This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
Sequence of resuscitation in a trauma patient: 
Select and explain. 
A. Circulation, airway and breathing, B. Airway, breathing and circulation, C. Airway, circulation and breathing, D. Breathing, airway and circulation
B: Airway, breathing and circulation
Answer: B: Airway, breathing and circulation 
Explanation: - First step- cervical spine protection | ABCDE A - Airway maintenance B - Breathing C - Circulation D - Disability (brief neurological examination) E - Exposure and environment control