Anatomy of the Heart: Blood Flow and Parts


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question 1 of 3

Which valve prevents backflow into the right atrium when the ventricles contract?

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1. You are comparing audio recordings of the heartbeats of three different patients. In Patient Three, you notice that the second thump of the heartbeat sounds much weaker and fainter. You would suspect that this patient's heart issue is associated with _____.

2. Which chamber of the heart receives blood from the lungs?

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About This Quiz & Worksheet

The closing of the semilunar valves causes the 'dub' sound doctors observe while using a stethoscope. This quiz and corresponding worksheet will test you on your understanding of the heart chambers and valves.

Quiz & Worksheet Goals

Use these assessment tools to access your knowledge of:

  • The left and right atrium
  • The left and right ventricle
  • The semilunar valve
  • The pulmonary valve
  • The mitral valve
  • The bicuspid valve
  • The tricuspid valve

Skills Practiced

This worksheet and quiz will allow you to practice the following skills:

  • Distinguishing differences- compare the right atrium to the left atrium of the heart
  • Information recall- access your knowledge of the features of the heart
  • Knowledge application-use your knowledge to answer questions about the heart's valves and atria

Additional Learning

To learn more about how the heart works, review the accompanying lesson on the Anatomy of the Heart. This lesson covers the following objectives:

  • Understand the role of the 5 heart valves
  • Identify the effect of the closing of the semilunar valve
  • Define the heart chamber receiving blood from the lungs
  • Identify which valve opens when the left ventricle contracts
  • Identify the chamber that blood travels through when returning to the body