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
Kocher's manuever means - 
Select and explain. 
A. Mobilisation of gall bladder during holecystectomy, B. Mobilisation of 2nd pa of duodenum, C. Mobilisation of pancreas during pancreatectomy, D. Mobilisation of ascending colon
B: Mobilisation of 2nd pa of duodenum
Answer: B: Mobilisation of 2nd pa of duodenum 
Explanation: Ans. is 'b' i.e., Mobilisation of 2nd pa of duodenum