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31 Cards in this Set
- Front
- Back
The term "sterilization" applies to the removal of all of the following EXCEPT: |
prions |
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Which of the following is an example of degerming? |
scrubbing your hands |
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Which of the following is an example of sanitization? |
A public toilet is treated with disinfectants. |
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Aseptic means |
free of all pathogens. |
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Which of the following would NOT be bacteriostatic? |
autoclaving |
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Antimicrobial agents that interfere with nucleic acids also stop protein synthesis because |
E) A, B, and C are correct. |
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Which of the following is the least resistant to antimicrobial agents? |
enveloped viruses |
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An instrument that will be used in an invasive medical procedure should be disinfected with a(n) |
high-level germicide. |
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All of the following sterilize EXCEPT: |
lyophilization. |
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Which of the following describes the batch method of pasteurization? |
heating at 63°C for 30 minutes |
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The dairy creamer used in restaurants is usually sterilized by |
UHT sterilization. |
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All of the following are components of an autoclave EXCEPT: |
membrane filters. |
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Which of the following is a target of pasteurization? |
Brucella melitensis |
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All of the following statements concerning radiation as a method of microbial control are true EXCEPT: |
X rays are the most practical form of ionizing radiation for microbial control. |
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Which of the following is used for microbial control in fresh fruits and vegetables? |
gamma rays |
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Which of the following can be used to disinfect air? |
Both A and C are correct. |
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Which of the following has been incorporated into consumer products such as diapers and cutting boards? |
triclosan |
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Concerning alcohol, which of the following statements is false? |
One hundred percent alcohol is the most effective form. |
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Betadine is an example of which of the following? |
halogens |
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All of the following are characteristics of quaternary ammonium compounds EXCEPT: |
they function by cross-linking proteins. |
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Which of the following was used in the past to prevent the transmission of gonorrhea from an infected mother to her newborn? |
silver nitrate |
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Which of the following is used to sterilize items that should not, or cannot, be exposed to heat or water? |
ethylene oxide |
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All of the following are characteristics of aldehydes EXCEPT: |
they are used only to preserve dead tissues. |
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All of the following are characteristics of iodophors EXCEPT: |
they are inorganic molecules. |
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A chemical agent that kills pathogenic microbes in general is a(n) |
germicide. |
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All of the following are characteristics of an ideal antimicrobial agent EXCEPT: |
it denatures proteins. |
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Boiling water rapidly kills all of the following EXCEPT: |
protozoan cysts. |
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Which of the following procedures is currently the standard test in the United States for evaluating the efficiency of antiseptics and disinfectants? |
use-dilution test |
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Which of the following would be used to sterilize a mattress? |
ethylene oxide |
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All of the following have denaturing proteins included in their mechanism of action EXCEPT: |
surfactants. |
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Which of the following antimicrobial agents is the most toxic to humans? |
ethylene oxide |