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: Anaesthesia
[{'content': 'Which one of the following is the description used for the term allodynia during pain management ? \nSelect and explain. \nA. Absence of pain perception, B. Complete lack of pain sensation, C. Unpleasant sensation with or without a stimulus, D. Perception of an ordinarily non-noxious stimulus as severe pain', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Allodynia refers to perception of an ordinarily non-noxious stimulus as pain.', 'role': 'assistant'}]