11 Questions
What is the difference between 'liquid chemical sterilants' and intermediate level disinfection?
Liquid chemical sterilants completely kill all microorganisms, including spores, while intermediate level disinfection only destroys all vegetative bacteria, most viruses, and most fungi.
Define antisepsis and antiseptics.
Antisepsis is the destruction or inhibition of microorganisms on living tissues, while antiseptics are agents used for this purpose, applied to skin and mucous membranes.
What is the purpose of using preservatives?
The purpose of using preservatives is to prevent microbial spoilage of products and to minimize the risk of causing infection to the consumer during the use of the product.
What is the role of sanitizers in the public health context?
In the public health context, sanitizers refer to agents that reduce the number of bacterial contaminants to a safe level.
List three factors that affect the choice of biocide.
Properties of the chemical agent, intended application, and environmental factors.
What are biocides?
Chemical agents that have the ability to destroy or inhibit the growth of microorganisms.
What is the purpose of disinfection according to the British Standards Institution?
To reduce microorganisms to a level acceptable for a defined purpose, such as a level which is not harmful to health nor to the quality of goods.
What is the primary action that disinfectants should have?
Bactericidal action to destroy the bacterial population and make the environment free from the ability to cause infection.
What are the different levels of disinfection exerted by chemical disinfectants?
High level disinfection: destruction of all microorganisms but not necessarily all bacterial spores.
What led to the increase in the biocide market in the US to about $2 billion per year?
The increase in concerns about bacterial and other pathogenic threats, and the increase in awareness about hygiene at home or work.
Name one of the uses of biocides mentioned in the text.
Medical, healthcare, livestock, environment, coatings, plastics, pharmaceuticals, food & beverage manufacturing, and cosmetics.
Test your knowledge about chemical disinfectants, antiseptics, and preservatives with this quiz. Explore the uses of biocides in various industries such as medical, healthcare, livestock, environment, coatings, plastics, pharmaceuticals, food, and beverage manufacturing. Understand the importance of biocides in addressing bacterial and pathogenic threats and promoting hygiene at home and work.
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