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: Social & Preventive Medicine
[{'content': 'Demy el inating neurological lesions in the spinal cord are associated with deficiency of vitamin: March 2013 (g) \nSelect and explain. \nA. B1, B. B3, C. B6, D. B12', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. D i.e. B12 Subacute combined degeneration of spinal cord/Lichtheim's disease It refers to degeneration of the posterior and lateral columns of the spinal cord as a result ofvitamin B12 deficiency (most common) or vitamin E deficiency. It is usually associated with pernicious anemia.", 'role': 'assistant'}]