Disorders of the Respiratory System -
- Occupational Respiratory Disorders: As the name indicates, these disorders are due to the occupation of the individual. These are caused by harmful substances, such as gas fumes or specks of dust, present in an environment where a person works. Silicosis and asbestosis are common examples, which occur due to chronic exposure of silica and asbestos dust in the mining industry. It is characterised by proliferation of fibrous connective tissue (fibrosis) of the upper part of the lungs, causing inflammation.
Hence, the correct option is silicosis
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