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Microbial Growth Control

Terminology.

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Microbial Growth Control

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    1. Microbial Growth Control Chapter 20

    2. Terminology “decrease the microbial load by limiting growth” (inhibition) or reducing the load (killing) Decontamination Inanimate objects; inhibit growth, but not really reduce the initial load; not sterile, but safe to handle Wiping a table after a meal Disinfection Inanimate object; use of a physical agent to inhibit growth and majorly reduce the initial load Using bleach to clean a table Antisepsis Same as disinfection, but on external living tissue Iodine on a wound Antibiosis In vivo killing or inhibition; internal tissues Antibiotic given for an infection

    3. More Terminology Sterilization A completely different process than the rest Removing all viable organisms and spores by killing or removing Surgical instruments Bacteriocidal versus Bacteriostatic versus bacteriolytic Viri- Fungi-

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