Public Health Nursing Practice Exam

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Which type of pollution is primarily associated with agricultural runoff?

Water pollution
Air pollution
Soil pollution
Noise pollution

The correct answer is: Water pollution

Agricultural runoff is primarily associated with water pollution. This occurs when rain or irrigation water flows over fields, carrying with it fertilizers, pesticides, and other contaminants that are used in farming. These substances can enter nearby rivers, lakes, and streams, significantly impacting water quality and aquatic life. Nutrients like nitrogen and phosphorus can cause eutrophication, leading to harmful algal blooms that deplete oxygen in water bodies and create dead zones where aquatic organisms cannot survive. Therefore, understanding the connection between agricultural practices and water pollution is crucial for implementing effective strategies to manage and mitigate these environmental impacts.