This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
Milwakulee classification is used for 
Select and explain. 
A. Sphincter of oddi dysfunction, B. Abnormal pancreaticobiliary duct junction, C. Acute pancreatitis, D. Chronic pancreatitis
A: Sphincter of oddi dysfunction
Answer: A: Sphincter of oddi dysfunction 
Explanation: Modified Milwaukee classification is used for Biliary sphincter of oddi classification Types Sphincter of oddi stenosis : Also known as papillitis Benign intrinsic obstruction of the CBD outlet. Sphincter of oddi dyskinesis : It is an intermittent functional Blockage of the high pressure zone of the sphincter. Basal pressure is elevated, but administration of smooth muscles relaxants(nitrates) causes decrease of the basal sphincter pressure in functional dyskinesis Ref: Sabiston 20th edition Pgno :1497