Heart Valves Anatomy
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Questions and Answers

What is the function of heart valves?

  • Prevent blood from entering the heart chambers
  • Act as one-way inlets and outlets for blood (correct)
  • Allow blood flow in both directions
  • Regulate heart rate
  • What are heart valves composed of?

  • Epithelial cells
  • Nerve cells
  • Muscle tissue
  • Connective tissue and endocardium (correct)
  • How many leaflets (cusps) do valves typically incorporate?

  • Two or three (correct)
  • Five
  • One
  • Four
  • Where are atrioventricular valves located?

    <p>Between atria and ventricle from both sides of the heart</p> Signup and view all the answers

    What produces the first heart sound (lub)?

    <p>Closing of the atrioventricular valves during ventricular contraction</p> Signup and view all the answers

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