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
Which of the following is not supplied by the right coronary aery? 
Select and explain. 
A. SA node, B. AV node, C. AV bundle, D. Right bundle branch
D: Right bundle branch
Answer: D: Right bundle branch 
Explanation: 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