Read the following statements (A-D)
A. Coronary Artery Disease is also called atherosclerosis that affects the vessels that supply blood to the heat muscle.
B. The electrocardiogram (ECG) on graph paper.
During a cardiac cycle , the right ventricle pumps out about 70ml of oxygenated blood which is called stroke volume.
D. The second heart sound is associated with the closure of the semilunar valves.
How many statements from the above is / are incorrect ?

Options

A. Two
B. One
C. Four
D. Three

Answer

B