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': 'If a single spinal nerve is cut, the area of tactile loss is always greater than the area of loss of painful sensation, because \nSelect and explain. \nA. Tactile information is carried by myelinated fast conduction fiber, B. Tactile receptors adapt quickly, C. Degree of overlap of fibers carrying tactile sensation is much less, D. In the primary sensory cortex tactile sensation is represented on a larger area', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Degree of overlap of fiber carrying tactile sensation is much less(Ref: Ganong, 25th ed/p.160)The degree of overlap of fibers carrying pain is much greater than tactile sensationSo, the area of tactile loss is always greater for tactile sensation', 'role': 'assistant'}]