All of the following are true about coronary artery except -: (A) Right coronary artery lies in right anterior coronary sulcus, (B) Left anterior descending artery is a branch of left coronary artery, (C) Usually 3 obtuse marginal arteries arise from left coronary artery, (D) In 85% cases posterior descending interventricular artery arises from right coronary artery
Answer is C. From the left coronary artery, only a single obtuse marginal artery arises.