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
True about Branchial cyst is: March 2013 (h) 
Select and explain. 
A. Cysts are more common than sinuses, B. Mostly arises from 2nd branchial system, C. Causes dysphagia and hoarseness, D. Sinus should always be operated
B: Mostly arises from 2nd branchial system
Answer: B: Mostly arises from 2nd branchial system 
Explanation: Ans. B i.e. Mostly arises from 2nd branchial system