<prompt> Right border of heart is formed by all except -Right atriumRightventricleSVCIVC  <response>: Ans. is b i.e., Right ventricle o Dont get confused with above question. Most probably this question has been framed by a radiologist. Read following factsi Right border of heart is formed by anatomically - Right atrium.ii Right border of heart is formed by on X-ray PA view - Right atrium majority, SVC, I VC. o Similiarly-i Left border of heart is formed by anatomically - Left atrium mainly, left auricle.ii Left border of heart is formed by on X-ray PA view - Aortic knucle, Pulmonary trunk, left auricle, left atrium, left ventricle. 