Coronary Circulation and Blood Flow Quiz
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Questions and Answers

Where does the entire blood supply to the myocardium derive from?

  • Coronary arteries (correct)
  • Carotid arteries
  • Pulmonary arteries
  • Femoral arteries

    • Which artery generally supplies the right ventricle and atrium?

  • Left anterior descending artery
  • Right coronary artery (correct)
  • Pulmonary artery
  • Left circumflex artery

    • What is the function of the left anterior descending artery?

  • Descends to the apex of the heart and supplies the interventricular septum (correct)
  • Supplies the left atrium and ventricle
  • Divides into capillary networks
  • Sends branches to the right atrium and ventricle

    • How many capillaries per square millimeter does histological sections of the human heart have?

    <p>~3000</p> Signup and view all the answers

    From where do the coronary arteries originate?

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

    What is the role of the left circumflex artery?

    <p>Supplies the left atrium and ventricle</p> Signup and view all the answers

    Which artery generally supplies the left ventricle and atrium?

    <p>Left circumflex artery</p> Signup and view all the answers

    What is the approximate capillary density in histological sections of skeletal muscle?

    <p>~2000 per square millimeter</p> Signup and view all the answers

    Where does the left anterior descending artery descend to?

    <p>The apex of the heart</p> Signup and view all the answers

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