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': 'Pelvic fracture is associated with \nSelect and explain. \nA. Intraperitoneal bladder rupture, B. Extraperitoneal bladder rupture, C. Anterior urethral injury, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rupture of bladder is mostly seen in public symphisis disruption or public rami fractures. Complications of pelvic fractures: Rupture of urethra (Most common--membranous urethra) Extraperitoneal rupture of bladder Injury to rectum or vagina Injury to major vessels - common iliac aery. Injury to nerves--lumbar sacral plexus Rupture of diaphragm', 'role': 'assistant'}]