Which of the following aery is most common to undergo atherosclerotic changes leading to coronary aery disease ?: (A) Right coronary aery, (B) Left anterior descending coronary aery, (C) Left circumflex coronary aery, (D) Left main coronary aery
Answer is B. Left anterior descending coronary aery(40-50%) is most commonly involved in CAD, followed by Right coronary aery (30-40%)then Left Circumflex coronary aery (15-20%).