1
2
3
4
5
100
destruction of all forms of microbial life (including endospores)
Sterilization
100
Any chemical agent that kills pathogenic microorganism
Germicide
100
The mechanical removal of most of the microbes in a limited area
Degerming
100
"Steaming" 121 degree, 15 psi, 15-30 minutes; Will kill all endospores and organism, temps above that of boiling
Autoclaving
100
Very resistant to drying
M. Tuberculosis & Endospores
200
Easy to killed/inhibited
Low resistance
200
destruction of vegetative pathogens on insert surfaces (physical or chemical agent)
Disinfection
200
Treatment that lowers microbial counts to safe public health levels; reducing # of microbes
Sanitization
200
100 degrees for 30 mins; decontaminates but does not sterilize, kills most pathogens but not endorspores.
Boiling Water:Disinfection
200
Very sensitive to drying
Neisseria Gonorrhoeae
300
Difficult to kill/control
High resistance
300
Bacterial contamination; growth of bacteria in blood or other tissue
Sepsis
300
Lower temperatures and shorter time than; coagulates or denatures proteins
Moist Heat
300
Needs a HIGHER temp & longer exposure time than moist heat; dehydrates cell, denatures protein
Dry Heat Sterilization
300
Slows activities of most microbes (refrigerator/freezing)
Low temperatures
400
Kills bacteria
"Cidal"
400
The absence of bacterial contamination; any practice that prevents the entry of infectious agents into sterile tissues & thus prevents infection
Asepsis
400
High temperature and longer times; dehydrates or oxidizes
Dry heat
400
Organisms can not grow or reproduce but can remain viable for years; kill some microorganisms
Desiccation (drying)
400
T or F molds/yeasts are more resistant to high salt or high sugar solutions
True
500
Inhibits bacterial growth
"Static"
500
Destruction of vegetative pathogens on living tissue (chemical agent)
Antisepsis
500
Common methods of moist heat control include
Steam under pressure, Pasteurization, Boiling water
500
Quick freeze combined with desiccation
Lyophilization
500
Likes to grow in high salt concentrations
Halophiles
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Microbiology Chapter 11
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