BMS100 Past Test Questions
Chapter 16, Fall 2008

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1. Normally the paranasal sinuses contain mainly
   1. air
   2. mucus
   3. cilia
   4. bone tissue
   
   
2. The trachea is maintained in an open position by
   1. cartilage
   2. air pressure
   3. smooth muscle tissue
   4. skeletal muscle tissue
   
   
3. The _?_ is/are involved in the production of normal speech sounds.
   1. larynx
   2. paranasal sinuses
   3. both of the above
   4. none of the above
   
   
4. The right and left primary bronchi are most directly connected to the
   1. pharynx
   2. larynx
   3. trachea
   4. alveoli
   
   
5. Features of alveoli include all of the following except...
   1. thin walls
   2. smooth muscle to allow constriction
   3. networks of capillaries surrounding them
   4. air with a higher oxygen pressure than blood
   
   
6. Can the total pressure in the alveoli be less than the total pressure in the atmosphere?
   1. Yes, this is what happens during inspiration.
   2. Yes, this is what happens during expiration.
   3. Yes, this is what happens throughout the respiratory cycle.
   4. No, the total pressure in the alveoli cannot be less than the total pressure in the atmosphere.
   
   
7. Muscles that directly affect the size of the thoracic (chest) cavity are
   1. trapezius and teres major
   2. the diaphragm and the intercostal muscles
   3. pectoralis major and the anterior deltoid
   4. latissimus dorsi and the posterior deltoid
   
   
8. The elastic tissues in the lungs are directly responsible for
   1. inspiration while a person is physically at rest
   2. expiration while a person is physically at rest
   3. inspiration while a person is physically active
   4. expiration while a person is physically active
   
   
9. The most abundant gas inside the alveoli is
   1. oxygen
   2. nitrogen
   3. carbon dioxide
   4. none of the above
   
   
10. The nasal conchae and other structures within the nasal cavity are oriented toward
    1. increasing the surface area within the nasal cavity
    2. minimizing the surface area within the nasal cavity
    3. removing moisture from inhaled air
    4. both B and C
    
    
11. It is not true that the glottis
    1. is within the larynx
    2. includes the "true vocal cords"
    3. is controlled by voluntary muscles
    4. is always open
    
    
12. Muscle contraction is required for _?_.
    1. inspiration
    2. expiration
    3. both of the above
    4. none of the above
    
    
13. Contraction of the abdominal wall muscles is most closely associated with
    1. inspiration
    2. expiration
    3. bronchoconstriction
    4. closing the glottis
    
    
14. The _?_ is connected to the pharynx.
    1. nose / nasal cavity
    2. mouth / oral cavity
    3. larynx
    4. all of the above
    
    
15. In order for blood to absorb oxygen, the partial pressure of oxygen in the alveoli must be greater than the partial pressure of
    1. oxygen in the atmosphere
    2. nitrogen in the alveoli
    3. carbon dioxide in the alveoli
    4. oxygen in the pulmonary capillaries
    
    
16. Normally air, food, and liquid pass through the
    1. pharynx
    2. larynx
    3. both of the above
    4. none of the above
    
    
17. Which one of the following is normally the least (has the lowest numerical value)?
    1. partial pressure of carbon dioxide in the atmosphere
    2. partial pressure of carbon dioxide in the alveoli
    3. partial pressure of carbon dioxide in the blood
    4. none of the above (they are all equal to each other)