Disinfectants and Antiseptics Flashcards
What is a disinfectant?
a chemical agent used to control the growth of microorganism on inanimate objects
Disinfectants acts as what?
cidal agents
what are cidal agents?
They have lethal effects on microbial forms
agents can be described as what?
bacteriocidal,
virucidal,
sporicidal,
tuberculpcidal,
germicaidals
What are static agents?
chemical agents that are not lethal to a microbe but only inhibits growth while the agent is present
What is an antiseptic agent?
an agent used to inhibit the growth of microbes on skin and mucous membranes is an example of bacteriostatic agent
What are the factors that influence the effectiveness of chemical agent?
Time exposure,
temperature,
ph,
nature of organism present
What did we do in the disinfectant experiment?
Evaluate the effectiveness of several disinfectants and antiseptics as antimicrobial agents
What bacteria did we use in the disinfectants?
Bacillus subitilis and E.coli
What microorganisms are most susceptible to disinfectants?
Gram-positive bacteria are more susceptible to chemical disinfectants while mycobacteria or bacterial endospores are more resistant
What is Susceptibility?
a tendency to be affected by something.
