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: Medicine
[{'content': 'Subdural haematoma most commonly results from: \nSelect and explain. \nA. Rupture of intracranial aneurysm, B. Rupture of cerebral AVM, C. Injury to coical bridging veins, D. Hemophilia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Injury to coical bridging veins): Subdural hemorrhage is caused by the rupture of bridging veins that connect the brain and the dural sinuses i.e. coical bridging veins. Memo: Most common cause of extradural hemorrhage is Rupture of middle meningeal aery.', 'role': 'assistant'}]