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': 'Renal Calculi associated with proteus infection is? \nSelect and explain. \nA. Uric Acid, B. Triple Phosphate, C. Calcium oxalate, D. Xanthine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Triple phosphate stones are produced secondary to infection by Proteus mirabilis which is a urease producing bacteria. Ref: Radiological Imaging of the Kidney By Emilio Quaia, Page 403; Bailey 24th Edition, Page 1319; Schwaz 8th Edition, Page 1547; Clinical Pediatric Urology 4th Edition, Page 1238', 'role': 'assistant'}]