Sample Environmental Essays On The Toxicity of a Chemical

Homework Question on The Toxicity of a Chemical

  • Using the Argosy University online library resources and the readings for this module, address the following in your paper:
  1. Define environmental toxicology.
  2. Differentiate between toxins and toxicants.
  3. Describe the determinants of the toxicity of a chemical.
  4. Explain the methods used for testing toxicity of chemicals.
  5. Describe different ranges of exposure.
  6. Explain the concept of latency.
  7. Define dose and threshold.
  8. Describe the differences between synergism, antagonism, and potentiation.
  9. Explain the concept of risk assessment.
  10. Conclude with a description of a human exposure assessment.
  • Give reasons and examples in support. Be sure to use scholarly resources.
  • Write a 2–3-page paper in Word format. Apply APA standards to citation of sources.

Homework Answer on The Toxicity of a Chemical


A thorough understanding of the various terminologies and definitions used in environmental toxicology is crucial from a public health point of view. This is because with over 80,000 chemicals already in use in the United States in such items as personal care products, household cleaners, foods, and prescription drugs, it is important to identify the various levels of effects of such chemicals and their risk on human health (Friis, 2011).

Accordingly, the aim of this essay is to identify the key terms as used in toxicology. In addition, the various factors that impact on responses to a toxic chemical shall also be identified, as well as the risk assessment process and human exposure assessment to toxic chemicals.The Toxicity of a Chemical.Friis (2011) has defined environmental toxicology as the impact of pollutants on the dynamics, function, and structures of ecological systems.

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In this case, environmental toxicology entails an assessment of how the exposure of chemical pollutants to the environment could render them to risks in the form of biological organisms, in particular, birds, fish, and animals. While both the terms toxins and toxicants are used in reference to toxic substances, toxins mainly refers to the natural toxic substances, as in the case with snake’s venom, or poisonous mushrooms.