Inhalation of silica dust causes a disease called__________________?
Correct answer: D. Silicosis
- A. Bronchitis
- B. None of these
- C. Pneumoconiosis
- D. Silicosis
Explanation
Silicosis is the specific lung disease caused by prolonged inhalation of crystalline silica dust. Pneumoconiosis is the broader class of dust-induced lung diseases, so it is less precise here.
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