<prompt> Alpha 2 agonist causes all except:AnxiolysisSedationAnalgesiaHyperalgesia  <response>: Ans. D. Hyperalgesiaa. The alpha-2 adrenergic receptor is a G protein-coupled receptor GPCR. Catecholamines like nor-epinephrine noradrenaline and epinephrine adrenaline signal through the alpha2-adrenergic receptor in the central and peripheral nervous systems.b. Alpha-2 agonists provide sedation, analgesia, muscle relaxation and anxiolysis. 