Durable Power of Attorney. What is a durable power of attorney for health care? Why is it needed even if you have a living will? A durable power of attorney for is a legal document granting a person the power to make specific decisions for you drop-down menus.) This type of power of attorney places your trust in someone who knows your preferences rather than in: (Select the best answer below) O A. a health care facility. O B. your spouse, if applicable. O c. your attorney OD. family members