<prompt> C wave in JVP is due to-Atrial contractionTricuspid valve bulging into right atriumRight atrial fillingRapid ventricular filling  <response>: Answer is B Tricuspid valve bulging into right atrium The C Wave is a positive wave produced by the bulging of tricuspid valve into the right atrium during right Ventricular isovolumetric systole and by impact of the carotid aery adjacent to the jugular vein. 