HHE 378 Study Guide - Midterm Guide: Chronic Toxicity, Anxiolytic, Methyl Group

• School: University of Alabama
• Department: General Health Studies
• Course: HHE 378
• Professor: Michelle Harcrow

Document Summary

Excreted unchanged from the body (usually in urine) or 2. It may be chemically changed so that it no longer has the same effect on the body: kidneys: kidneys operate in two-stages. First step is water and most of the small and water-soluble molecules are filtered out. Such as drugs that increase cyp450 and other ways of increasing elimination of the drug: behavioral tolerance: tolerance caused by learned adaption to drug. Such as drunk drivers learning to drive while drunk or speak clearly: pharmacodynamics tolerance: tolerance caused by altered nervous system sensitivity leads to not only reduced effectiveness of the drug but also to withdrawal reaction. Such as the cns being constantly held in a depressed state from alcohol abuse so the brain would compensate by reducing the amount of inhibitory neurotransmitter gaba. This is a homeostatic mechanism: stimulants, cocaine: the active chemical in the coca plant, history of cocaine: inca would use coca leaves to overcome fatigue.