Anatomy - Thorax

15 Questions  I  By Dcw2013
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  • 1. 
    Thoracic compartment that contains the heart, esophagus, trachea, major nerves, and major systemic blood vessels.
    • A. 

      Left pleural cavity

    • B. 

      Right pleural cavity

    • C. 

      Mediastinum


  • 2. 
    The _________ nerves, which originate in the neck, also pass through the mediastinum to penetrate and supply the __________.

  • 3. 
    The musculotendinous diaphragm seals the inferior thoracic aperture. 
    • A. 

      True

    • B. 

      False


  • 4. 
    As the diaphragm contracts, the height of the domes increases and the volume of the thorax decreases.
    • A. 

      True

    • B. 

      False


  • 5. 
    The ___________ and __________ penetrate the diaphragm; the _________ passes posterior to the diaphragm.

  • 6. 
    The pericardium and heart constitute the 
    • A. 

      Posterior mediastinum

    • B. 

      Middle mediastinum

    • C. 

      Anterior mediastinum

    • D. 

      Superior mediastinum


  • 7. 
    The pericardium encloses the pericardial cavity surrounding the heart. 
    • A. 

      True

    • B. 

      False


  • 8. 
    Each _______ is completely lined by a mesothelial membrane called the pleura.

  • 9. 
    During development, the lungs grow out of the mediastinum, becoming surrounded by the pleural cavities.
    • A. 

      True

    • B. 

      False


  • 10. 
    The ___________________, which is the largest and clinically most important recess, lies inferiorly between the thoracic wall and diaphragm.

  • 11. 
    The jugular notch is located at the 
    • A. 

      Fourth intercostal space

    • B. 

      Articulation between the manubrium of sternum and the body of sternum

    • C. 

      Superior extent of the manubrium of the sternum


  • 12. 
    At the TIV/V level
    • A. 

      The costal cartilage of rib II articulates with the sternum

    • B. 

      The trachea bifurcates

    • C. 

      The superior mediastinum is separated from the inferior mediastinum

    • D. 

      All of the above


  • 13. 
    On each side, the internal jugular and subclavian veins join to form the brachiocephalic veins behind the sternal ends of the clavicles near the sternoclavicular joints.
    • A. 

      True

    • B. 

      False


  • 14. 
    The brachiocephalic veins unite to form the inferior vena cava behind the lower border of the costal cartilage of the right first rib.
    • A. 

      True

    • B. 

      False


  • 15. 
    The ___________ begins and ends at the transverse plane between the sternal angle anteriorly and vertebral level TIV/V posteriorly.

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