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: Medicine
[{'content': "Metabolic alkalosis is seen in all except : \nSelect and explain. \nA. Thaizide diuretic therapy, B. Prolonged vomiting, C. Uretero-sigmoidostomy, D. Cushing's disease", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Uretero-sigmoidostomy): Ureterosigmoidostomy is a cause for normal anion gap type M eta bolic acidosis produced due to loss of bicarbonate in feces. All other options mentioned in the question are causes of metabolic alkalosis.', 'role': 'assistant'}]