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Solution


Q.

Which of the following is an occupational respiratory disorder                 [2018]
1 Anthracis  
2 Silicosis  
3 Botulism  
4 Emphysema  

Ans.

(2)

Occupational respiratory disorders are due to the occupation of the individual. Silicosis is an occupational disease that occurs due to the excessive inhalation of silica dust by the workers of mining industry. Long exposure can cause proliferation of fibrous connective tissue (fibrosis) of upper part of lungs causing inflammation. Anthrax and botulism are bacterial diseases of humans caused by Bacillus anthracis and Clostridium botulinum respectively. Emphysema is an abnormal distension of the bronchioles or alveolar sacs of the lungs.