Podcast
Questions and Answers
What is the primary function of adding neutral red to media?
What is the primary function of adding neutral red to media?
- To differentiate between lactose fermenters and non-lactose fermenters (correct)
- To inhibit the growth of Gram-positive bacteria
- To trigger the production of acidic metabolites
- To enhance the growth of Gram-negative bacteria
Which type of culture media is used for the growth of intracellular bacteria?
Which type of culture media is used for the growth of intracellular bacteria?
- Selective media
- Laboratory animals
- Embryonated chicken egg
- Cell / tissue culture (correct)
What is the effect of crystal violet on Gram-positive bacteria?
What is the effect of crystal violet on Gram-positive bacteria?
- It inhibits their growth (correct)
- It enhances their growth
- It has no effect on them
- It makes them lactose fermenters
What is the characteristic of lactose fermenters when grown on media with neutral red?
What is the characteristic of lactose fermenters when grown on media with neutral red?
What is the primary purpose of using embryonated chicken egg in virology?
What is the primary purpose of using embryonated chicken egg in virology?
What is the effect of bile salts on Gram-negative bacteria?
What is the effect of bile salts on Gram-negative bacteria?
What is the primary purpose of a Biosafety Level 4 facility?
What is the primary purpose of a Biosafety Level 4 facility?
Which of the following is NOT a typical example of a pathogen handled under Biosafety Level 1 precautions?
Which of the following is NOT a typical example of a pathogen handled under Biosafety Level 1 precautions?
What is the primary purpose of a biohazard warning sign in a laboratory?
What is the primary purpose of a biohazard warning sign in a laboratory?
Which of the following is a requirement for Biosafety Level 2 precautions?
Which of the following is a requirement for Biosafety Level 2 precautions?
What is the purpose of decontamination of infectious waste in a laboratory?
What is the purpose of decontamination of infectious waste in a laboratory?
Which of the following personal protective equipment (PPE) is NOT typically used in a laboratory?
Which of the following personal protective equipment (PPE) is NOT typically used in a laboratory?
What is the primary reason for using high-level disinfectants on certain medical instruments?
What is the primary reason for using high-level disinfectants on certain medical instruments?
What is the most effective way to disinfect medical instruments and items?
What is the most effective way to disinfect medical instruments and items?
What type of medical instruments are typically treated with intermediate-level disinfectants?
What type of medical instruments are typically treated with intermediate-level disinfectants?
What is the purpose of using low-level disinfectants on certain medical instruments?
What is the purpose of using low-level disinfectants on certain medical instruments?
What is an example of a high-level disinfectant?
What is an example of a high-level disinfectant?
What is the primary difference between high-level and intermediate-level disinfectants?
What is the primary difference between high-level and intermediate-level disinfectants?
Compared to alcohols, iodophors have a similar range of activity but are slightly more ______________ to the skin.
Compared to alcohols, iodophors have a similar range of activity but are slightly more ______________ to the skin.
Chlorhexidine has broad antimicrobial activity, but its effectiveness is decreased by _______________.
Chlorhexidine has broad antimicrobial activity, but its effectiveness is decreased by _______________.
Parachlorometaxylenol is primarily effective against _______________.
Parachlorometaxylenol is primarily effective against _______________.
Triclosan is active against _______________, but not against many other organisms.
Triclosan is active against _______________, but not against many other organisms.
Virusolve+ is highly effective against _______________.
Virusolve+ is highly effective against _______________.
What is the benefit of using parachlorometaxylenol in hand washing products?
What is the benefit of using parachlorometaxylenol in hand washing products?
What is the primary mechanism of action of BSC fumigation?
What is the primary mechanism of action of BSC fumigation?
What is the main reason for fumigating a BSC to prevent the outbreak of highly infectious agents?
What is the main reason for fumigating a BSC to prevent the outbreak of highly infectious agents?
What is the primary characteristic of the chemical used in BSC fumigation?
What is the primary characteristic of the chemical used in BSC fumigation?
How often should BSC fumigation be performed as a part of a regular contamination control regimen?
How often should BSC fumigation be performed as a part of a regular contamination control regimen?
What is the primary benefit of fumigating a BSC before non-routine service?
What is the primary benefit of fumigating a BSC before non-routine service?
What is the significance of using a chemical capable of killing bacterial endospores in BSC fumigation?
What is the significance of using a chemical capable of killing bacterial endospores in BSC fumigation?
