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lcunrod7
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what are the three methods used to detroy or reduce undesirable microbes in a given area (decontamination)
physical, chemical, and mechanical
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another name for filaments are
hyphae
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another name for growing and reproducing
trophozoite
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what primary targets are microorganisms capable of causing infection or spoilage
- vegetative bacterial cells, and endospores
- fungal hyphae and spores, yeast
- protozoan trophozolites and cysts
- worms and viruses
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what microbe is highly resistant
bacterial endospores
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what microbes are moderate resistant
pseudomonas sp. mycobacterium tuberulosis, staphlyococcus aureus, protozoan cysts
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what microbes are least resistant
most bacterial vegetative cells, fungal spores and hyphae, yeast, viruses and protozoan trophozoites
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what is the process that destroys all viable microbes, including viruses and endospores
sterilization
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what is a process to destroy vegetative pathogens, not endospores; inanimate objects
disinfection
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what are disinfectants applied directly to exposed body surfaces
antiseptic
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what are any cleansing techniquw that mechanically removes microbes
sanitization
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what reduces the number of microbes through mechanical means
degermation
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what is the absence of microbes in tissue
asepsis
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what is the condition where microbes are present in the blood or tissue
sepsis
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what kill bacteria
- -cide, bacteriocide, fungicide, sporicide
- genocide (causes disease)
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what stays the same, which doesn't grow
static
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what is hard to detect, microbes ofter reveal no conspicuous vital signs to begin with
microbial death
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what is permanent loss of reproductive capability, even under optimum growth conditions
microbial death
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what are the 4 cellular targets of physical and chemical agents
the cell wall, the cell membrane surfactants, protein and nucleic acid synthesis, and proteins
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what becomes fragile and cell lyses; some antimicrobial drugs, detergents and alcohol
cell wall
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what loses integrity; detergent
cell membrane surfactants
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what is the prevention of replication, transcription, translation, peptide bond formation, protein synthesis; chloramphenicol, ultraviolet radiation, formaldehyde
protein and nucleic acid synthesis
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what disrupt or denature proteins; alcohols, phenols, acids, heat
proteins
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what is a change in shape and block protein cite
denaturation
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what is a process where proteins bond together and can no longer perform, disabled
coagulation
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