DRUG USE AND ABUSE EXAM 2 -

DRUG USE AND ABUSE EXAM 2 | -

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When a drug enters the bloodstream.Absorbed

The diminished or reduced effect of a drug when another drug is present.Antagonism

A term expressing correlation. In graphs of functional relationships between two variable, changes in one variable (ex. Drug effect) associated with changes in another (drug dose) are represented.As a function of

The portion of the original drug dose that reaches its site of action or that reaches a fluid in the body that gives it access to its site of action.Bioavailability

In research, to be able to account for variables that may affect the results of a study to control

A more diffusible substance is more easily entered into or "receptive" of another.Diffusibility

When a drug charges from solid to liquid by mixing it with a liquid.Dissolved

The transport of drugs by the blood to their site(s) of action in the body.Distribution

The minimum effective dose of a drug.Drug potency

The dose at which a given percentage of individuals show a particular effect of a drug.effective dose

The most intense, or peak, level of a drug effect.Efficacy

In this context, in a series of events, what happens in a later event that preceded it.Feedback

When a substance is separated, or "freed", from its salt base. The separated form of the substance is thus called Freebase

The amount of time that must pass for the amount of drug in the body to be reduced by half.half-life

When the effects of one drug are modified by the presence of another drug.Interact

The dose of a drug at which a given percentage of individuals die within a specified time.

Lethal dose

The process by which the body breaks down matter into more simple components and waste.metabolism

The branch of pharmacology that concerns the biochemical and physiological effects of drugs and their mechanisms of action.Pharmacodynamics

Refers to the study of "what the body does to the drug" and includes the main processes of absorption, distribution, metabolism, and excretion (known as the acronym ADME) Pharmokinetics

The kind, as opposed to quantity, of effect.Qualitative

Effects of a drug other than those of central interest; used most often in reference to the other-than-therapeutic effects of medications, such as the side