<prompt> Statins act on which enzyme -Acyl CoAsynthetaseAcyl Co A reductaseHMG CoA SynthetaseHMG CoA reductase  <response>: Ans. is d i.e., HMG CoA reductase Hypolipidemic drugsHMG-CoA reductase inhibitors statins - Lovastatin. Simvastatin, Pravastatin, Atorvastatin, Rosuvastatin.Bile acid sequestrants Resins - cholestyramine, colestipol.Activate lipoprotein lipase fibric acid derivatives - clofibrate, gemfibrozil, bezafibrate, fenofibrate.4.Inhibit lipoly sis and triglyceride synthesis - Nicotinic acid.5,Other - Probueol, Gugulipid, Ezetimibe, Avasimibe, Torcetrapib.o Ezetimibe inhibits intestinal cholesterole absorption.o Avasimibe inhibits enzyme acyl Coenzyme A ; cholesterol acyl transferase-1 ACAT-1 which causes esterification of cholesterol.o Torcetrapib inhibits cholesterol ester triglyceride transport protein - HDL cholesterol. 