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Micro20 exam2
Study Guide for Exam 2 Microbiology 20 ELAC
| Term | Definition |
|---|---|
| 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 |