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': 'Patient with pelvic fracture presents with anuria. After 24 hrs bladder is not palpable. Possible diagnosis includes:a) Bulbar urethral injuryb) Posterior urethral injuryc) Extraperitoneal rupture of bladderd) Intraperitoneal rupture of bladder \nSelect and explain. \nA. ab, B. bc, C. bd, D. cd', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The provided clues suggest rupture of the bladder, either intraperitoneal or extraperitoneal. The differentiation between the two could not be made on the basis of given clinical findings.', 'role': 'assistant'}]