The right coronary aery supplies all of the following pas of the conducting system in the hea except:: (A) SA Node, (B) AV Node, (C) AV Bundle, (D) Right Bundle branch
Answer is D. Answer is D (Right bundle branch) Right bundle is supplied by the Left coronary aery. Right coronary aery supplies the SA node (in 65% cases), AV node, AV bundle or Bundle of His and pa of left bundle branch(LBB) Left cronoary aery supplies the right bundle branch (RBB, pa of LBB and sometimes the SA node (in 35% cases),