Select the correct statement about cardiac output. (A) Decreased venous return will result in increased end diastolic volume.(B)
Stroke volume increases if end diastolic volume decreases. (C) If a semilunar valve were partially obstructed, the end systolic volume in the affected ventricle would be decreased. (D) A slow heart rate increases end diastolic volume, stroke volume, and force of contraction.
The cardiac output is the blood amount that heart pumps in a minute. In other words, the amount of blood pump by the left ventricle of the heart in a 1 contraction is termed as the stroke volume. The stroke volume and the heart rate determine the cardiac output. Slow heart rate increases the end-diastolic volume, stroke volume, and force of contraction.
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