Podcast
Questions and Answers
What does disinfection refer to?
What does disinfection refer to?
- Destruction of bacterial spores
- Reduction of pathogens to safe levels
- Destruction of pathogens on living objects
- Destruction of pathogens on inanimate objects (correct)
Which process involves the physical removal of microorganisms?
Which process involves the physical removal of microorganisms?
- Sterilization
- Degerming (correct)
- Disinfection
- Antisepsis
What is the term for an agent that kills viruses?
What is the term for an agent that kills viruses?
- Fungicide
- Viricide (correct)
- Bactericide
- Germicide
Which of the following processes involves destroying all forms of microbial life, including bacterial spores?
Which of the following processes involves destroying all forms of microbial life, including bacterial spores?
What does antisepsis refer to?
What does antisepsis refer to?
Why are germicides more effective at higher temperatures?
Why are germicides more effective at higher temperatures?
Which term refers to the reduction in the number of pathogens to a level considered safe by public health guidelines?
Which term refers to the reduction in the number of pathogens to a level considered safe by public health guidelines?
What is the term for the physical removal of microorganisms using soaps or detergents?
What is the term for the physical removal of microorganisms using soaps or detergents?
Which agent prevents the further multiplication of bacteria without necessarily killing all that are present?
Which agent prevents the further multiplication of bacteria without necessarily killing all that are present?
What type of organism may remain alive after disinfection or antisepsis?
What type of organism may remain alive after disinfection or antisepsis?
What is an agent that destroys fungi known as?
What is an agent that destroys fungi known as?
In which process is destruction of pathogenic organisms done on a living object?
In which process is destruction of pathogenic organisms done on a living object?
Which factor affects the effectiveness of germicides by causing chemical breakdown at lower temperatures?
Which factor affects the effectiveness of germicides by causing chemical breakdown at lower temperatures?
What does a viricide do?
What does a viricide do?
What is an agent called that destroys bacteria?
What is an agent called that destroys bacteria?
Which process involves the destruction of all forms of microbial life, with particular attention to bacterial spores?
Which process involves the destruction of all forms of microbial life, with particular attention to bacterial spores?
Study Notes
Methods of Microbial Growth Control
- Sterilization: destruction of all forms of microbial life, with attention to bacterial spores
- Disinfection: destruction of pathogenic organisms on inanimate objects, such as table-tops
- Antisepsis: destruction of pathogenic organisms on living objects, such as skin surface
- Sanitization: reduction of pathogens to a level deemed safe by public health guidelines
- Degerming: physical removal of microorganisms using soaps or detergents
Types of Germicides
- Germicide: any chemical agent that kills microorganisms
- Bactericide: agent that destroys bacteria
- Fungicide: agent that kills fungi
- Viricide: agent that kills viruses
Effects of Conditions on Germicides
- Temperature: germicides are more effective at high temperatures, as they break down at lower temperatures
- Type of microorganism: affects the use of germicides
- Environment: affects the use of germicides
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Description
Learn about various methods for controlling microbial growth, such as sterilization, disinfection, antisepsis, sanitization, and degerming. Understand the differences between these methods and when to use each one.
