When Interviewing an Acutely Confused Patient Who Has a Head

When interviewing an acutely confused patient who has a head injury,which question will provide the most useful information?

A) "Have you ever been hospitalized for a neurological problem?"
B) "Do you have any pain at the present time?"
C) "What have you had to eat in the last 24 hours?"
D) "Can you describe your usual pattern for coping with injury?"