Anatomy of the Heart
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Questions and Answers

Where is the heart located?

  • In the abdominal cavity, below the liver
  • Between the kidneys in the lower back
  • In the cranial cavity, above the brain
  • In the middle mediastinum, between the lungs (correct)

    • Where is the sternocostal surface of the heart directed?

  • Upward, backward, and to the right
  • Forward, upward, and to the left (correct)
  • Downward and to the right
  • Downward and slightly backward

    • How many chambers does the heart have?

  • Two atria and three ventricles
  • One atrium and one ventricle
  • Two atria and two ventricles (correct)
  • Three atria and two ventricles

    • Where does the diaphragmatic surface of the heart face?

    <p>Downward and slightly backward</p> Signup and view all the answers

    What shape is the base of the heart?

    <p>Quadrilateral</p> Signup and view all the answers

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

    <p>Mitral valve</p> Signup and view all the answers

    Which ventricle has walls that are about three times as thick as those of the right ventricle?

    <p>Left ventricle</p> Signup and view all the answers

    Where does the inferior vena cava return the blood from?

    <p>Lower half of the body</p> Signup and view all the answers

    Which artery carries deoxygenated blood from the right ventricle?

    <p>Pulmonary artery</p> Signup and view all the answers

    Where does the apex of the heart lie?

    <p>Behind the fifth left intercostal space</p> Signup and view all the answers

    Where is the heart located?

    <p>Between the lungs in the middle mediastinum</p> Signup and view all the answers

    What is the size of the heart approximately compared to a clenched fist?

    <p>About the same size as a clenched fist</p> Signup and view all the answers

    How many chambers does the heart have?

    <p>Four</p> Signup and view all the answers

    What subdivides each half of the heart into two cavities?

    <p>Constrictions</p> Signup and view all the answers

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