This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluids & Electrolyte Disorders - Acid-Base Balance, Subject name: Surgery
[{'content': 'Recurrent vomiting due to intestinal obstruction causes- \nSelect and explain. \nA. Respiratory acidosis, B. Respiratory alkalosis, C. Metabolic acidosis, D. Metabolic alkalosis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e.. Metabolic alkalosis", 'role': 'assistant'}]