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
Alpha 2 agonist cause all of the following except? 
Select and explain. 
A. Analgesia, B. Hyperalgesia, C. Sedation, D. Anxiolysis
B: Hyperalgesia
Answer: B: Hyperalgesia 
Explanation: Hyperalgesia Alpha 2 agonist causes analgesia, not the hyperalgesia.