You Have a Patient Who Is Unresponsive on the Floor

You have a patient who is unresponsive on the floor.What is the best way to rule in or rule out trauma as a cause of the patient's unresponsiveness?

A) Examine the patient for signs of trauma.
B) Look for a Glasgow Coma Scale score that is less than 8.
C) Check the patient's blood sugar to rule out hypoglycemia.
D) Look for bystanders and ask them if they witnessed the incident.