A living will is a legal document that contains the end-of-care wish of the patient who is suffering from a mental disability. In this will, the person expresses and spells out his/ her wishes about her care if or whenever incapacitated.

Filip's act of filing the document that states his wish of not to be administered with "heroic cure-oriented treatments" if his condition deteriorates or he becomes "terminally ill and mentally incapacitated" reveals he has done his living will. This allows mentally ill patients to have a say about their fate and the treatment they want whenever or if they ever need it in the future.

D. byway

Explanation: