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Questions and Answers
Which of the following is NOT considered a physical antimicrobial agent?
Which of the following is NOT considered a physical antimicrobial agent?
- Desiccation
- Radiation
- Halogens (correct)
- Heat
What is the major group of chemical antimicrobial agents used as disinfectants, antiseptics, and preservatives?
What is the major group of chemical antimicrobial agents used as disinfectants, antiseptics, and preservatives?
- Aldehydes
- Quaternary Ammonium Compounds
- Phenols and Phenolics (correct)
- Heavy metals
What is the effect of organic matter on the activity of chemical antimicrobial agents?
What is the effect of organic matter on the activity of chemical antimicrobial agents?
- No effect on the activity
- Turns the agent into a physical antimicrobial agent
- Enhances the activity
- Reduces the activity (correct)
What does the phenol coefficient test evaluate?
What does the phenol coefficient test evaluate?
Which property affects the activity of chemical antimicrobial agents through the concentration exponent?
Which property affects the activity of chemical antimicrobial agents through the concentration exponent?
What is the mechanism of action of halogens as chemical antimicrobial agents?
What is the mechanism of action of halogens as chemical antimicrobial agents?
What is the classification of chemicals derived from one microorganism or living cell, which can kill another microorganism, usually within the body?
What is the classification of chemicals derived from one microorganism or living cell, which can kill another microorganism, usually within the body?
What is the process whereby physical or chemical methods are used to remove/destroy microorganisms and reduce their number on a surface to a non-harmful level?
What is the process whereby physical or chemical methods are used to remove/destroy microorganisms and reduce their number on a surface to a non-harmful level?
Which chemical agent is used for physical (non-chemical) disinfection?
Which chemical agent is used for physical (non-chemical) disinfection?
What are agents applied to the living tissues of humans, other animals, and plants to destroy or inhibit the growth of infectious microorganisms called?
What are agents applied to the living tissues of humans, other animals, and plants to destroy or inhibit the growth of infectious microorganisms called?
What is the substance used to inactivate or destroy microorganisms living on non-living (or inanimate) inert surfaces?
What is the substance used to inactivate or destroy microorganisms living on non-living (or inanimate) inert surfaces?
Which chemical group includes chemicals like sodium benzoate, benzoic acid, sorbic acid, thiomersal, and phenyl mercuric nitrate (PMN)?
Which chemical group includes chemicals like sodium benzoate, benzoic acid, sorbic acid, thiomersal, and phenyl mercuric nitrate (PMN)?
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