Which of the following is an Occupational Respiratory Disorder (ORD) ?

Options

A. Emphysema
B. Asthma
C. Lung fibrosis
D. All of the above

Answer

C

Explanation

Occupational Respiratory Disorders: In certain industries, especially those involving grinding or stonebreaking, so much dust is produced that the defense mechanism of the body cannot fully cope with the situation.
Long exposure can give rise to inhammation leading to fibrosis (proliferation of iibrous tissues) and thus causing serious lung damage. Workers in such industries should wear protective masks.