This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heart, Circulation, and Blood, Subject name: Physiology
Not a component of JVP? 
Select and explain. 
A. A wave bigger than V wave, B. C wave is called as Dicrotic notch, C. X wave is seen ventricular systole, D. Y descent in ventricular diastole
B: C wave is called as Dicrotic notch
Answer: B: C wave is called as Dicrotic notch 
Explanation: Ans. B C wave is called as dicrotic notchRef: Ganong, 25th ed. pg. 542A waveAtrial systoleC waveBulge of tricuspid valve into right atrium during isovolumetric contractionX descentAtrial relaxationV waveBeginning of isovolumetric relaxationV descentVentricular relaxationDicrotic Notch is seen in Pulse recording.