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28 Cards in this Set
- Front
- Back
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Teriary (segmental) bronchi
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Are 10 per lung; each penetrates a bronchopulmonary segment of the lung
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Terminal bronchioles
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Teriary bronchi branch to form?
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trachea to terminal bronchioles
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The "brachial tree" runs from?
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Decrease
Cartilage plates |
Cartilage rings ___________ in size to become __________
(structural change in bronchioles) |
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Smooth
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______ muscles replace cartilage
(structural change in brinchioles) |
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Simple cuboital
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Pseudostratified columnar cells change to ____________ (stuctural change in bronchioles)
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True
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True or False; Bronchioles have smooth muscle and no cartilage
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Lobules; each one recieves a terminal bronchiole
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Bronchopulmonary segments are composed of ___________
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Lobules
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Bronchiopulmonary segments; note- terminal and respiratory bronchioles and air sacs belong to a lobule
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Characteristics of lobule
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Elastic connecive tissue
Lymphatic vessel Arteriole Venule Branch a terminal bronchiole; divide to form respiratory bronchioles |
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Respiratory bronchioles
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Derived from terminal bronchioles
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Alveolar ducts (atria)
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Respiratory bronchioles divide to form?
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Alveolus
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A single cup-like strucutre; has an elastic basement membrane
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Alveolar sac
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A number of aveoli (2 or more) that share a common opening
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Alveolar wall composed of: -
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Type I alveolar cells (squamous pulminary epithelial)
-Type II Alveolar (septal)cells -Alveolar macrophages |
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Teriary (segmental) bronchi
|
Are 10 per lung; each penetrates a bronchopulmonary segment of the lung
|
|
|
Terminal bronchioles
|
Teriary bronchi branch to form?
|
|
|
trachea to terminal bronchioles
|
The "brachial tree" runs from?
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|
|
Decrease
Cartilage plates |
Cartilage rings ___________ in size to become __________
(structural change in bronchioles) Decrease Cartilage plates |
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Smooth
|
______ muscles replace cartilage
(structural change in brinchioles) |
|
|
Simple cuboital
|
Pseudostratified columnar cells change to ____________ (stuctural change in bronchioles)
|
|
|
True
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True or False; Bronchioles have smooth muscle and no cartilage
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Lobules; each one recieves a terminal bronchiole
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Bronchopulmonary segments are composed of ___________
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Type I alveolar cells
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Most gaseous exchange occurs here
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Type II alveolar cells
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Secretes alveolar fluid, moistens cells, also secretes surfaactus
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Surfactant
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Reduces surface tention of alvealar fluid and reduces change of alveolar collapse
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Alveolar macrophages (dust cells)
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are wandering phaocytes
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Alveolar-Cappilary (respiratory) membrane -
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Alveolar wall
-Basement membrane of alveolar wall -Basement membrane of capillary wall -Endothelium of cavity wall |
