Chapter 15

Instructions
Ch. 15

This assessment is worth 100 points.

  1. The respiratory tract is lined throughout with ciliated, pseudostratified epithelial cells.   (10 points)

      
      

  2. The respiratory center of higher animals is located in the medulla of the brain.   (10 points)

      
      

  3. When nerve impulses pass to the diaphragm, the diaphragm relaxes and exhalation occurs.   (10 points)

      
      

  4. The movement of oxygen and carbon dioxide between the lungs and the blood depends on diffusion gradients.   (10 points)

      
      

  5. All blood carried away from the heart is high in oxygen concentration and low in carbon dioxide concentration.   (10 points)

      
      

  6. In Figure 15.1, the bronchi are located at   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  7. The vocal cords are found in the   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  8. Which association is NOT correct?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  9. If a lung is punctured in a car accident, that lobe fails to inflate even though there is no obstruction of the air passageway to that lobe. Why?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  10. Hemoglobin is useful because it   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  



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