When removing/extracting a casualty from a unit-specific platform, it is often possible to initiate interventions before complete extraction; which of these actions should be carried out as soon as you recognize the condition (even before finishing the extraction process), if the situation permits?
a. Establish spinal immobilization with a long board
b. Treat for suspected hypothermia
c. Control any life-threatening hemorrhage
d. Perform a head injury assessment