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: Pharmacology
[{'content': 'Alpha 2 agonist cause all of the following except? \nSelect and explain. \nA. Analgesia, B. Hyperalgesia, C. Sedation, D. Anxiolysis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hyperalgesia Alpha 2 agonist causes analgesia, not the hyperalgesia.', 'role': 'assistant'}]