tests de sensibilisation 7.1.3 Flashcards

1
Q

cest quoi la beta lactamase

A

un enzyme qui ouvre le noyau beta lactame de la molecule des phenames et cephemes

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2
Q

questce qui inactive lantibiotique dans la beta lacatamse

A

la modification des molecules

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3
Q

la bacterie productrice de bata lactame est resistante a quoi

A

plusieurs antibiotiques

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4
Q

nomme les 6 especes bacterinne pour lesquelles ont doit effectué une beta lactamase

A

neisseria
haemophilus influenzae
moraxella catarrhalis
staph aureus(resist. a peniciline)
enteroccocus(resist, a ampiciline
anaérobies

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5
Q

nomme les 3 methodes pour detection de beta lactamase

A

methode iodometrique
colorimetrique/acidometrique
methode chromogenique

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6
Q

cest quoi un BLSE

A

un beta lactamase spectre large

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7
Q

quarrive il quand certaines bacilles gram neg on un BLSE

A

inactive selectivement certaines cephalosporines

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8
Q

ou retrouve on le plus souvent des bacteries BLSE

A

klebsielle et E coli

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9
Q

quelle souches de klebsiella et de e coli qui douvent etre signalées au microbiologiste

A

si il demontrent une resistance aux cephalosporines de 3e generation

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10
Q

methode pour depistage des bacteries BLSE

A

kirby bauer

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11
Q

temps incubation BLSE

A

16-18heures

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12
Q

temperature BLSE

A

35C

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13
Q

millieu de culture BLSE

A

mueller hinton

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14
Q
A
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