<prompt> Answer this question truthfullyWhat does the term Adrenergic agonist mean?  <response>: <reason> β 2 agonists: stimulates adenylyl cyclase activity; closing of calcium channel smooth muscle relaxants; used to treat asthma and COPD. Selected examples are:salbutamol albuterol in USA Fenoterol Formoterol Isoproterenol β 1 and β 2 Metaproterenol Salmeterol Terbutaline Clenbuterol 