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Environmental Toxicology

Choose the incorrect statement below. Thalidomide is an example of a drug that

A. was a potent teratogen
B. was developed before the advent of rigorous clinical trials
C. was used to treat morning sickness during pregnancy
D. was associated with heart problems among adults
E. None of these

D. was associated with heart problems among adults
Dose-response assessment refers to the question of

A. What are the health effects that this agent can cause?
B. What is the relationship between dose and occurrence of health effects in humans (or animals)?
C. What exposures are currently experienced or anticipated under different conditions?
D. .What is the estimated occurrence of the adverse effect in a given population?
E. None of the above

B. What is the relationship between dose and occurrence of health effects in humans (or animals)?
Exposure assessment refers to the question

A. What are the health effects that this agent can cause?
B. What is the relationship between dose and occurrence of health effects in humans?
C. What exposures are currently experienced or anticipated under different conditions?
D. What is the estimated occurrence of the adverse effect in a given population?
E. None of the above

C. What exposures are currently experienced or anticipated under different conditions?
In comparison with the general population, workers may receive exposures to toxic chemicals that are

A. at lower levels for shorter time periods
B. At higher concentrations for much longer time periods
C. Confined to a single time episode
D. More likely to be associated with acute effects than long-term effects
E. None of the above

B. At higher concentrations for much longer time periods
One of the founders of toxicology was

A. Socrates
B. Theophrastus
C. Claudis
D. Da vinci
E. Paracelsus

E. Paracelsus
Risk management refers to the question of

A. What are the health effects that this agent can cause?
B. What is the relationship between dose and occurrence of health effects in humans?
C. What exposures are currently experienced or anticipated under different conditions?
D. What is the estimated occurrence of the adverse effect in a given population?
E. None of the above

E. None of the above
The concentration and toxicity of a chemical in the body are affected by

A. Route of entry into the body
B. Received dose of the chemical
C. Duration of exposure
D. Individual sensitivity
E. All of the above

E. All of the above
The poisonous substance in Amanita phalloides (“death cap” mushroom) is an example of a:

A. Toxicant
B. Toxin
C. Anthropogenic form of poison
D. A poison caused by bacterial activity
E. None of the above

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

A. VOCs
B. TLV
C. TFR
D. AQI
E. LD50

E. LD50

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