The right coronary aery supplies all of the following pas of the conducting system in the hea except:
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),
SA Node
AV Node
AV Bundle
Right Bundle branch