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The most common cause of Occupational asthma
5.The most common cause of Occupational asthma is
1. Asbestos
2. Cotton dust
3. Isocyanates
4. Silica dust
5. Grain dust 6. Which of the above is not known to cause Asthma ?
1. Asbestos
2. Cotton dust
3. Isocyanates
4. Silica dust
5. Grain dust 6. Which of the above is not known to cause Asthma ?
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1. Asbestos
2. Cotton dust
3. Isocyanates
4. Silica dust
5. Grain dust 6. Which of the above is not known to cause Asthma ?[/quote] 5. Answer: 3 - Isocyanates is said to be the most common cause of Occupational Asthma. Isocyanates occurs in fumes in Plastic industries. 6. Answer: 4 - Silica dust is not known to cause Asthma.