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: Physiology
[{'content': 'If a single spinal nerve is cut, the area of  tactile  loss  is  always  greater  than the area of loss of painful sensations, because \nSelect and explain. \nA. Tactile information is carried by myelinated fast conducting fibres, B. Tactile receptors adapt quickly, C. Degree of overlap of fibres 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: There\xa0is\xa0much\xa0overlapping\xa0between\xa0pain carrying fibers as compared to touch.', 'role': 'assistant'}]