Wheezing is the most important health hazard caused by
ACarbon monoxide
BCarbon dioxide
CNitrogen dioxide
DSulphur dioxide
Answer:
D. Sulphur dioxide
Read Explanation:
Understanding Particulate Matter Pollution
- Wheezing is a high-pitched whistling sound made while breathing, often indicative of constricted or inflamed airways, frequently linked to the inhalation of Particulate Matter (PM).
- PM 2.5 refers to fine inhalable particles with diameters that are 2.5 micrometers and smaller. These are particularly hazardous as they can penetrate deep into the lungs and enter the bloodstream.
- Health Impacts: Long-term exposure to high levels of particulate pollution is strongly associated with respiratory issues including asthma, bronchitis, reduced lung function, and increased susceptibility to respiratory infections.
- Sources of PM: Primary sources include vehicular emissions, industrial smoke, construction dust, burning of fossil fuels, and biomass burning.
- Regulatory Standards: The National Ambient Air Quality Standards (NAAQS) established by the Central Pollution Control Board (CPCB) in India monitor various pollutants, including PM 2.5 and PM 10, to mitigate these health risks.
- Clinical Significance: In the context of environmental health assessments, wheezing serves as a primary clinical marker for obstructive airway diseases induced by chronic exposure to airborne pollutants.