Anatomy of Pump Systems in the Heart
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Questions and Answers

Where is the apex of the heart located?

  • In the mediastinum
  • On the posterior surface of the heart
  • Pointing inferiorly toward the left hip (correct)
  • About 9 cm wide pointing toward the right shoulder

    • Which chamber of the heart is described as the thickest and most muscular?

  • Left atrium
  • Right atrium
  • Right ventricle
  • Left ventricle (correct)

    • What is the function of the pericardial fluid?

  • Protects the lungs
  • Pumps blood to the lungs
  • Reduces friction as the heart beats (correct)
  • Circulates oxygenated blood

    • Which chamber pumps deoxygenated blood to the lungs for oxygenation?

    <p>Right atrium</p> Signup and view all the answers

    Where does the left ventricle pump blood into?

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

    What is the main function of the systemic pump system?

    <p>To pump oxygenated blood to the rest of the body</p> Signup and view all the answers

    What is located in the mediastinum?

    <p>Pericardial cavity</p> Signup and view all the answers

    What is pumped by the pulmonary pump system?

    <p>Oxygenated blood to lungs for oxygenation.</p> Signup and view all the answers

    What is the function of the AV valves in the heart?

    <p>Prevent backflow into the atria when the ventricles contract</p> Signup and view all the answers

    Which valve ensures that blood flows from the left ventricle into the aorta and prevents backflow?

    <p>Aortic Semilunar valve</p> Signup and view all the answers

    What is the function of the Chordae Tendinae in the heart?

    <p>Prevent AV valves from protruding from ventricular walls</p> Signup and view all the answers

    Which layer of the heart consists of cardiac muscle tissue?

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

    What is the function of the Serous Pericardium?

    <p>Lubricate to reduce friction between layers</p> Signup and view all the answers

    Which valve allows blood to flow into the pulmonary trunk when the right ventricle contracts?

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

    What anchors the AV valves to papillary muscles in the heart?

    <p>Chordae Tendinae</p> Signup and view all the answers

    Which layer of the heart covers the heart valves and lines the chambers?

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

    What is the major function of Fibrous Pericardium in protecting the heart?

    <p>Preventing overfilling with blood</p> Signup and view all the answers

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