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TCC Nebauer Vocab 5

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Phenol coefficient   method evaluate effectiveness  
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Thermal death time   time to completely sterilize liquid at set temperature  
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Selective toxicity   more toxic to pathogen than host  
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Desiccation   preserve by drying  
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Lyophilization   freeze-drying  
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Nonionizing radiation   UV light  
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Oxidizing agents   release oxygen radicals  
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Surfactants   soaps break up oils  
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Aldehydes   Cross-link functional groups in proteins or DNA  
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Mimimum inhibitory concentration   smallest amount of drug, inhibit growth  
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PABA   microbes need to this make nucleic acids  
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B-Lactamase   enzyme bacteria resistant to penicillin produce  
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Nucleotide analogs   structural similarity, normal nucleotide  
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Broad spectrum   effective, wide variety of microorganisms  
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Synergism   drug enhances effectiveness of another  
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R-Plasmids   extra chromosomal pieces of DNA  
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Autoclave   sterilizes by using steam and pressure @ 121 C for 20 min.  
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Cross resistance   resistance antimicrobial agent = resistance to similar drugs  
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Parenteral route   pathogens deposited beneath the skin  
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Adhesion factors   proteins allow microbes adhere to tissue  
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Syndrome   group of symptoms/signs characterize disease  
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Subclinical   unnoticed infection; lack of symptoms  
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Etiology   study cause of disease  
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Toxemia   toxins in blood stream  
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Virulence factor   ability to infect and cause disease  
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Prodromal period   short period, mild symptoms, precedes illness  
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Endotoxin   Lipid A gram negative bacteria  
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Resorvoirs   Where pathogens are maintained  
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Fomite   inanimate objects, transmit pathogens  
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Biological vector   animals act as both host and vector  
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Incidence   new cases of disease during a given time  
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Zoonotic disease   disease from animal host to human  
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Endemic   relatively stable disease frequency in a given area  
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Index case   first identified patient; disease in given area  
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Pandemic   epidemic more than one contenent  
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Nosocomial infection   disease acquired in health care setting  
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latrogenic infection   acquired through medical procedures  
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Endogenous infection   normal microbiota becomes a pathogen  
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Latent disease   pathogen inactive, later reactivated  
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Chronic disease   Develops slowly and is continual or recurrent  
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