<prompt> Which of the following statements about nateglinide is TRUE?It is a long acting oral hypoglycemic drugTaken just before a meal, it limits post prandial hyperglycemia in type 2 diabetes mellitusIt cannot be used in patients with renal impairmentIt acts by opening K channels in myocytes and adipocytes  <response>: Nateglinide and Repaglinide are sho acting oral hypoglycemic agents. These are used to limit the post-prandial hyperglycemia. Like sulfonylureas, these drugs also act by blocking K channels in the b-cells of pancreas that lead to depolarization and release of insulin. It can be used in patients with renal impairment and in the elderly. 