Histo- Respiratory.txt

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  1. Airways conduct gases to and from ________ to _________.
    alveoli; external environment
  2. The _________ protects the entrance of the trachea from ___________; it also contains ________.
    larynx; matter from the pharynx; elastic vocal cords
  3. What are the 2 zones of the lower airways?
    conducting zone, respiratory zone
  4. The conducting zone is from the ______ to the _______.
    trachea; terminal bronchioles
  5. Gas exchange occurs in the ___________ zone.
  6. The respiratory zone extends from the ____________ to the ___________.
    respiratory bronchioles; alveolar saccules
  7. 4 functions of conducting airways?
    conducting air in and out of the lungs, clearance of inhales foreign matter, warms and moistens inhaled air, vocalization
  8. The nasal mucosa is made up of __________, __________ epithelium and loose connective tissue called ____________.
    tall, pseudostratified columnar, ciliated; lamina propria
  9. The lamina propria of the nasal mucosa contains... (3)
    serous glands, mucous glands, vasculature
  10. The olfactory epithelium is much _______ than the nasal epithelium; it is ___________ with a __________.
    taller; pseudostratified; apical ciliary knob
  11. The olfactory epithelium does not contain __________.
    goblet cells (mucous glands)
  12. The vomeronasal organ is a ___________ organ that projects out of the __________.
    C-shaped; nasal septum
  13. The larynx is lined by _______________ epithelium, which transitions to _____________ at the proximal end of the trachea.
    stratified squamous; respiratory
  14. The trachea has elastic walls, strengthened by...
    cartilaginous C-shaped open rings
  15. The walls of the bronchi that branch from the trachea contain ________ and _________; these branch to _________, which are made of _______.
    cartilage; smooth muscle; prominent smooth muscle
  16. The smallest airway in which no gas exchange occurs are __________, which branch from the __________.
    terminal bronchioles; bronchioles
  17. The conducting zone is lined by _________ epithelium
  18. The depth of the ____________ in the conducting zone is very important in mucociliary clearance because if it is too thick,...
    serous layer; cilia cannot reach the mucous to push particulates in the mucous
  19. During mucociliary clearance, cilia beat in the ___________ to propel mucous up into the __________.
    serous layer; pharynx
  20. The trachea is lined by _________ epithelial cells with _______.
    tell pseudostratified coulumnar; cilia
  21. In the trachea, under the lamina propria, the submucosa contain __________.
    seromucous glands
  22. The submucosa of the trachea merges with the characteristic __________.
    C-shaped cartilage
  23. The bronchi are lined by ____________ epithelial cells with _______, containing ________ and __________.
    pseudostratified coulumnar; cilia; goblet cells; serous cells
  24. In the bronchi, there is a layer of ________ below the lamina propia; the cartilage is composed of ___________.
    spiral smooth muscle; flattened interconnected plates
  25. The bronchioles are lined by _____________ epithelial cells with ______.
    columnar to cuboidal; cilia
  26. The submucosa below the lamina propria of the bronchioles is made of ______________ and no _____________.
    prominent smooth muscle bands and no submucosal glands
  27. The bronchioles do NOT contain ___________.
  28. The conducting zone ends with _________, and the respiratory zone ends at _________.
    terminal bronchioles; terminal alveolar saccules
  29. The respiratory bronchioles are lined by __________, ___________ epithelial cells.
    ciliated, cuboidal
  30. In the respiratory bronchioles, there is minimal _________ and __________, and there is NO ________ in the epithelium.
    lamina propria; submucosa; goblet cells
  31. In the epithelium of alveolar ducts, ____________ predominate.
    clara cells
  32. The opening of alveolar sacs and alveolar in the alveolar ducts are visible as...
    small rings of smooth muscle, collagen, and elastin fibers
  33. Saccules composed of thin-walled, open-ended, hollow sacs continuous with alveolar ducts.
  34. Most of the alveolar lining consists of a single layer of...
    thin, flat alveolar type I cells
  35. There are small numbers of ____________ among AT I cells lining the alveoli; these cells synthesize _________ and divide to replace damaged __________.
    alveolar type II; pulmonary surfactant; AT I cells
  36. At the blood interface of the alveoli, the ______ underlies the very thin interstitium.
    capillary endothelium
  37. Alveolar type I cells are _________ epithelial cells that primarily serve as a ____________.
    squamous; thin gas exchange barrier
  38. Alveolar type II cells are ________ epithelial cells that project into the ______ and contain large _______ that produce ________.
    rounded; alveoli; vacuoles; surfactant phospholipids and proteins
  39. Alveolar macrophages contain prominent _________ that phagocytize _______ and _________.
    lysozomes; particulates; bacteria
  40. The visceral pleura of the lungs is lined by ____________ with a thick underlying _________, which extends into the parenchyma as _______.
    flattened mesothelial; connective tissue layer; fibrous septa.
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Histo- Respiratory.txt
2014-11-11 21:10:34
respiratory histo

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