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: Anaesthesia
Which of the following tubes is used in surgery for cleft palate 
Select and explain. 
A. Flexometallic tube, B. RAE tube, C. Robert shaw double lumen tube, D. None
B: RAE tube
Answer: B: RAE tube 
Explanation: RAE tube is used for surgery of cleft palate.