PSY 402 Study Guide - Sedative, Area Postrema, Dopamine Agonist
Document Summary
Neuropsychology: chapter 7: the influence of drugs and hormones on behavior. Psychopharmacology: the study of how drugs affect the nervous system and behaviour. Drug: a chemical compound that will bring about a desired change in the body. Psychoactive drugs: substances that alter mood, thought, or behavior and are used to manage neuropsychological illness. (can also be a substance of abuse) To be psychoactive, the drug must reach the nervous system. Weak acid drugs (alcohol) is easily absorbed through the stomach lining. To pass through the bloodstream a drug must be hydrophilic: hydrophobic drugs won"t be able to enter the bloodstream, a drug becomes diluted by the 6-l volume of blood. The drug, once past the circulatory system has to go through extracellular fluid: drug will be modified/destroyed by various metabolic processes in a cell. Drugs are metabolized by the: kidneys, liver & bile. Drugs are excreted through: urine, feces, breast milk, sweat, and exhaled air.
