Cardiac Heart Valves and Function Quiz

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Questions and Answers

Which murmur occurs between the first heart sound (S1) and the second heart sound (S2) during systole?

  • Mitral stenosis
  • Pulmonary regurgitation
  • Aortic stenosis (correct)
  • Tricuspid stenosis

What are the consequences of mitral valve regurgitation?

  • Volume overload in the left atrium and pulmonary circulation (correct)
  • Decreased forward cardiac output
  • Right atrial enlargement
  • Increased forward cardiac output

Which condition causes turbulent blood flow from the ventricles to the atria during systole?

  • Pulmonary stenosis
  • Mitral valve regurgitation (correct)
  • Tricuspid stenosis
  • Aortic regurgitation

What are the clinical features of mitral valve regurgitation?

<p>Fatigue, shortness of breath, and palpitations (A)</p> Signup and view all the answers

When do diastolic murmurs occur?

<p>Between the second heart sound (S2) and the first heart sound (S1) during diastole (C)</p> Signup and view all the answers

What is a characteristic consequence of mitral stenosis?

<p>Left atrial enlargement (B)</p> Signup and view all the answers

Which valve is located between the left atrium and left ventricle?

<p>Mitral (Bicuspid) Valve (A)</p> Signup and view all the answers

What is the function of the tricuspid valve?

<p>Prevents backflow of blood from the right ventricle to the right atrium during ventricular contraction (D)</p> Signup and view all the answers

What defines mitral regurgitation (MR)?

<p>Abnormal leakage of blood from the left ventricle back into the left atrium during ventricular contraction (C)</p> Signup and view all the answers

What causes mitral regurgitation?

<p>Mitral valve prolapse (A)</p> Signup and view all the answers

During which phase does mitral regurgitation occur?

<p>Systole (B)</p> Signup and view all the answers

Which valve is located between the right ventricle and pulmonary artery?

<p>Pulmonary Valve (B)</p> Signup and view all the answers

What is a potential cause of mitral regurgitation?

<p>Aortic stenosis (B)</p> Signup and view all the answers

Where is the aortic valve located?

<p>Between the left ventricle and aorta. (B)</p> Signup and view all the answers

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