Coverings and Layers of the Heart - Karatina University BSN Quiz
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Questions and Answers

What separates the chambers on the left side of the heart from the chambers on the right side of the heart?

  • Visceral pericardium
  • Interventricular septum (correct)
  • Auricle
  • Pericardial sac

    • Which part of the heart is responsible for expelling blood out of the heart?

  • Endocardium
  • Pericardium
  • Myocardium (correct)
  • Epicardium

    • Which structure covers the outer surface of the heart and is also known as the visceral pericardium?

  • Myocardium
  • Pericardial sac
  • Endocardium
  • Epicardium (correct)

    • What is the function of the atria in the heart?

    <p>Receiving blood</p> Signup and view all the answers

    What is located between the parietal and visceral layers of the pericardium and provides lubrication to reduce friction?

    <p>Serous fluid</p> Signup and view all the answers

    Which part of the heart is composed of a double-layered serous membrane and a tough connective tissue sac?

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

    What is the function of the chordae tendineae in the heart?

    <p>Prevent backflow of blood</p> Signup and view all the answers

    What is the role of the semilunar valves in the heart?

    <p>Prevent backflow from major heart arteries</p> Signup and view all the answers

    Which sound is associated with the closing of the atrioventricular (AV) valves?

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

    What can happen if an incompetent heart valve leads to backflow?

    <p>Increased workload on the heart</p> Signup and view all the answers

    Which valve is located between the left ventricle and aorta?

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

    What happens when a chamber wall contracts in relation to heart valve function?

    <p>Valves open to allow blood flow</p> Signup and view all the answers

    What is the primary function of the cardiovascular system?

    <p>To deliver oxygen and nutrients to all body cells</p> Signup and view all the answers

    Where is the heart located in relation to the lungs and sternum?

    <p>Medial to the lungs and anterior to the sternum</p> Signup and view all the answers

    What is the size of the heart approximately?

    <p>14 cm long; 9 cm wide</p> Signup and view all the answers

    Which part of the heart wall points to the left and terminates at the level of the 5th intercostal space?

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

    What is found between the lungs and behind the sternum?

    <p>Heart location</p> Signup and view all the answers

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