Anatomy 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 💡 Explanation All of the following are true about coronary artery except - ✓ Correct Answer: C. Usually 3 obtuse marginal arteries arise from left coronary artery