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: Pathology
Most common site of aery of atherosclerosis ? 
Select and explain. 
A. LAD, B. RCA, C. LCX, D. Diagonal branch of LAD
A: LAD
Answer: A: LAD 
Explanation: Ans. is 'a' i.e., LADo Left anterior descending (LAD) aery is the most commonly involved aery.