Historically, Which of the Following Considerations in Setting Standards for Toxic

question 52

Multiple Choice

Historically, which of the following considerations in setting standards for toxic exposure has been emphasized the least?

• A) Including information about how toxins affect natural ecological systems
• B) Different members of the population have different sensitivities to toxins
• C) Including information about both chronic and acute exposures to a toxin
• D) Individuals in the human population have been exposed to many different kinds of toxins that may have additive or synergistic effects
• E) All of these considerations have been used and are important in setting policy

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Definitions:

Random sample

A sample drawn from a population in such a way that every member of the population has an equal chance of being selected.

Confidence interval

This statistical term refers to a calculated interval with an associated confidence level that expresses where the true parameter of the population is expected to lie.

Normally distributed

A term describing a distribution that follows a normal curve or bell curve, indicating symmetry around its mean.

Random sample

A selection made in such a manner that every subset of the population has an equal probability of being picked.