<prompt> In triage of School bus accident of children which one will you attend first and give priority?Airway obstruction childBoy who has ShockFlail chest childSevere Head injury  <response>: Ans. a Airway obstructionRef Page 413 Sabiston 20th edition, Surgery Sixer 2nd Edition Page 106This 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 