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Microbiology chapter 7

Terms in this set (54)

Which of the following is the best method to sterilize heat-labeled solutions?
Membbrane filtration
Which of the following best describes the pattern of microbial death?
The cells in a population die at a constant rate
Which of the following chemical agents is used for sterilization?
Ethylene oxide
Which of the following substances is used for surgical and scrubs?
Chlorhexidine
Which of the following pairs of terms is mismatched?
Bacteriostatic-kills vegetative bacterial cells
The antimicrobial activity of chlorine is due to which of the following?
The formation of hypocholrous acid
Which of the following regarding antimicrobial control agents is false?
Alcohols effectively inactivate nonenveloped viruses by attacking lipids
Which of the following does not achieve sterilization?
Pasteurization
Which of the following is a limitation of the autoclave
It cannot be used with heat-labile materials.
An agent used to reduce the number of bacteria on a toilet would most accurately be called a(n)
disinfectant
Application of heat to living cells can result in all of the following except
Glutaraldehyde
Disinfection fo water is achieved by all of the following except
Peracetic acid
All of the follows substances are effective against nonenveloped viruses excep
Alcohol
Which of the following methods is used to prescribe food by slowing the metabolic processes of foodborne microbes?
Freezing
Which concentration of ethanol is the most effective bactericide?
70 percent
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