<prompt> All of the following are having stimulatory action on glucagon secretion, EXCEPT:SecretinBeta agonistExerciseAmino acids  <response>: Factors stimulate glucagon secretion: Amino acids paicularly the glucogenic amino acids: alanine, serine, glycine, cysteine, and threonine CCK, gastrin Coisol Exercise Infections Beta adrenergic stimulators Theophylline Acetylcholine Inhibitors of glucagon secretion: Glucose Somatostatin Secretin FFA Ketones Insulin Phenytoin Alpha adrenergic stimulators GABA Ref: Barrett K.E., Barman S.M., Boitano S., Brooks H.L. 2012. Chapter 24. Endocrine Functions of the Pancreas Regulation of Carbohydrate Metabolism. In K.E. Barrett, S.M. Barman, S. Boitano, H.L. Brooks Eds, Ganongs Review of Medical Physiology, 24e. 