动物药理学（Animal pharmacology）.docVIP

动物药理学（Animal pharmacology） Review of animal pharmacology First, the noun explains 5*3=15, divides two, selects the question 25*2=50, divides three, fills in a blank question 15 points four, questions and answers question: 20 points Noun: 1. Veterinary drugs: substances used to prevent, treat, diagnose animal diseases, or regulate animals physiological functions with purpose. 2, (1) for treatment: the purpose of the drug is to eliminate the disease of the primary pathogenic factors, Chinese medicine called a permanent cure. (2) symptomatic treatment: the purpose of medication is to improve the symptoms of disease, Chinese medicine called temporary solution. 3, LD50 (median lethal dose): a dose that causes half of all animal deaths. 4, the first pass effect: oral drug absorption from the gastrointestinal tract into the liver via the portal vein system for drug metabolism in the combined effect of liver enzyme, gastrointestinal enzymes and microorganisms, to enter the systemic circulation reducing dosage, the phenomenon that had led effect, also called first pass elimination. P18 5, drug resistance: also known as drug resistance. Inherent resistance and acquired resistance. (1) resistance is determined by bacterial chromosome genes that are passed on from generation to generation. (2) obtained after repeated exposure to bacterial resistance is antibiotics, the physiological and biochemical function, structure change, thus forming a mutant strain of resistance, their sensitivity to drugs decreased or disappeared 6 cross resistance: the resistance of a pathogen to a drug is often resistant to the same type of drug. 7, after the effect of antibacterial drugs: refers to the antibacterial drug withdrawal, its concentration is lower than the minimum inhibitory concentration, still maintain a certain inhibitory effect on bacteria. 8, drug incompatibility: more than two kinds of Drugs mixed or made possible drug preparations, neutralization, hydrolysis, failure and other physi