AP Environmental Science Toxicology

The reduction in coal burning to generate electricity would most likely have the biggest impact on reducing which of the following toxins?

• Phthalates

• Vinyl chloride

• Mercury

• Benzene

• Radon

1st level that cause harm: nausea, vomiting, or change in heart rate

• Normal

• Lethal

• LD50

• Toxic

Substance can adversely affect the health of living organisms or environment and has carcinogenic, mutagenic teratogenic effect.

• Corrosive

• Toxic

• Ignitable

• Reactive

Which of the following is a primary concern of toxicology in environmental science?

• Assessing the impact of pollutants on human health

• Studying the geological formation of rocks

• Analyzing the economic benefits of recycling

• Exploring the biodiversity of rainforests

Tags

NGSS.HS-LS2-7

What is the term for the dose of a substance that is lethal to 50% of a test population?

• LC50

• LD50

• EC50

• IC50

Which of the following substances is most likely to bioaccumulate in the food chain?

• Mercury

• Sodium chloride

• Ethanol

• Carbon dioxide

In toxicology, what does the term 'threshold' refer to?

• The maximum dose that can be tolerated

• The dose at which a substance begins to have a detectable effect

• The average dose consumed by a population

• The minimum dose required to cause death

Which of the following is an example of a teratogen?

• Aspirin

• Thalidomide

• Caffeine

• Vitamin C

What is the primary focus of environmental toxicology?

• Studying the effects of chemicals on ecosystems

• Developing new pharmaceuticals

• Improving agricultural yields

• Designing sustainable buildings

Tags

NGSS.HS-LS2-7

Which of the following is a common method for assessing the toxicity of a chemical?

• Conducting a double-blind clinical trial

• Performing an Ames test

• Using a spectrophotometer

• Applying the Hardy-Weinberg principle