Asked by Kayla
                The tricuspid valve is closed:
A. during the rapid filling of the ventricles
B. when the mitral valve is closed
C. while the atria are contracting
D. during the ejection of blood from the ventricles
I think the answer is A but not completely sure.
            
        A. during the rapid filling of the ventricles
B. when the mitral valve is closed
C. while the atria are contracting
D. during the ejection of blood from the ventricles
I think the answer is A but not completely sure.
Answers
                    Answered by
            PsyDAG
            
    How can the blood go from the atriums to the ventricles, if the tricuspid valve is closed? However, I think both B and D are correct. If blood is being ejected from the ventricles, both the mitral valve and the tricuspid valve need to be closed to prevent blood from returning to the atria.
    
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