You Arrive on the Scene of a Motor Vehicle Collision

You arrive on the scene of a motor vehicle collision and are presented with a patient complaining of chest pain after striking his chest on the steering wheel. On scene Emergency Medical Responders (EMRs) are maintaining cervical immobilization manually. He is alert and oriented and has a patent airway. His respirations are 24 with good chest rise and fall, and his skin is warm and dry. His heart rate is 96 and SpO₂ 92% on room air. At this time you should:

A) apply a cervical spine immobilization collar.
B) provide supplemental oxygen.
C) obtain a blood pressure and medical history.
D) start positive pressure ventilation.