This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'A person after pelvic fracture, could not pass urine. On examination bladder is not palpable. What is probable diagnosis \nSelect and explain. \nA. Posterior urethra repture with retension of urine, B. Rectourethral injury, C. Intraperitoneal rupture of bladder, D. Extraperitoneal rupture of bladder', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Intraperitoneal ruptures of the bladder, usually from direct blunt injury, will require surgical repair. Extraperitoneal ruptures are usually associated with a fracture of the pelvis and will heal with adequate urine drainage. Ref : Bailey and love 26thE pg361', 'role': 'assistant'}]