You arrive at the scene of a motor vehicle collision with a pedestrian. The scene appears safe. You check the victim for responsiveness and look at his chest for movement. He is not responsive and does not appear to be breathing normally. You send a bystander to call 911. What do you do next?
a. Check for a pulse.
b. Give 2 rescue breaths.
c. Begin chest compressions.
d. Look for a medical alert bracelet.