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Which of the following is not true regarding the right atrioventricular valve? a. The cusps provide...

Which of the following is not true regarding the right atrioventricular valve?

a. The cusps provide one-way flow of blood.

b. It is also called the tricuspid valve.

c. It has 3 cusps.

d. The valve closes when the right atrium contracts.

e. It prevents backflow of blood from the right ventricle into the right atrium.

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