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21 Cards in this Set
- Front
- Back
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where does pseudostratified ciliated columnar cells extend to?
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respiratory bronchiole
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where do goblet cells extend to
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bronchi
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what type cell are type I pneumocytes
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sqamous
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what type cell are type II pneumocytes
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cuboidal, clustered
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what is surfactant?
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dipalmitoyl phosphatidylcholine
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what ratio indicates fetal lung maturity?
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lecithin/sphingomyelin > 2
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what type of cell are Clara cells
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columnar, unciliated
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role of Clara cells
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secretre component of surfactant, degrade toxins, act as reserve cells
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gas exchange barrier
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1) surfactant 2) cytoplasm of type I alveolar 3) fused BL 4) cytoplasm of endothelial cell
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each bronchopulmonary segment has what?
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segmental bronchus + 2 arteries + veins/lymphatics at borders
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aspiration while upright goes to
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lower portion of RLL
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aspiration while supine goes to
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superior portion of RLL
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relation of pulmonary artery to bronchus
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RALS: Right anterior, Left superior
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what level is the horizontal fissure at?
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4th rib
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what level does the oblique fissue begin superiorly
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T2
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what lobes does the horizonal fissue divide?
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superior + middle
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structures passing through diaphragm at T8
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IVC
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structures passing through diaphragm at T10
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vagus, esophagus
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structures passing through diaphragm at T12
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aorta, thoracic duct, azygous v
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accessory mm of inspiration
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SCM, scalene, ext intercostals
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accessory mm of expiration
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abs, int intercostals
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