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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