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Micro20 exam2

Study Guide for Exam 2 Microbiology 20 ELAC

TermDefinition
Organic
Aseptic
Sterile
Sterilization Kills all life forms
Disinfection
Disinfectant
Antiseptic
Sanitization
-Cidal
-static
pasteurization
lyophilization
tincture
therapeutic index
MIC
spectrum of a drug
synergism
antagonism
drug resistance
drug susceptibility
synthetic drugs
botanicals
antibiotics
penicillinase
oligodynamic action
Contrast a disinfectant vs. an antiseptic
Explain how drug resistance develops and how can be delayed (can it be avoided?)
selective toxicity kill or inhibit the actions or synthesis of molecules in microorganisms but not vertebrate cells
characteristics of an ideal disinfectant -Kills all types of microorganisms (bacteria, viruses, etc.) -Rapid action with penetrating power. -Dissolve in water or form an emulsion -Relatively inexpensive (although depends on application) -Relatively non-toxic to humans
methods of evaluating disinfectants -Nature of material to be disinfected (cloth, steel, liquid, etc) -Type of Microorganism present, it known -Conditions --Ex:Temperature, Time, pH, Concentration (amount) of disinfectant, Presence or absence of extraneous material
Phenols and derivatives -Phenol: is benzene ring with -OH attached -Lysol: trade name (cresol and soap) -Cresol: preservative
biquanides, chlorhexidine
Created by: 725650999