This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'Posterior column lesion which of the following is not affected \nSelect and explain. \nA. Vibration, B. Temperature, C. Fine touch, D. Crude sense', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Posterior column carries sensations of fine touch, tactile localization, two-point discrimination, vibration, pressure with intensity discrimination and sense of position and proprioception. Therefore, damage to this pathway will produce following effects: - sensory ataxia - loss of sensation Ref:guyton and hall textbook of medical physiology 12 edition page number :576,577,578', 'role': 'assistant'}]