This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Most impoant in aetiology of coronary aery disease is: March 2005 
Select and explain. 
A. VLDL, B. LDL, C. HDL, D. All of the above
B: LDL
Answer: B: LDL 
Explanation: Ans. B: LDL Epidemiology has shown that elevated levels of cholesterol play a key role in the development of atherosclerotic disease. In paicular, low density lipoprotein (LDL) cholesterol has been strongly associated with coronary hea disease (CHD) risk. Lowering LDL cholesterol reduces the incidence of atherosclerotic disease, irrespective of how the reduction is achieved.