CAS PS 333 Study Guide - Midterm Guide: Bloodborne, Alkaloid, Vagus Nerve
9 Oct 2016
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Pharmacology: the scientific study of the actions of drugs and their effects on a living organism: neuropharmacology: study of drug-induced changes in nervous system cell functioning, psychopharmacology: study of drug-induced changes in mood, thinking, and behavior. Enteral methods use the gi tract (oral or rectal administration. Parenteral methods include injection, pulmonary, and topical administration. b. i. Easily introduced in to the system and safest route. Travels easily to the intestine, it"s picked up by blood that travels directly to the liver. Blood travels into general bloodstream, through the heart, and to the brain. b. i. 4. First pass metabolism: breaks down and excretes a smaller amount of drug than taken. b. ii. Absorption is irregular and thus bioavailability is difficult to predict. b. iii. The needle is inserted into the peritoneal cavity, which is then carried by the blood to the liver. b. iii. 3. Only used on people when they have rabies. Subcutaneous picked up in small muscle cells between the epithelium and muscle.
