CASE STUDY:
34-Year-Old White Male With Progressive Dyspnea and Cough
for About 1 Year

QUESTION ONE

Which of the following are correct statements regarding silica-related disease:

(A) Fibrosis does not progress after removal of the exposure
(B) Three types of tissue reaction have been distinguished: chronic, accelerated, and acute
(C) It is rare for the chest radiograph to show a positive result before 20 years of exposure
(D) A and B
(E) B and C
 
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