This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Which one of the following will complicate as hyperchloremic acidosis \nSelect and explain. \nA. Vomiting, B. Ureterosigmoidostomy, C. Ileoplasty, D. Diarrhoea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The biochemical changes associated with urinary diversion are due to a combination of reabsorption of chloride and urea and progressively diminishing tubular function due to pyelonephritis . diarrhoea with loss of potassium containing mucous may exacerbate the loss of potassium ( so more contribution is by ureterosigmoid diversion than by diarrhoea)', 'role': 'assistant'}]