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': 'Which is Not true regarding gastric outlet obstruction \nSelect and explain. \nA. Hypokalemia, B. Hypochloremia, C. Alkaline urine, D. Metabolic alkalosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans is 'c' ie Alkaline urine", 'role': 'assistant'}]