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
[{'content': 'Not a component of JVP? \nSelect and explain. \nA. 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', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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.', 'role': 'assistant'}]