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: Unknown
Polytrauma patient back examination - 
Select and explain. 
A. Log roll, B. Barrel role, C. Chin lift, D. None
A: Log roll
Answer: A: Log roll 
Explanation: Ans. is 'a' i.e.,Log roll Log roll o Once the patient has been evaluated anteriorly, a log roll should be performed to inspect the back. o One member of the team is responsible for maintaining in-line spinal stabilization (usually the anesthetist when the patient is intubated). o Three other trained staff hold the patient steady through the turn.