This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
Drug ezetimibe act by? 
Select and explain. 
A. Enhancing excretion of bile acids, B. Decreasing absorption of cholesterol, C. Inhibiting HMG-CoA, D. Inhibiting intracellular lipase
B: Decreasing absorption of cholesterol
Answer: B: Decreasing absorption of cholesterol 
Explanation: Ezetimibe acts by inhibiting the intestinal absorption of cholesterol and phytosterols. It interferes with a specific CH transpo protein NPC1C1 in the intestinal mucosa and reduces the absorption of both dietary and biliary CH. (REF. ESSENTIALS OF MEDICAL PHARMACOLOGY K.D TRIPATHI-6th edition.Page No-618)