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.
Circulation: Heart Valves and Heart Sounds;  Heart Defects
Closure of AV valves
Closure of Aortic and pulmonic valves
Opening of AV valves
Opening of Aortic and pulmonic valves
Closure of Aortic and pulmonic valves