This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Surgery
[{'content': 'An elderly person was found unconscious following a A. Patient was deeply comatose with decerebrate and decoicate rigidity. MRI shows small hemorrhages on corpus callosum and nothing else. Person dies after a week in coma. Most likely cause of death: \nSelect and explain. \nA. Diffuse axonal injury, B. Subdural hematoma, C. EDH, D. Infarct', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Diffuse Axonal Injuries: Classic findings- Unconscious after A + comatose patient with decerebrate and decoicate rigidity + CT scan appears normal. - IOC: MRI: Punctate haemorrhages Subdural hematoma or EDH: IOC - NCCT Infarct can be visualised in both CT and MRI', 'role': 'assistant'}]