parasite et pathogénicité Flashcards

1
Q

tout type de parasites

A

virus, bactéries, mycètes protozoiaire et helminthes

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2
Q

hote où maturité sexuelles

A

hote final

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3
Q

hote essentiel développement parasite

A

intermédiaire

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4
Q

hote qui sert véhicule

A

vecteur

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5
Q

hote sert a infecter

A

réservoir

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6
Q

diff infection et maladie infectieuse

A

infection=invasion
maladie= déreglement fonctionnement normal

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7
Q

diff patho primaire et opportuniste

A

primaire cause maladie et opportuniste peut etre patho ou pas, ca depvend conditions

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8
Q

diff pouvoir patho et virulence

A

patho =capacité a avoir sympthome grave
virulence

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9
Q

capacité a former foyer infectieux

A

pouvoir infectieux

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10
Q

pouvoir a produire toxine

A

toxinogène

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11
Q

facteur important d’infection

A

dose infectante
virulance
résistance de l’hote

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12
Q

facteur résistance de l’hote

A

prédisposant/généique traitement …
barrière physique /peau/ muqueuse
chimique

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13
Q

methode koch etinconvénients

A

isoler colonie/id
infecter hote
isoler/id

microorg =pas capable pousser milieu
microorg=meme symptomes/meme maladies

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14
Q

pénétration pathogène 2 moyens

A

passif= coupure basicc
enzyme exracellulaire comme cordycepts

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15
Q

toxémie?

A

toxine dans sang

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16
Q

endotoxine sont quelle type molécules? et comment sont libéré

A

lipides/scharide
lyse cellules

17
Q

concentration exotoxine et endotoxines?

A

exo=faible
endo=grande

18
Q

comment cancel exotox

A

formaldéhyde= empeche séparation en 2/activation

19
Q

catégories exotoxine

A

neurotoxines
entérotoxines
cytotoxine
leucocines
hémolysine

20
Q

caractéristique endotoxines

A

thermostables
forte concentration
tough a avoir des anticorps
fievre