You arrive on scene and find a patient who was in a car accident and was thrown through the windshield. You identify that the head has been almost completely severed from the body, with only a few pieces of tissue on the back of the neck still intact. There is neither heartbeat nor breathing. What should you do first?
A. Contact ALS for intercept.
B. Start CPR.
C. Fully immobilize the patient.
D. Withhold resuscitation.
