PSB 3002 Lecture Notes - Lecture 4: Neuromuscular Junction, Curare, Tetrodotoxin
Document Summary
Psychopharmacology: study of the effects of drugs on the nervous system and behavior. Do include those chemicals created to mimic these natural substances. Drug effects: changes drug produces in an animals physiological processes and behavior. Psychoactive drugs: drugs that alter the cognition, behavior, and emotions by changing the functioning of the brain. Site of action: locations at which molecules of drugs interact with molecules located on or in cells of body, thus affecting some biochemical processes of these cells. Movements of drugs, including process by which drugs are: absorbed. Drug is administered and absorbed through tissues ex: intramuscular injection: distributed within the body. Drug is distributed throughout the body and blood: metabolized. Drug is changed to an inactive form by enzymes (usually in liver: excreted. Drug is excreted by urine in kidneys. Intraperitoneal (ip) injection: most common form of injection, not as fast as iv, peritoneal cavity. The space that surrounds the stomach, intestines, liver, and other abdominal.