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: Medicine
[{'content': 'Symptoms of VIPOMA- \nSelect and explain. \nA. Gall stones, B. Secretory diarrhoea, C. Fat malabsorption, D. Flushing', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A vipoma is a non-beta pancreatic islet cell tumor secreting vasoactive intestinal peptide (VIP), resulting in a syndrome of watery diarrhea, hypokalemia, and achlorhydria (WDHA syndrome).The major clinical features are prolonged watery diarrhea (fasting stool volume > 750 to 1000 mL/day) Ref Davidson edition23rd pg678b', 'role': 'assistant'}]