You are dispatched to the scene of a motorcycle crash in which two patients were injured. Upon arrival, you find that one patient, a 19-year-old woman, is conscious and alert and is being tended to by a police officer for minor scrapes and cuts. The second patient is a 20-year-old man who is found facedown approximately 25' from the motorcycle. he states that he cannot feel or move his legs. Neither patient was wearing a helmet. After taking body substance isolation precautions, you begin your initial assessment of the man. Your first action should be to

A. apply an extrication collar
B. stabilize his head manually
C. evaluate the patency of his airway
D. roll him to a supine position

Answer: stabilize his head manually