EOH 353 - Module 5, Module 6, Module 7 ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
Toxicology The study of adverse effects of chemicals on living systems and underlying
mechanisms.
, Environmental Toxicology Study of effects of toxin exposure on organisms and ecosystems in the
environment.
Paracelsus The "father" of toxicology who stated "only the dose permits something not to be
poisonous."
Toxic Triangle The relationship between the Organism, the Toxic Substance, and the
Environment.
Inhalation Route of entry for toxic substances through the lungs.
Ingestion Route of entry for toxic substances by swallowing.
Absorption Route of entry for toxic substances through the skin.
Injection Route of entry for toxic substances through skin penetration by an object.
Acute Toxicity Property causing injury to an organism during a short-term exposure.
Chronic Toxicity Property causing adverse effects during long-term repeated exposures.
Local Toxicity Toxic effects occurring in only one part of the body.
Systemic Toxicity Toxic effects that spread throughout the body.
Hazard Identification The first step in the 4-step Risk Assessment Process.
Dose-Response Assessment The second step in the 4-step Risk Assessment Process.
CORRECT ANSWERS
Toxicology The study of adverse effects of chemicals on living systems and underlying
mechanisms.
, Environmental Toxicology Study of effects of toxin exposure on organisms and ecosystems in the
environment.
Paracelsus The "father" of toxicology who stated "only the dose permits something not to be
poisonous."
Toxic Triangle The relationship between the Organism, the Toxic Substance, and the
Environment.
Inhalation Route of entry for toxic substances through the lungs.
Ingestion Route of entry for toxic substances by swallowing.
Absorption Route of entry for toxic substances through the skin.
Injection Route of entry for toxic substances through skin penetration by an object.
Acute Toxicity Property causing injury to an organism during a short-term exposure.
Chronic Toxicity Property causing adverse effects during long-term repeated exposures.
Local Toxicity Toxic effects occurring in only one part of the body.
Systemic Toxicity Toxic effects that spread throughout the body.
Hazard Identification The first step in the 4-step Risk Assessment Process.
Dose-Response Assessment The second step in the 4-step Risk Assessment Process.