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
From the scheme given below, choose the appropriate
order of priorities in the management of a patient with polytrauma:
1.	Control of external haemorrhage
2.	Intravenous infusion and transfusion
3.	Maintenance of patent airway
4.	Relief of a tension pneumothorax.
5.	Splinting of fractures. 
Select and explain. 
A. 1,5,2,3,4, B. 3,4,1,2,5, C. 4,1,5,3,2, D. 2,1,5,3,4
B: 3,4,1,2,5
Answer: B: 3,4,1,2,5 
Explanation: None