Biomed 100 Practice Quiz
Chapter 16, Spring 2007
Quizzes | Home
Multiple Choice - One Correct Choice Per Question
Roll mouse over choices to find best answer (it will "light up").
 Please do not click on any of the choices.
If you accidentally click, use your Backspace key or Back button to get back here.
  1. Air-filled spaces in the frontal bone, maxillae, and other bones, are the...
    1. glottis
    2. alveoli
    3. nasopharynx
    4. nasal cavity
    5. paranasal sinuses
      6.

  2. Vocal sounds are initially produced in the _?_, but resonance in the _?_ adds volume and other qualities.
    1. mouth / lungs
    2. lungs / trachea and larynx
    3. paranasal sinuses / pharynx
    4. pharynx / trachea and larynx
    5. larynx / nose and paranasal sinuses
      6.

  3. Of the structures listed below, the _?_ contain(s) the least amount of cartilage.
    1. larynx
    2. alveoli
      3.
    3. bronchi
    4. trachea

  4. Which one of the following is not a factor that greatly enhances gas exchange in the alveoli?
    1. the very thin walls of the alveoli
    2. the constant "sweeping" motion of cilia
      3.
    3. the extensive networks of pulmonary capillaries surrounding the alveoli.

  5. During _?_, the pressure in the thoracic cavity is less than atmospheric pressure.
    1. inspiration
      2.
    2. expiration
    3. all parts of the respiratory cycle
    4. no part of the respiratory cycle

  6. Contraction of the _?_ normally lead to inspiration.
    1. diaphragm and internal intercostal muscles
    2. diaphragm and external intercostal muscles
      3.
    3. internal intercostal and external intercostal muscles
    4. intercostal and abdominal wall muscles

  7. Elastic tissues in the lungs and chest wall are most directly involved in...
    1. inspiration
    2. forced expiration
    3. passive (unforced) expiration
      4.
    4. both A. and B.
    5. both A. and C.

  8. The respiratory centers in the brainstem that control breathing respond most strongly to changes in the concentration of _?_ in body fluids.
    1. oxygen
    2. bicarbonate
    3. amino groups
    4. carbon dioxide
      5.

  9. Given the following key:
    1 = partial pressure of oxygen in atmosphere
    2 = partial pressure of nitrogen in atmosphere
    3 = partial pressure of carbon dioxide in atmosphere
    Which one of the following is in the correct sequence, from greatest partial pressure (1) to least partial pressure (3)?
    1. 1-2-3
    2. 1-3-2
    3. 2-1-3
      4.
    4. 2-3-1
    5. 3-1-2

  10. Air inhaled through the nose becomes _?_ compared to air inhaled through the mouth.
    1. cooler and drier
    2. cooler and more moist
    3. warmer and drier
    4. warmer and more moist
      5.

  11. The _?_ contain(s) several special features oriented toward keeping solid objects from entering the lower respiratory tract.
    1. pharynx
    2. larynx
      3.
    3. trachea
    4. bronchi