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chaper 7 microb

QuestionAnswer
Which of the following does not kill endospores? pasteurization
Which of the following is most effective for sterilizing mattresses and plastic Petri dishes? ethylene oxide
Which of these disinfectants does not act by disrupting the plasma membrane halogens
Which of the following is most likely to be bactericidal? ionizing radiation
Which of the following is used to control microbial growth in foods organic acids
The removal or destruction of all forms of microbial life is called Sterilization
Treatment intended to lower microbial counts on eating and drinking utensils to safe public health levels: Sanitization
Commercial sterilization is a limited heat treatment to destroy Clostridium botulinum endospores
Which of the following BEST describes the pattern of microbial death? The cells in a population die at a constant rate
The lowest temperature at which all of the microorganisms in a particular liquid suspension will be killed in 10 minutes is called Thermal death point
Which one of the following is the BEST advertisement for a disinfectant? Kills Pseudomonas
Which of the following methods causes destruction of DNA? Radiation
Sterilization can be achieved by using Ethylene oxide
The eradication of nonenveloped viruses CANNOT be achieved by Alcohol
Which of the following is NOT used to preserve foods? Biguanides
Which of the following is the MOST useful for disinfecting medical instruments? Quats
These chemical agents cause a disruption of the plasma membrane and denaturation of enzymes: Phenolics
What chemical is used to prevent molds from growing in cheese and soft drinks? Sorbic acid
Lister use what chemical to control surgical infections in the operating room Phenol
gRAM - POS BACTERIA LESS RESISTANT TO BIOCIDES
ENDODSPORES MOST RESISTANT TO MICROB
WHAT THE SIMPLEST METHOD OF DRY HEAT STERILIZATION DIRECT FLAMIMG
Created by: millerthoma2008
 

 



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