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Discussion

Select the correct statement about the Heart Valves.

  • A.Aortic and pulmonary valves control the flow of blood into the heart.
  • B.The av valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.
  • C.The tricuspid valve divides the left atrium from the left ventricle.
  • D.The mitral valve separates the right atrium from the right ventricle.

Answer: B

The correct statement is that the atrioventricular valves are supported by the chordae tendineae, which stop them turning inside out when the ventricles contract.

The tricuspid valve lies between the right atrium and right ventricle and the mitral between the left atrium and left ventricle - the reverse of what two of the other options say.

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