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8 Cards in this Set

  • Front
  • Back

The length of time a particular dosage of a drug will be active In the body.

Duration

A substance that binds to a receptor and alters the state of that receptor, resulting in a biological effect

Agonist

A substance that limits or slows the effect of a medication by preventing it from binding to the receptor

Antagonist

The amount of time it takes for a medication to start working

Onset of action

The dosage of a drug that if administered to a patient would be fatal

Lethal dose

The stage at which the highest concentration of a drug is present in a patients blood stream

Peak level

A measure of the relative safety of a drug.

Therapeutic index

Describes the length of time it takes the initial dosage of a drug to be reduced to half its original size of concentration

Half life