You Arrive on the Scene of a Motor Vehicle Collision

You arrive on the scene of a motor vehicle collision. Walking toward you is the unrestrained driver of the vehicle that sustained moderate front-end damage. The patient complains of some back pain, but is walking around after the crash and does not appear to be suffering from any neurological deficits. What is your initial action in caring for this patient?

A) Perform the primary assessment.
B) Obtain the patient's vital signs.
C) Look for injuries to the patient's back.
D) Take manual in-line spinal stabilization.