<prompt> Sulfonylureas act by:Decreasing glucagon secretion from pancreasDecreasing insulin secretion from pancreasIncreasing gluconeogenesisIncreasing insulin secretion from pancreas  <response>: Ans. D Increasing insulin secretion from pancreasRef: KDT 8e p294Sulfonylureas stimulate the release of insulin by the beta cells of the islets of Langerhans by blocking K channels. Glucagon secretion is also reduced by sulfonylureas, but it is a minor action. 