Concept explainers
To mention: The sources and types of hazardous materials in the environment.
Introduction: The environment contains many agents that can damage the cells, tissues and organs. It may accumulate in the body and may causes health issues in long term.
Explanation of Solution
The sources of hazardous materials may be chemicals, physical agents, and biological agents.
The unwanted chemicals may be consumed in contaminated food or water, inhaled into the lungs, or absorbed through the skin. Chemical sources have many types of hazardous materials such as heavy metals, acid bases, inhalants (particulate or solvents), asbestos, and pesticides.
Physical agents include temperatures hazards (such as hyperthermia and hypothermia), radiation hazards (such as ionizing radiation and light energy), noise hazards, food and waterborne hazards.
The biological agents include bites and stings that may cause disease and other physical complications.
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Chapter 28 Solutions
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