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