Which Valve Prevents the Backflow of Blood into the Left

question 71

Multiple Choice

Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?

• A) Left atrioventricular valve
• B) Aortic semilunar valve
• C) Right atrioventricular valve
• D) Pulmonary semilunar valve
• E) None of the choices is correct.

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Definitions:

Susceptibility

The likelihood or predisposition of an individual or group to be affected or influenced by a particular condition or disease.

Serious Illness

A health condition that poses a significant risk to an individual’s well-being, often requiring extensive medical treatment or hospitalization.

Health Benefits

The positive effects on physical and/or mental health that result from a particular action or activity, such as exercise or a healthy diet.

Moderate Exercise

Physical activity that is not too strenuous but sufficiently intense to improve cardiovascular health, endurance, and overall fitness.