Cardiac Physiology Quiz

Contractility increases with preload (correct)

Contractility decreases with preload

Preload increases contractility

Preload decreases contractility

To increase the pressure in the aorta

To decrease the pressure in the ventricles

To increase the force of contraction

To decrease the force of contraction (correct)

The greater the stretch of the heart muscles, the less forceful the contraction

The greater the stretch of the heart muscles, the more forceful the contraction (correct)

The less the stretch of the heart muscles, the more forceful the contraction

The less the stretch of the heart muscles, the less forceful the contraction