Which Valve Prevents the Backflow of Blood into the Left

question 31

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 these answers is correct.

---

Definitions:

Physical Examination

A clinical assessment where a medical professional evaluates the body of a patient for any potential medical conditions.

Clinic Checkup

A routine medical examination at a clinic to assess general health or monitor an existing condition.

Ortolani Sign

A clinical finding in the physical examination of infants, indicating developmental dysplasia of the hip.

Moro Reflex

An involuntary response seen in newborns, which is triggered by a sudden loss of support, making the baby startle, fling arms out sideways, and then quickly pull them back.