PBHL 2102 Chapter Notes - Chapter 3: Carcinogen, Absorbed Dose
5 Feb 2017
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Document Summary
Exposure- is defined as proximity or contact with a source of a disease agent in such a manner that effective transmission of the agent or harmful effects of the agent may occur. The study of the adverse effects of chemicals on living organisms. Environmental toxicology- the study of how ecological systems their structure, dynamics, function are affected by pollutants. Xenobiotics- chemical substances that are reign to the biological system. They include naturally occurring compounds, drugs, environmental gents, carcinogens, and insecticides. Spectrum of toxic dose- describes the toxicity or hazards that are related to exposure to a particular chemical. Poison- is defined as any agent capable of producing a deleterious response in a biological system. Virtually every known chemical has the potential to produce injury or death. Toxic agent- refers vernally to a material or factor that can be harmful to biological systems. Radiation or biological sources like venom and almost all chemicals.
