On autopsy, a 50 year old chronic smoker was found to have stratified squamous epithelium in areas of his trachea and bronchi

on Wednesday, March 9, 2011


Question: USMLE step 1 Mcq 05:

On autopsy, a 50 year old chronic smoker was found to have stratified squamous epithelium in areas of his trachea and bronchi. What is the pathologic process that this can be attributed to:

a) physiologic hyperplasia
b) pathologic hyperplasia
c) hypertrophy
d) metaplasia
e) dysplasia

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