A 41-year-old male patient has been struck in the head with a metal pipe. As you approach the patient, you note that he is combative and has blood on the left side of his face and head and on his shirt. His breathing appears to be labored and he is incontinent of urine. Which one of the following would you perform immediately?

A) Check his pupils for equality and reactivity.
B) Apply oxygen at 15 lpm via nonrebreather mask.
C) Take manual in-line spinal stabilization.
D) Expose the chest to look for possible bleeding.

C