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17 Cards in this Set
- Front
- Back
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Clara Cells
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found in bronchioles
non-ciliated columnar with secretory granules secrete part of surfactant, degrade toxins, act as reserve cells |
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Goblet Cells
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found from trachea to terminal bronchioles
secrete mucus |
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Pseudocolumar Cells
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ciliated cells found from nose to respiratory bronchioles
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When are lungs mature?
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L:S ratio > 2.0
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Where does aspirant go?
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when standing, posterobasal segment of R. lower lobe
when supine, superior segment of R. lower lobe |
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Relation of artery to bronchus?
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RALS
on the right, pulmonary artery is anterior to bronchus on left, pulmonary artery is superior to bronchus |
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At what levels do structures pass through diaphragm?
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T8=IVC
T10=oesophagus T12=aorta, thoracic duct, azygous |
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Causes of neonatal RDS?
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prematurity
maternal DM with high insulin (insulin decreases surfactant synthesis) C-section (denies baby of the of stress/cortisol which increases surfactant synthesis) |
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Causes of Right Shift in O2-HgB curve?
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CADET face right
CO2 Acid/altitude DPG Exercise Temperature |
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CO poisoning
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left shit in O2-HgB curve, decreases O2 binding capacity
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Innervation of lungs (sensory)
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parietal pleura = phrenic (c3,c4,c5) refers to neck/shoulders and by intercostals
visceral pleura = vagus |
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when do you hear fremitus?
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lobar pneumonia
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Paraneoplastic syndromes associated with lung cancer?
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squamous cell = PTHrP
small cell = ACTH, ADH, Eaton Lambert |
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Locations of Lung Cancers
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central = squamous, small S's
peripheral = adenocarcinoma |
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Relation of Lung Cancer with smoking
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all related, but adenocarcinoma the least related
S's |
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What's the difference between small and non-small cell carcinomas?
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for small cells, surgery is useless
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Horner's Symptoms
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ptosis (droopy eyelid)
miosis (pupil constriction) anhidrosis (lack of sweat) |
