Dicrotic notch corresponds to?
Ans. (b) Closure of aortic and pulmonic valvesRef.: Ganottg 25th ed. 1540The Dicrotic notch is small oscillations on the falling phase of the pulse wave caused by vibrations set up when the aortic valve snaps shut.
Closure of AV valves
Closure of Aortic and pulmonic valves
Opening of AV valves
Opening of Aortic and pulmonic valves
Circulation: Heart Valves and Heart Sounds;  Heart Defects