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Questions and Answers
Which type of heat treatment is preferred for moisture-sensitive materials?
Which type of heat treatment is preferred for moisture-sensitive materials?
- Tyndallization
- Autoclaving
- Moist Heat
- Dry Heat (correct)
What is the primary purpose of sterilization in a microbial growth control context?
What is the primary purpose of sterilization in a microbial growth control context?
- To lower microbial counts to safe public health levels
- To mechanically remove microbes from a limited area
- To inhibit or kill other microorganisms using antibiotics
- To completely destroy all forms of microbial life, including endospores (correct)
What is the primary purpose of pasteurization in food processing?
What is the primary purpose of pasteurization in food processing?
- To destroy vegetative pathogens on inanimate surfaces
- To lower microbial counts to safe public health levels (correct)
- To kill endospores of Clostridium botulinum in canned foods
- To destroy vegetative pathogens on living tissue
What is the term for the destruction of vegetative pathogens on living tissue?
What is the term for the destruction of vegetative pathogens on living tissue?
What is the term for the mechanical removal of microbes from a limited area?
What is the term for the mechanical removal of microbes from a limited area?
What is the term for the application of treatment intended to lower microbial counts to safe public health levels?
What is the term for the application of treatment intended to lower microbial counts to safe public health levels?
What is the primary purpose of Selective Media?
What is the primary purpose of Selective Media?
Which type of media is used to grow Chemoautotrophs and Photoautotrophs?
Which type of media is used to grow Chemoautotrophs and Photoautotrophs?
What is the purpose of Differential Media?
What is the purpose of Differential Media?
Which type of media is used to cultivate Fastidious Organisms?
Which type of media is used to cultivate Fastidious Organisms?
What is the purpose of Nonsynthetic/Complex Media?
What is the purpose of Nonsynthetic/Complex Media?
Which of the following is an example of Differential Media?
Which of the following is an example of Differential Media?
What is the mechanism of action of Cationic (+) detergents in sanitizing?
What is the mechanism of action of Cationic (+) detergents in sanitizing?
Which gaseous sterilant is commonly used due to its high penetration ability and is also carcinogenic?
Which gaseous sterilant is commonly used due to its high penetration ability and is also carcinogenic?
What is the purpose of using Biological Indicators in sterilization?
What is the purpose of using Biological Indicators in sterilization?
What is the mechanism of action of Biguanides, such as Chlorhexidine, in skin disinfection?
What is the mechanism of action of Biguanides, such as Chlorhexidine, in skin disinfection?
Which method is commonly used to get pure cultures of microorganisms?
Which method is commonly used to get pure cultures of microorganisms?
What is the classification of antibiotics that inhibit cell wall synthesis, such as Cephalosporins and Bacitracin?
What is the classification of antibiotics that inhibit cell wall synthesis, such as Cephalosporins and Bacitracin?
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