Antimicrobic Agents (pt1) Flashcards
What is the use of physical procedures or chemical agents to destroy all microbial forms?
Sterilization
What does it mean when something is free of all microorganisms and their spores?
Sterile
What are microorganisms called that are capable of causing diseases?
Infectious
What is the use of physical procedures or chemical agents to destroy, inhibit, neutralize, or remove at least most potentially infectious microorganisms on an object or surface.
Disinfect/Decontaminate
Microbes are _____
Ubiquitous
What are microbes present at a given place and time that are undesirable or unwanted?
Contaminants
What are infections that develop during the course of a hospital stay and not present at the time of admission?
Nosocomial infections
Do most microbes cause disease?
No
How are biosafety levels determined?
by degree of risk
what is BSL-1?
No known potential
What is BSL-2?
HIV and several more unusual pathogens
What is BSL-3?
Highly transmissible, HEPA filter
What is BSL-4?
High infectious exotic, no vaccine
What is an agent or method used to carry out disinfection?
Disinfectant
What is the use of chemical agents on the skin or other living tissue to eliminate or inhibit microorganisms?
Antisepsis
If an organism is thermostable, it is not easily altered by what?
Heat
What is the most resistant type of microbe?
Bacterial endopspore
What is the least resistant microbe?
Enveloped Viruses
Are microbes killed instantly when exposed to chemicals?
No, but they become dysfunctional and die over time
A larger load of contaminating microbes requires a _____ exposure time to destroy
longer