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: Anatomy
Anterior interventricular artery is a branch of - 
Select and explain. 
A. Right coronary artery, B. Left coronary artery, C. Circumflex artery, D. Left anterior descending artery
B: Left coronary artery
Answer: B: Left coronary artery 
Explanation: Branches of Right Coronary artery are
-        Acute marginal
-        Posterior descending/interventricular
-        Infundibular
-        Nodal branch (in 65%)
-        Atrial, anterior and posterior ventricular
 Branches of Left coronary artery are
-        Anterior descending/interventricular
-        Circumflex
-        Left diagonal
-        Obtuse marginal
-        Left conus
-        Nodal (in 35%)
-        Atrial, anterior and posterior ventricular