2024-2025 BIO104 Midterm Lab Exam with Answers (95 Solved Questions)
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BIO 104- Midterm Lab exam
100% VERIFIED ANSWER
2024/2025 ALREADY
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Sterilization
the complete destruction or removal of all
microorganisms, including viruses and endospores.
- the organisms may be killed with steam under pressure,
dry heat, radiation, chemicals or incineration
- but it is an absolute value
Disinfection
a process in which vegetative (actively growing)
microorganisms are destroyed on non-living objects
and surfaces (fomites)
- disinfectants are only used on fomites because they
toxic and destructive to living human and animal tissues
- disinfection is the destruction or removal of all microbes
on fomites, except endospores
Degermers
100% VERIFIED ANSWER
2024/2025 ALREADY
PASSED
Sterilization
the complete destruction or removal of all
microorganisms, including viruses and endospores.
- the organisms may be killed with steam under pressure,
dry heat, radiation, chemicals or incineration
- but it is an absolute value
Disinfection
a process in which vegetative (actively growing)
microorganisms are destroyed on non-living objects
and surfaces (fomites)
- disinfectants are only used on fomites because they
toxic and destructive to living human and animal tissues
- disinfection is the destruction or removal of all microbes
on fomites, except endospores
Degermers
agents that physically remove microorganisms from a
limited area of the skin. Mostly a mechanical removal
by soap and water, an alcohol swab, or other agent.
-alcohol is the best
Fomites
any non-living, inanimate object or surface that can
carry and transmit micoorganisms.
- fomites can be safely disinfected
Antisepsis
the destruction or removal of vegetative pathogens on
living tissues (skin, mucous membranes)
Antiseptics
-chemical agents that can be safely applied, externally, to living tissues (skin, mucous
membranes), to destroy or inhibit vegetative bacteria.
-agent capable of producing antisepsis (the
prevention of sepsis by preventing or inhibiting
the growth of disease-causing microorganisms)
Sepsis
1.) the growth (multiplication) of microorganisms in normally
sterile tissues of the body
2.) decay, contamination, purification
3.) the presence of bacteria in blood that are actively
multiplying
limited area of the skin. Mostly a mechanical removal
by soap and water, an alcohol swab, or other agent.
-alcohol is the best
Fomites
any non-living, inanimate object or surface that can
carry and transmit micoorganisms.
- fomites can be safely disinfected
Antisepsis
the destruction or removal of vegetative pathogens on
living tissues (skin, mucous membranes)
Antiseptics
-chemical agents that can be safely applied, externally, to living tissues (skin, mucous
membranes), to destroy or inhibit vegetative bacteria.
-agent capable of producing antisepsis (the
prevention of sepsis by preventing or inhibiting
the growth of disease-causing microorganisms)
Sepsis
1.) the growth (multiplication) of microorganisms in normally
sterile tissues of the body
2.) decay, contamination, purification
3.) the presence of bacteria in blood that are actively
multiplying
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