Microwaves and Food

Which of the following is the most effective method for completely destroying all living microbes, spores, and viruses on an object or in an area?

Sterilization (correct)

Sanitization

Aseptic technique

Disinfection

Which of the following is the correct term for the application of chemicals for removal of potential pathogens from living tissue?

Disinfection

Antisepsis (correct)

Degerming

Sanitization

Which metal is commonly used to line incubators to minimize contamination of cell cultures stored inside?

Mercury

Zinc

Copper (correct)

Silver

Which of the following microbial control methods is ideal for reducing microbial numbers by using mild chemicals and gentle scrubbing of a small area of skin or tissue?

Degerming Signup and view all the answers

Which metal is commonly found in eating utensils to inhibit microbial growth?

Silver Signup and view all the answers

Which metal is commonly used in swimming pools, fish tanks, and municipal water supplies to kill chlorophyll-obtaining organisms?

Copper Signup and view all the answers

Which metal is commonly found in antiseptic mouthwashes?

Zinc Signup and view all the answers

Which compound is broken down by catalase in tissue and results in a superoxide radical toxic to bacteria?

Hydrogen peroxide Signup and view all the answers

What is the active ingredient in teeth whitening and used to treat acne?

Benzoyl peroxide Signup and view all the answers

Which level of germicides has the ability to kill vegetative cells, fungi, viruses, and endospores, leading to sterilization with extended use?

High-level germicides Signup and view all the answers

Which method of microbial control involves applying heat above the maximal range for microbial growth, destroying cellular enzymes?

Dry heat Signup and view all the answers

What is the minimal time necessary for killing a population at a given temperature called?

Thermal death time Signup and view all the answers

Which method of microbial control involves heating for 15-20 minutes at 121°C with 15 pounds of pressure per inch²?

Autoclaving Signup and view all the answers

What is the time it takes for a specific microbial control protocol to produce a one order of magnitude decrease in the number of organisms called?

Decimal reduction time Signup and view all the answers

Which of the following is the main method by which microwaves cook food?

Vibrating water molecules Signup and view all the answers

Which of the following is NOT a type of filter used to remove microorganisms from a solution or gas?

Filtration filter Signup and view all the answers

Which of the following is true about disinfectants and antiseptics?

Antiseptics are used on lifeless objects Signup and view all the answers

Which of the following is a limitation of phenolic compounds as antiseptics?

All of the above Signup and view all the answers

Which method of sterilization uses pressurized steam at a temperature of 132°C to 134°C for as little as 4 minutes?

Fractional sterilization Signup and view all the answers

Which method of pasteurization is commonly used to kill pathogens associated with milk spoilage?

Ultra pasteurization (UHT) Signup and view all the answers

Which method of sterilization uses X and gamma rays to sterilize heat-sensitive pharmaceuticals and plastic items?

Ionizing radiation Signup and view all the answers

Which method of sterilization uses UV rays to limit airborne and surface contamination?

Nonionizing radiation Signup and view all the answers

Which method of microbial control involves the complete destruction/removal of all living microbes, spores, and viruses on an object or in an area?

Sterilization Signup and view all the answers

What is the term for the application of chemicals for removal of potential pathogens from living tissue?

Antisepsis Signup and view all the answers

Which of the following is the correct term for a protocol that significantly reduces microbial numbers by using mild chemicals and gentle scrubbing of a small area of skin or tissue?

Degerming Signup and view all the answers

Which method of microbial control involves the use of high temperatures to kill all bacteria, including endospores?

Ultra pasteurization method Signup and view all the answers

Which method of microbial control is commonly used for sterilizing heat-sensitive pharmaceuticals and plastic items?

Ionizing radiation Signup and view all the answers

Which method of microbial control uses UV rays to disrupt DNA replication and protein synthesis, leading to cell death?

Nonionizing radiation Signup and view all the answers

Which method of microbial control involves the use of filters to remove microorganisms from a solution or gas?

Filtration Signup and view all the answers

Which of the following methods of microbial control is slower than moist heat and kills bacteria by oxidizing cellular components?

Dry heat Signup and view all the answers

Which method of sterilization is preferred over moist heat when sterilizing glassware to avoid any residual moisture that can contaminate the surface?

Dry heat Signup and view all the answers

Which method of microbial control kills all vegetative cells on the first day but not spores, and relies on having the proper conditions for spore germination?

Fractional sterilization Signup and view all the answers

Which method of pasteurization uses high temperature for a short time to destroy pathogens associated with milk spoilage?

HTST/Flash pasteurization Signup and view all the answers

Microwaves and Food

Questions and Answers

Which of the following is the most effective method for completely destroying all living microbes, spores, and viruses on an object or in an area?

Which of the following is the correct term for the application of chemicals for removal of potential pathogens from living tissue?

Which metal is commonly used to line incubators to minimize contamination of cell cultures stored inside?

Which of the following microbial control methods is ideal for reducing microbial numbers by using mild chemicals and gentle scrubbing of a small area of skin or tissue?

Which metal is commonly found in eating utensils to inhibit microbial growth?

Which metal is commonly used in swimming pools, fish tanks, and municipal water supplies to kill chlorophyll-obtaining organisms?

Which metal is commonly found in antiseptic mouthwashes?

Which compound is broken down by catalase in tissue and results in a superoxide radical toxic to bacteria?

What is the active ingredient in teeth whitening and used to treat acne?

Which level of germicides has the ability to kill vegetative cells, fungi, viruses, and endospores, leading to sterilization with extended use?

Which method of microbial control involves applying heat above the maximal range for microbial growth, destroying cellular enzymes?

What is the minimal time necessary for killing a population at a given temperature called?

Which method of microbial control involves heating for 15-20 minutes at 121°C with 15 pounds of pressure per inch²?

What is the time it takes for a specific microbial control protocol to produce a one order of magnitude decrease in the number of organisms called?

Which of the following is the main method by which microwaves cook food?

Which of the following is NOT a type of filter used to remove microorganisms from a solution or gas?

Which of the following is true about disinfectants and antiseptics?

Which of the following is a limitation of phenolic compounds as antiseptics?

Which method of sterilization uses pressurized steam at a temperature of 132°C to 134°C for as little as 4 minutes?

Which method of pasteurization is commonly used to kill pathogens associated with milk spoilage?

Which method of sterilization uses X and gamma rays to sterilize heat-sensitive pharmaceuticals and plastic items?

Which method of sterilization uses UV rays to limit airborne and surface contamination?

Which method of microbial control involves the complete destruction/removal of all living microbes, spores, and viruses on an object or in an area?

What is the term for the application of chemicals for removal of potential pathogens from living tissue?

Which of the following is the correct term for a protocol that significantly reduces microbial numbers by using mild chemicals and gentle scrubbing of a small area of skin or tissue?

Which method of microbial control involves the use of high temperatures to kill all bacteria, including endospores?

Which method of microbial control is commonly used for sterilizing heat-sensitive pharmaceuticals and plastic items?

Which method of microbial control uses UV rays to disrupt DNA replication and protein synthesis, leading to cell death?

Which method of microbial control involves the use of filters to remove microorganisms from a solution or gas?

Which of the following methods of microbial control is slower than moist heat and kills bacteria by oxidizing cellular components?

Which method of sterilization is preferred over moist heat when sterilizing glassware to avoid any residual moisture that can contaminate the surface?

Which method of microbial control kills all vegetative cells on the first day but not spores, and relies on having the proper conditions for spore germination?

Which method of pasteurization uses high temperature for a short time to destroy pathogens associated with milk spoilage?

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