This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Patients comes with fracture femur in an acute accident, the first things to do is 
Select and explain. 
A. Secure airway and treat the shock, B. Splinting, C. Physical examination, D. X-rays
A: Secure airway and treat the shock
Answer: A: Secure airway and treat the shock 
Explanation: A i.e. Secure airway