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Unit 14: Respiratory System

Quiz by Amanda Wood

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20 questions
Show answers
  • Q1
    attraction of the moist alveolar walls to each other reducing the size of the alveoli
    Alveolar surface tension forces
    30s
  • Q2
    tiny sacs of lung tissue specialized for the movement of gases between air and blood
    Alveoli
    30s
  • Q3
    the pressure exerted by atoms and molecules in the atmosphere surrounding Earth, resulting from collisions of these particles with objects
    Atmospheric pressure
    30s
  • Q4
    the main airways that reach into each lung
    Bronchi
    30s
  • Q5
    reduction in the diameter of the airway by parasympathetic stimulation. (occurs during allergic reactions, in response to histamine released by mast cells and basophils.)
    Bronchoconstriction
    30s
  • Q6
    increase in the diameter of a bronchus or bronchiole
    Bronchodilation
    30s
  • Q7
    all respiratory passageways leading to and including the terminal bronchioles
    Conducting zone
    30s
  • Q8
    cells responsible for the production of mucus in the upper respiratory tract
    Goblet cells
    30s
  • Q9
    pressure within the pleural cavity
    Intrapleural pressure
    30s
  • Q10
    pressure within the alveoli of the lungs
    Intrapulmonary pressure
    30s
  • Q11
    the elasticity of the lungs
    Lung compliance
    30s
  • Q12
    the ability of distended lung tissue to return to its resting state; required for normal expiration
    Lung recoil
    30s
  • Q13
    defense mechanism involving ciliary action and the flow of mucus to rid the respiratory tract of particulate matter and pathogens
    Mucociliary escalator
    30s
  • Q14
    refers to partial pressure of carbon dioxide in a quantity of air
    PCO2
    30s
  • Q15
    general term for cells in the respiratory system
    Pneumocytes
    30s

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