This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
C wave in JVP indicates 
Select and explain. 
A. Aerial contraction, B. Bulging of tricuspid Valve, C. Ventricle systole, D. Rapid ventricular filling
B: Bulging of tricuspid Valve
Answer: B: Bulging of tricuspid Valve 
Explanation: Ref Harrison 19 th ed pg 1485 The ' c' wave in JVP is a positive wave producd by the bulging of tricuspid Valve into the right atruat during right ventricular isovolumetric systils and by the impact of the carotid aery adjacent to the jugular vein.