Select the Correct Statement About Cardiac Output

Select the correct statement about cardiac output.

A) Stroke volume increases if end diastolic volume decreases.
B) If a semilunar valve were partially obstructed,the end systolic volume in the affected ventricle would be decreased.
C) A slow heart rate increases end diastolic volume,stroke volume,and force of contraction.
D) Decreased venous return will result in increased end diastolic volume.