This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'Anterior interventricular aery is a branch of \nSelect and explain. \nA. Right coronary aery, B. Left coronary aery, C. Circumflex aery, D. Left anterior descending aery', 'role': 'user'}, {'content': "Answer: B \nExplanation: LEFT CORONARY AERY It is larger than the right coronary aery.It arises from the left posterior aoic sinus. Branches A.Large branches 1.Anterior interventricular 2.Branches to the diaphragmatic surface of the left ventricle,including a large diagonal branch. B.Small branches 1.Left atrial 2.Pulmonary 3.Terminal REF.B D Chaurasia's human anatomy vol.1.fifth edition BD CHAURASIA'S HUMAN ANATOMY.VOL.1.FIFTH EDITION.PAGE NO 252", 'role': 'assistant'}]