EHS CH 3-4

Of the following routes of exposure, which one has the most rapid effect?

Intravenous

What type of interaction between two chemicals causes one chemical that is not toxic to become more toxic?

potentiative

What type of combination of two chemicals produces an effect that is equal to their individual effects taken together?

additive

The polluter-pays principle states that:

A polluter should bear the expense of carrying out pollution prevention and control measures.

The principle of environmental sustainability states that:

A strong, just, and wealthy society can be consistent with a clean environment.

Which of the following is not covered under the Endangered Species Act?

All are covered

The concentration and toxicity of a chemical in the body are affected by:

All of the above

The concept of environmental justice specifies that:

All people must receive fair treatment in the enforcement of environmental laws.

Specific examples of xenobiotics are:

Antibiotics; Therapeutic drugs; Dioxins; PCBs

In comparison with the general population, workers may receive exposures to toxic chemicals that are:

At higher concentrations for much longer time periods

The Superfund was provided for by which of the following acts:

CERCLA

In the video covering e-waste, which information is necessary to assess when determining the risk and environmental benefits?

Hazard, risk, impacts, social costs

Which of the following abbreviations is used to describe toxic effects of chemicals?

LD50

Concerning the events surrounding Love Canal disclosed the handling and disposal of toxic waste:

Lead to the formation of CERCLA, and deemed the site as "Superfund" to assist in eventual site clean up.

One of the founders of toxicology was:

Paracelsus

What problem may be uncounted in the problem definition stage?

Poorly defined problems

The precautionary principle states that:

Preventative measures should be taken when an activity raises threats of harm to the environment.

The agency responsible for environmental regulation at the international level is the:

WHO

Hazard identification refers to the question of:

What are the health effects that this agent can cause?

Dose-response assessment refers to the question of:

What is the relationship between dose and occurrence of health effects in humans (or animals)?