The Cardiovascular System: Heart Anatomy BMS QUIZ
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Questions and Answers

Where is the location of the heart in relation to the vertebral column?

  • Posterior
  • Superior surface of diaphragm
  • Left of the midline
  • Anterior (correct)
  • What is the function of the pericardium in relation to the heart?

  • Works as a coverage
  • Anchors the heart in place (correct)
  • Allows overfilling of the heart
  • Does not protect the heart from external damage
  • Which layer of the heart covers the surface of the heart itself?

  • Myocardium
  • Pericardium
  • Epicardium (correct)
  • Endocardium
  • What is the pathway of blood through the heart (ignoring the lungs)?

    <p>Right atrium → tricuspid valve → right ventricle</p> Signup and view all the answers

    Which structure separates the parietal layer from the visceral layer in the pericardial cavity?

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

    What is the function of the fibrous skeleton of the heart?

    <p>Creates a structural framework for attachment</p> Signup and view all the answers

    What is the role of pulmonary veins in the cardiovascular system?

    <p>Carry oxygenated blood from lungs to left atrium</p> Signup and view all the answers

    What is the main function of atria in the heart?

    <p>Deliver blood to adjacent ventricles</p> Signup and view all the answers

    Why are the walls of ventricles much thicker and stronger compared to the atria?

    <p>To supply blood to the lungs with little flow resistance</p> Signup and view all the answers

    What is the role of AV valves in the heart?

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

    Where is the aortic semilunar valve located?

    <p>Between the left ventricle and aorta</p> Signup and view all the answers

    What type of muscle is cardiac muscle?

    <p>Striated muscle</p> Signup and view all the answers

    What do intercalated discs do in cardiac muscle cells?

    <p>Anchor cells together and allow free passage of ions</p> Signup and view all the answers

    Why is the myocardium thicker in the left ventricle compared to the right?

    <p>To supply systemic circulation</p> Signup and view all the answers

    Which valve prevents backflow of blood into the ventricles?

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

    What tissue acts as both tendon and insertion in cardiac muscle?

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

    What do chordae tendineae anchor to in papillary muscles of the heart?

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

    Where is the coronary sinus located?

    <p>Posterior aspect of the heart</p> Signup and view all the answers

    Which vein is the largest tributary draining into the coronary sinus?

    <p>Great cardiac vein</p> Signup and view all the answers

    Where does the small cardiac vein empty into?

    <p>Coronary sinus</p> Signup and view all the answers

    Which chamber of the heart has papillary muscles and trabeculae carneae muscles marking its walls?

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

    From where does blood enter the left atrium?

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

    What are the receiving chambers of the heart called?

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

    Which vein originates at the apex of the heart and ascends in the anterior interventricular groove?

    <p>Great cardiac vein</p> Signup and view all the answers

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