A 53-year-old man suddenly collapses and becomes unresponsive. You witness him collapse and are the first rescuer to arrive at the scene, and you find him lying motionless on the floor.
If you suspect that an unresponsive victim has head or neck trauma, what is the preferred method for opening the airway?
a) Head tilt-chin lift
b) Jaw thrust
c) Head tilt-neck lift
d) Avoid opening the airway
