At the end of isometric relaxation phase: (A) Atrioventricular valves open, (B) Atrioventricular valves close, (C) Corresponds to peak of "C" wave in JVP, (D) Corresponds to T wave in ECG
Answer is A. Ans. (a) Atrioventricular valves openRef: Ganong, 25th ed/p.539Isovolumetric relaxation ends by opening of Atrioventricular valves