Persons working in cement plants and limestone quarries are more prone to disease like__________________?
Correct answer: C. Silicosis
- A. Cancer
- B. Asthma
- C. Silicosis
- D. Fluorosis (bone disease)
Explanation
Cement and limestone dust can contain respirable crystalline silica, whose long-term inhalation causes silicosis, a serious fibrotic lung disease. Asthma may occur from dust exposure, but silicosis is the characteristic occupational disease here.
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