This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Adrenergic System, Subject name: Pharmacology
a2 agonists cause all of the following except: 
Select and explain. 
A. Analgesia, B. Hyperalgesia, C. Sedation, D. Anxiolysis
B: Hyperalgesia
Answer: B: Hyperalgesia 
Explanation: Ans. b. Hyperalgesia (Ref: Goodman and Gilman 12/e pe p296; Katzung 12/e p176)a2 agonists causes analgesia, not the hyperalgesia.Potential actions of alpha2 agonists (DASHA)Drying of secretionsQAnalgesiaQSedationQHypotensionQAnxiolysisQ