A DNR order is:

a. a type of living will that determines who should make medical decisions if the ill or injured person becomes incapacitated
b. a legal form authorizing a licensed physician to remove life-support systems from a comatose patient
c. a document, usually signed by a person and his physician, that prevents the transfer of an unresponsive ill or injured person from a hospital to a skilled nursing facility
d. a legal document that details the patient's wishes regarding life-prolonging procedures under certain circumstances

d