jean robert
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Which of the following structures in the lung is likely to be affected the most in a patient who smoked a pack and a half of cigarettes per day for 30 years and developed centrilobular emphysema?
a) Alveolar sac
b) Terminal bronchiole
c) Alveolar duct
d) Respiratory bronchiole
e) Capillary
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| GoodGirl
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C
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| jean robert
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| GoodGirl
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Than respiratory bronchioles, D .
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| jean robert
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| jean robert
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Centrilobular Emphysema results from damage to the central or proximal part of lung acinus, with relative sparing of distal acinar strutures( ie alveolar ducts and alveolar sac)
With Panacinar Emphysema, the lung lobules is involved from respiratory bronchiole to terminal alveoli.
In Paraseptal emphysema, distal acinus is involved.
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| GoodGirl
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I looked it up in RR : '' Air trapped behind the collapsed distal terminal bronchioles distends the RBs. ''
Thanks for posting these questions, Jean.
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| GoodGirl
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 You got me !
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| new_n_lost
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d) Respiratory bronchiole
Goljan 313 pg Figure 16-16 Excellent choice for review and a detailed answer.
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| Ig F
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Centrilobular Emphysema involves Respiratory bronchioles...
Panlobular/Panacinar Emphysema involves respiratory bronchiole to terminal alveoli.
answer is D...
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