CH 5 chapter test.docx - CHAPTER 5 The process of killing...

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CHAPTER 5 The process of killing or removing all of the microorganisms in or on a material is called sterilizatio n. sanitation. degermin g. disinfectio n. antisepsis. Hand washing with plain soap is very effective in controlling spread of microorganisms because plain soap is bacteriostatic and inhibits bacterial growth. plain soap is bactericidal and kills all bacteria. all soaps are virucidal and kill all viruses. all soaps are bacteriostatic and kill endospores. it is very effective at the mechanical removal of microorganisms.
Your brother goes on to explain the concept of decimal reduction (D-value) time to you. To illustrate his point, he tells you that if the D-value for Giardia was 3 minutes and the starting number of cells was 10 4 , the time it would take to eliminate all of the Giardia cells would be
The autoclave treatment may be monitored by

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