'C' wave in JVP is due to-
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.
Atrial contraction
Tricuspid valve bulging into right atrium
Right atrial filling
Rapid ventricular filling