Rt Respiratory System II

49 Questions | Total Attempts: 585

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Rt Respiratory System II

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Questions and Answers
  • 1. 
    Channels connecting terminal bronchioles with adjacent alveoli
    • A. 

      Canals of lambert

    • B. 

      Laminar gas flow

    • C. 

      Minimizing resistance

    • D. 

      All of the above

  • 2. 
    Contain canals of lambert
    • A. 

      Terminal bronchioles

    • B. 

      Main stem bronchi

    • C. 

      Lobar bronchi

    • D. 

      Subsegmental bronchi

  • 3. 
    Laminar gas flow and low velocity beyond TB minimized resistance and rapid mixing of gases
    • A. 

      Terminal bronchioles

    • B. 

      Superior portion of Concha

    • C. 

      Segmental bronchi

    • D. 

      Subsegmental bronchi

  • 4. 
    Coats the respiratory tree
    • A. 

      Terminal bronchioles

    • B. 

      Subsegmental bronchi

    • C. 

      Mucous blanket

    • D. 

      Main stem bronchi

  • 5. 
    Approx. 125cc/day secreted by bronchial glands and goblet cells
    • A. 

      Main stem bronchi

    • B. 

      Middle portion of Concha

    • C. 

      Mucous blanket

    • D. 

      Lobar bronchi

  • 6. 
    Prevents excessive amounts of water from moving into and out of the epithelia
    • A. 

      Mucous blanket

    • B. 

      Mucous membrane

    • C. 

      Secretions

    • D. 

      Main stem bronchi

  • 7. 
    Mucociliary escalator has how many functions
    • A. 

      5

    • B. 

      2

    • C. 

      4

    • D. 

      9

  • 8. 
    Keeps the lower respiratory tract sterile
    • A. 

      Mucociliary escalator

    • B. 

      Mucous blanket

    • C. 

      Mucous membrane

    • D. 

      Secretion

  • 9. 
    Prevents mucus accumulation in the lungs
    • A. 

      Mucous membrane

    • B. 

      Mucous blanket

    • C. 

      Main stem bronchi

    • D. 

      Mucociliary escalator

  • 10. 
    Airways from the trachea to the bronchioles consist of how many layers
    • A. 

      5

    • B. 

      9

    • C. 

      3

    • D. 

      1

  • 11. 
    What are the airways from the trachea to the bronchioles
    • A. 

      Inner layer (Mucosa)

    • B. 

      Middle layer (Submucosa)

    • C. 

      Outer layer (Adventitia)

    • D. 

      All of the above

  • 12. 
    A loose fibroelastic connective tissue, lymphoid tissue, and a dense layer of elastic fibers
    • A. 

      Lamina propria

    • B. 

      Capillary network

    • C. 

      Cartilage layer

    • D. 

      Cartilaginous rings

  • 13. 
    Produces the mucous and is primarily composed of many types of specialized epithelial cells that sit on top of the basement membrane
    • A. 

      Inner layer (Mucosa)

    • B. 

      Middle layer (Submucosa)

    • C. 

      Outer layer (Adventitia)

    • D. 

      None of the above

  • 14. 
    Most common epithelial cells in _________ are the pseudo stratified ciliated columnar epithelia
    • A. 

      Middle layer (submucosa)

    • B. 

      Outer layer (adventitia)

    • C. 

      Inner layer (mucosa)

    • D. 

      All of the above

  • 15. 
    Goblet cells in this layer produce some of the mucous in the mucous blanket
    • A. 

      Outer layer (adventitia)

    • B. 

      Inner layer (mucosa)

    • C. 

      Middle layer (submucosa)

    • D. 

      All of the above

  • 16. 
    Within the inner layer of airways from the trachea to the bronchioles, the mucous blanket consist of 
    • A. 

      Gel layer

    • B. 

      Sole layer

    • C. 

      Outer layer (adventitia)

    • D. 

      A and B

  • 17. 
    Top layer that traps foreign particles and is more tenacious than the sol layer
    • A. 

      Gel layer

    • B. 

      Sol layer

    • C. 

      Middle layer (submucosa)

    • D. 

      Outer layer (adventitia)

  • 18. 
    Thinner more fluidic layer that the cilia move within to help propel the gel layer
    • A. 

      Gel layer

    • B. 

      Inner layer (mucosa)

    • C. 

      Outer layer (adventitia)

    • D. 

      Sol layer

  • 19. 
    Contain junctions that play an important role in the maintenance of fluid and electrolyte transport across the mucous membrane.
    • A. 

      Inner layer (mucosa)

    • B. 

      Outer layer (adventitia)

    • C. 

      Middle layer (submucosa)

    • D. 

      None of the above

  • 20. 
    Can lead to mucous transport abnormalities in the Inner Layer (Mucosa)
    • A. 

      Cloride transport

    • B. 

      Cystic fibrosis

    • C. 

      Electrolyte transport

    • D. 

      None of the above

  • 21. 
    Chloride transport in the Inner Layer (Mucosa) leads to 
    • A. 

      Malfunction in cystic fibrosis

    • B. 

      Maintenance of fluidity

    • C. 

      Mucous transport

    • D. 

      None of the above

  • 22. 
    Lamina Propria is located in 
    • A. 

      Outer layer (adventitia)

    • B. 

      Inner layer (mucosa)

    • C. 

      Middle layer (submucosa)

    • D. 

      All of the above

  • 23. 
    Exocrine glands that sit on the basement membrane and extend down beyond the lamina propria into the submucosa
    • A. 

      Smooth muscle layer

    • B. 

      Submucosal bronchial glands

    • C. 

      Exocrine glands

    • D. 

      All of the above

  • 24. 
    Contribute the most to mucous production
    • A. 

      Smooth muscle layer

    • B. 

      Submucosal bronchial glands

    • C. 

      Parasympathetic nerve fibers

    • D. 

      None of the above

  • 25. 
    Submucosal bronchial glands are located in 
    • A. 

      Inner layer (mucosa)

    • B. 

      Middle layer (submucosa)

    • C. 

      Outer layer (adventitia)

    • D. 

      All of the above