This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2017, Subject name: Surgery
In a school bus accident, which of the following victim you will attend first? 
Select and explain. 
A. A child with Airway obstruction, B. A child with shock, C. A child with flail chest, D. A child with Severe head injury
A: A child with Airway obstruction
Answer: A: A child with Airway obstruction 
Explanation: Initial assessment, also termed the primary survey, follows the mnemonic ABCDE: Airway and cervical spine protection, Breathing, Circulation, Disability or neurologic condition, Exposure and environmental control.