Study the following case. Answer the questions that follow with Yes or No.

Babinski prepared and duly executed a living will in which he gave explicit instructions not to be resuscitated in the event he became incapacitated or permanently unconscious without hope of recovery. Twelve years later, Babinski had a change of heart and decided that he wished to receive all appropriate treatment in such circumstances.
a. Is Babinski’s living will an example of an advance directive?
b. Is Babinski’s living will an example of a durable power of attorney for health care?
c. Can Babinski change his living will?
d. Would Babinski’s living will have expired on its own by the time the 12 years had elapsed?