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': 'Which of the following is not supplied by the right coronary aery? \nSelect and explain. \nA. SA node, B. AV node, C. AV bundle, D. Right bundle branch', 'role': 'user'}, {'content': "Answer: D \nExplanation: Right coronary aery supplies whole of the conducting system of the hea except a pa of the left branch of the AV bundle. REF. BD CHAURASIA'S HUMAN ANATOMY UPPER LIMB THORAX-VOLUME-1 SIXTH EDITION, Page no-263", 'role': 'assistant'}]