module 3 ppt 3.2 Flashcards

1
Q

ou est retrouver le legionella pneumophila

A

systeme avec circulation d’eau

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2
Q

elle peut se multiplier a quelle temperatures

A

20 a 43C

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3
Q

elle peut survirvre a quelle temperatures

A

40 a 60C

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4
Q

comment est elle transmit

A

inhalation aerosols

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5
Q

le legionella pneumophila produit il un biofilm

A

oui

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6
Q

cest quoi la maladie du legionnaire

A

une pneumonie severe

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7
Q

cest quoi la maladie de pontiac

A

pneumonie moins severe

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8
Q

quelle serogroupe de legionella est la cause majeure de maladie legionnaire et la fievre pontiac

A

serogroupe 1

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9
Q

taux de mortalité

A

15 a 30%

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10
Q

pourquoi pas de saline dans pot sec sterile

A

le legionella peut etre inhibé par la presence de sodium

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11
Q

gram legionella

A

bacille gram neg

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12
Q

il est recommandé quoi pendant la coloration de gram

A

safranine 10 minutes

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13
Q

millieu de culture gelose

A

buffered charcoal yeast extract

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14
Q

legionella pousse tu sur gelose sang

A

non

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15
Q

combien de temps sont incubé les geloses

A

10 jours

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16
Q

croissance apres combien de jours gelose BCYE

17
Q

sensibilité test ag urinaire

18
Q

specificité test ag urinaire

19
Q

on peut detecter l’antigene a partir de quelle journée dinfection

A

3e journée

20
Q

le legionella est il maladie a declaration obligatoire