Occupational and Environmental Health: Recognizing and Preventing Disease and Injury - Multiple Choice Questions - Learn & Prevent

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Test your knowledge on preventing occupational and environmental diseases with our quiz app. Dive into insightful questions based on the 6th edition of the renowned book Occupational and Environmental Health: Recognizing and Preventing Disease and Injury by Levy et al., ISBN 978-0-19-539788-8. A perfect tool for health professionals and students.

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Which pollutants are considered primary pollutants in the context of ambient air pollution?

  1. Sulfur dioxide, oxides of nitrogen, and particulate matter

  2. Carbon dioxide and methane

  3. Chlorofluorocarbons (CFCs)

  4. Pollen and spores

The correct answer is: Sulfur dioxide, oxides of nitrogen, and particulate matter

Primary pollutants are those that are directly emitted into the atmosphere from natural sources or human activities, without undergoing any transformation. In this context, A is the correct answer because sulfur dioxide, oxides of nitrogen, and particulate matter are all examples of primary pollutants that are directly released into the air. They can cause immediate harmful effects on human health and the environment. Other options such as carbon dioxide, methane, and chlorofluorocarbons are considered secondary pollutants, as they are formed through chemical reactions with other pollutants in the air. Pollen and spores are also not considered primary pollutants as they are naturally occurring and not directly emitted into the air.

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