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Micro Test 1
sessions 1-20
21
Biology
Professional
09/27/2008

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Term
Pathogenicity
Definition
a disease producing quality

the ability of an organism to infect a susceptible host genetype and cause disease
Term
Virulence
Definition
ability of a microbe to cause disease

the degree of disease caused by a pathogen genotype under appropriate conditions. Akin to agressiveness
Term
Commensals
Definition
the microbial population that colonizes the human body making up the microbial flora
Term
Pathogen
Definition
microbial species that are capable of causing disease
Term
Strict Pathogen
Definition
microorganisms that are always associated with disease
Term
Opportunistic pathogen
Definition
organism that are often part of normal host flora and can estabolish disease under certain conditions
Term
Community acquired pathogens
Definition
those infections caused by bacteria acquired outside the hospital setting
Term
Noscomial Pathogens
Definition
hospital acquired microbes
Term
(re)emerging pathogens
Definition
new, reemerging or drug-resitant infections whose incidence in humans has increased within the past few decades or whose influence threatens to increase in the near future
Term
Moraxella
Definition
found in membranes of humans
mose species are nonpathogenic
Term
M. lacunata
Definition
can be isolated from the eyes and may cause conjunctivitis
Term
M. nonliquefaciens
Definition
found in the upper respitory tract esp. nose and mouth
Term
M. urethralis
Definition
can be isolated form urine and genital tract
can be mistaken for gonorrhoeae
Term
M. catarrhalis
Definition
member of the normal flora of school children
can cause sytemic infactions such as [pneumonia, meningitis, and endocarditis
Term
Eikenella Corrodens
Definition
part of the gingiva and bowel or normal humans
occurs frequently in human bites
resistant to clindamycin
Term
Kingella kingae and K. dentrificans
Definition
part of the normal flora
enter the system during minor oral trauma
Term
Haemophilus influenze
Definition
two types:
type b and nontypable
Term
A. a.
Definition
unique leukotoxin encoded by IKtA gene that contributes to the killing of human neutrophils and monocytes
- also have the unique antenna (EmaA)
Term
B. pertussis
Definition
only colonizes ciliated cells of resp.
three stages and most infectious in the first, but feel better
Term
brucellosis
Definition
sever acute febrile disease
Term
francisella tularenis
Definition
causes tularemia - glandular fever which can lease to pneumonia
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