Anatomy Thorax 5f9493a7 The following statements are true regarding the SA node except A Is located at the right border of the ascending aoa B It contains specilized nodal cardiac muscle C It is supplied by the atrial branches of the right coronary aery D It initiates cardiac conduction High-Yield Explanation SA Node is situated in the upper pa of sulcus terminalis,which is apa of Right atrium. BD CHAURASIA'S HUMAN ANATOMY,VOLUME 1,6TH EDITION,PAGE NO:254