Which of the following accompanies the anterior interventricular artery?: (A) Great cardiac vein, (B) Middle cardiac vein, (C) Small cardiac vein, (D) Right marginal vein
Answer is A. In Coronary sulcus
-        Great cardiac vein, small cardiac vein, coronary sinus, right coronary artery, left circumflex artery
 In anterior interventricular sulcus
-        Great cardiac vein, left anterior descending artery
 In posterior interventricular sulcus
-        Middle cardiac vein, posterior interventricular branch of right coronary artery