Chapter 17, Problem 13CYR

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. Systole is the contraction portion of the cardiac cycle and diastole is the relaxation portion.

b. Atrial systole is responsible for ejecting most of the blood into the ventricles during the ventricular filling phase of the cardiac cycle.

c. The amount of blood in the ventricles at the end of the ventricular filling phase is the end-systolic volume.

d. The ventricular ejection phase generally correlates with the S-T segment and the T wave on the ECG.