Preload Quiz

The volume of blood in the ventricles at the end of diastole

The amount of blood ejected from the ventricles per beat

The amount of blood coming into the heart from superior and inferior vena cava (correct)

The volume of blood in the ventricles at the end of systole

Increases the strength of ventricular contraction (correct)

Increases the heart rate

Has no effect on ventricular contraction

Decreases the strength of ventricular contraction

Preload decreases the tension developed in the muscle

Preload increases the tension developed in the muscle (correct)

Preload has no effect on tension developed in the muscle

Preload alters the heart rate