385.Which of the following conditions predisposes to lung cancer by causing squamous metaplasia of bronchial epithelium?

 ABronchiectasis
B.     Bronchial asthma
C.Chronic bronchitis
D.     Bronchial carcinoid

Ans-C.Chronic Bronchitis
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Anonymous said...

please give ref..

July 1, 2011 at 11:39 PM

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