TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?
Correct answer: D. Bronchitis
- A. Skin disorder
- B. Cancer
- C. Bone disease
- D. Bronchitis
Explanation
Long-term exposure to nitrogen dioxide irritates and inflames the respiratory tract and can lead to bronchitis. Its principal effects are respiratory, not skin, bone, or primarily cancer-related effects.
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