Medical Microbiology 108 Exam 3 Study Guide
Medical Microbiology 108 Exam 3 Study Guide Bio 108
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This 4 page Study Guide was uploaded by Lindsey Webster on Sunday January 31, 2016. The Study Guide belongs to Bio 108 at Ferris State University taught by Anne Spain in Winter 2016. Since its upload, it has received 74 views. For similar materials see Medical Microbiology in Science at Ferris State University.
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Date Created: 01/31/16
Medical Microbiology 108 Terminology Germicidal Kills germs or microbes I. Bactericidal Kills bacteria II. Bacteriostatic Inhibits bacterial growth III. Sporicidal Kills bacterial endospores IV. Fungicidal Kills fungus V. Fungistatic Inhibits Fungal growth VI. Virucidal Destroys viruses Sterilization Destruction of all living and viable microbes including bacterial endospores I. Sterile Free of all microbes II. Sterilant Agent that does the sterilizing (Bleach, autoclave) Disinfection Destruction of most microbes from inanimate surfaces vegetative cells, but not endospores I. Disinfected Free of 99.9% germs II. Disinfectant Product that does the disinfecting Antisepsis Destroys microbes on human tissues (living tissues) I. Antiseptic Agent that kills microbes on tissue (skin) Sanitization Reduction of the numbers of microorganisms to a safe (Sanitary) level I. Sanitizer Agent that sanitizes Decontamination Mechanical removal of microbes Mode of action The method by which a physical or chemical antimicrobial method inhibits or kills microbes (how a method targets a microbe for destruction) pH, temperature, and chemicals destroy cell structures Metabolisms and protein synthesis inhibit cell processes Methods of Controlling Microbial Growth Physical Methods Heat o Bactericidal o Mode of action denatures proteins o Used for disinfection or sterilization Dry Heat o Used to Sterilize o Bactericidal o mode of action.................? Moist Heat o Hot water/pasteurization o 6070 C for a long time Disinfects o Boiling water o 100 C Disinfects o Steam heat under pressure(autoclave) o Sterilizes Cold Temperatures o Bacteriostatic o Used to preserve food and prevent spoilage o Refrigeration 4C Freezing 20C Radiation o Bactericidal o mode of action Damages DNA o Can be used to disinfection or sterilization o Non Ionizing (UV radiation) Used to Disinfect Ionizing(Gamma Irradiation) Used to Sterilize
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