brain & behavior ch 15

By hilbot11, May 2008

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this route is preferred for many drugs; it is easy and safe, but unpredictable; drugs either pass through the stomach wall or reach the intestine to be absorbed	oral ingestion
this route offers strong, fast, predictable effects; administration can be made into fatty tissue beneath the skin, muscles, or directly into veins (bloodstream delivers drug directly to brain)	injection
this route is difficult to regulate dosage and can cause damage if in chronic use; the drug is absorbed into the bloodstream through the network of capillaries in the lungs	inhalation
drug is administered through the nose, mouth, or rectum	absorption through mucous membrane
state of decreased sensitivity to a drug that develops as a result of exposure to it	drug tolerance

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