During the Aftermath of a Disaster,the Nurse Is Assigned to Triage

During the aftermath of a disaster,the nurse is assigned to triage incoming injured people.A man shows all the symptoms of a myocardial infarction.What should the nurse do first?

A) Give him a red tag so that he is the next person for the physician to treat.
B) Give him a green tag because without a cardiac care unit,the man will not survive.
C) Allow him to die with dignity by giving him a black tag.
D) Provide care for the man until a physician becomes available.