While Many Substances Can Be Considered Drugs, Which of the Following

question 2

Multiple Choice

While many substances can be considered drugs, which of the following drug definitions is the most accurate?

• A) Any substance that is found in nature or that normally occurs in the body.
• B) Any substance that is synthesized and tested in the laboratory setting.
• C) Substances that are taken to prevent, cure, or reduce symptoms of a medical condition
• D) Substances that can be isolated from natural substances in nature

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Definitions:

Relationship

A connection, association, or interaction between two or more variables, where changes in one variable affect the other(s).

Independent Variables

Refers to the inputs or predictors in a statistical model that are manipulated or selected by the researcher to determine their effect on the dependent variable.

COV

A measure of relative variability computed as the standard deviation divided by the mean; also known as the coefficient of variation.

Independent Variables

Variables in a statistical model that are presumed to influence or predict the outcome of a dependent variable.