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
[{'content': "VIPoma is associated with which syndrome: \nSelect and explain. \nA. Zollinger Ellison, B. Verner Morrison, C. Carcinoid syndrome, D. Cushing's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: VIPomas are endocrine tumors that secrete excessive amounts of vasoactive intestinal peptide (VIP),\nExcessive VIP causes a distinct syndrome characterized by large-volume diarrhea, hypokalemia, and dehydration. This syndrome also is called Verner-Morrison syndrome, pancreatic cholera, and WDHA syndrome for watery diarrhea, hypokalemia, and achlorhydria.\nThe principal symptoms are large-volume diarrhea (100%) severe enough to cause hypokalemia (80-100%), dehydration (83%), hypochlorhydria (54-76%), and flushing (20%).\nIn adults 80-90% of VlPomas are pancreatic in location, with the rest due to VIP-secreting pheochromocytomas, intestinal carcinoids, and rarely ganglioneuromas.', 'role': 'assistant'}]