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Microbiology Cscc Romain Test 2 Questions And Answers Well Elaborated Latest Updated|2024
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Microbiology Cscc Romain Test 2 Questions And Answers Well Elaborated Latest Updated|2024
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Microbiology Cscc Romain Test 2Questions And Answers Well Elaborated
Latest Updated|2024
What are ways in which microbial control has been achieved historically? -
ANSWER✔✔Food preservation. Controlling disease. Drinking water preservation.
The ending "cide" means? - ANSWER✔✔To kill
The ending "stasis" means? - ANSWER✔✔To stand still
Which "cide" term is generic and only mean that you are killing some microbes? -
ANSWER✔✔germicide and microbicide
if you can destroy _____ then you can destroy anything - ANSWER✔✔sporicide
regarding the term "stasis", are you killing anything? - ANSWER✔✔no
how do you put an organism in a static state? - ANSWER✔✔stop the growth so
the cells are not actively dividing
when is something in a state or microbial death? - ANSWER✔✔when cells are no
longer reproducing, and the structure is dysfunctional
is death instantaneous? - ANSWER✔✔no it continues in a logarithmic manner
,what are some physical control examples? - ANSWER✔✔heat. infiltration.
irradiation. mechanical removal.
what are some chemical control examples? - ANSWER✔✔antimicrobial
chemicals.
sterilization means: - ANSWER✔✔removal of all microorganisms
disinfection means: - ANSWER✔✔eliminates most pathogens
pasteurization is: - ANSWER✔✔a brief heat treatment used to reduce organisms
that cause food spoilage
which three terms are generic and mean that you are reducing the microbial
population? - ANSWER✔✔decontamination, degerming, sanitizing
which term means that you are adding something or using a process that delays the
spoilage of perishable items? - ANSWER✔✔preservation
how do microbial control methods vary depending on your needs? -
ANSWER✔✔depend on the situation and degree of control that is required.
choosing a microbial control procedure depends on what factors? -
ANSWER✔✔type of microbe
extent of contamination-number of organisms
environment
risk of infection
, composition of infected item
what are some of the hardest microbes to kill? - ANSWER✔✔endospores (hardest)
naked viruses
why is heat useful as a control method? - ANSWER✔✔destroys most
microorganisms and visuses
what are some examples of moist heat? - ANSWER✔✔boiling
pasteurization
steam
what are examples of dry heat? - ANSWER✔✔dry heat oven
incineration
why is moist heat more effective than dry heat? - ANSWER✔✔requires less time
and lower temperature
how does filtration work for microbial control? - ANSWER✔✔the filter is small
(pore size) and only allows certain things through it, leaving behind organisms that
are not wanted in the filter
what types of things can be filtered? - ANSWER✔✔water
air
what does radiation affect in the cell? - ANSWER✔✔atoms
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