Question

What are the potential health problems associated with excessive ozone exposure?

1. Excessive ozone exposure can lead to breathing difficulties and trigger asthma.
2. Ozone exposure improves lung function.
3. Ozone exposure can cause skin irritation but has no effect on the respiratory system.
4. Excessive ozone exposure can reduce lung function and lead to lung disease.

• A. All
• B. 1 only
• C. 1, 4
• D. 4 only

Answer 1

Answer:

C. 1, 4

• Ground-level ozone (O3) is a major component of smog.

• It is formed from photochemical reactions with pollutants such as volatile organic compounds, carbon monoxide and nitrogen oxides (NOx) emitted from vehicles, and industry.

• Due to the photochemical nature, the highest levels of ozone are seen during periods of sunny weather.

• ozone can also be generated by household equipment, such as portable air cleaners.

• Exposure to excessive ozone can cause problems like - Breathing, trigger asthma, reduce lung function and lead to lung disease.