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: Surgery
[{'content': 'Congenital hyperophic pyloric stenosis associated with \nSelect and explain. \nA. Hypokalemic acidosis, B. Hypokalemic alkalosis, C. Hyperkalemic acidosis, D. Hyperkalemic alkalosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Due to electrolyte changes because of vomiting, hypochloremic, hyponatremic, hypokalemic, hypocalcemic, hypomagnesemic alkalosis occurs with paradoxical aciduria. Reference: SRB 5th edition page no. 829', 'role': 'assistant'}]