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
Nexus criteria in trauma is used for 
Select and explain. 
A. Intubation, B. Burns resuscitation, C. Blood transfusion, D. Taking X-Ray cervical spine
A: Intubation
Answer: A: Intubation 
Explanation: Ref: ALTS, 10th edition Pgno: 140