Which among the following is correct during each cardiac cycle ?

Options

A. The volume·of blood pumped out by the Rt and Lt ventricles is same
B. The volume of blood pumped out by the Rt and Lt ventricles is different
C. The volume of blood received by each atrium is different
D. The volume of blood received by the aorta and pulmonary artery is different

Answer

a

Explanation

The author has not taken into consideration the fact that right atrium receives venous blood from all parts of the body except lungs. The venous blood of lungs drains into the left atrium. Had this fact been taken into consideration, choices (b), (c) & (d) would have been true