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: Radiology
[{'content': 'Best investigation for Traumatic paraplegia \nSelect and explain. \nA. CT Scan, B. Routine Tomography (MRI), C. X Ray spine, D. Myelography', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. MRI MRIQ is the investigation of choice for imaging traumatic spine (ex paraplegia). CT is second best investigation.', 'role': 'assistant'}]