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
Answer is A. 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