Classification bactérienne, flores et pathogènes Flashcards

1
Q

Étapes coloration de Gram

A

1) Fixation
2) Crystal Violet
3) Iodine Tx
4) Decolorization
5) Counter stain safranin

Gram + –> Bleu à fin
Gram - –> Rouge à fin

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2
Q

Classification bactéries aérobies (Gram +) ?

A

Cocci
- Amas
- Staphylocoque
- Chaines
- Streptocoque
- Entérocoque

Bacilles

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3
Q

Classification bactéries aérobies (Gram -) ?

A

Cocci
- Neisseria
- Moraxella C

Bacilles
- Entérobactéries
- Bacilles non-fermentaires (pseudomonas)
- Fastidieux

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4
Q

Classification bactéries aérobies (Gram +, Staphylocoques) ?

A

Coag +
- Staph aureus

Coag -
- Staph epidermis
- Staph saprophycticus

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5
Q

À quoi sert le test de coagulase

A
  • Pour ID la bactérie
  • Analyser la virulence de la bactérie
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6
Q

Classification bactéries aérobies (Gram +, Streptocoques) ?

A

Beta-hemolytique
- Strept pyogenes (Antigene polysacch Groupe A)
- Antigene polysacc Groupes B, C, D, F, G

alpha-hemolytique
- Strept pneumoniae
- Strept groupe viridans

gamma-hemolytique
- Entérocoque (strept bovis)

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7
Q

Beta-hemolytique = ________

A

Hemolyse complete

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8
Q

alpha-hemolytique = ________

A

hemolyse partielle

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9
Q

gamma-hemolytique = ________

A

aucune hémolyse

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10
Q

Classification bactéries aérobies (Bacilles gram + aérobies)

A

Sporulés
- Bacillus spp

Non sporulés
- Corynéformes (cornebacterium spp)
- Droits (listeria) –> meningites acq en communité

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11
Q

Classification bactéries aérobies (Bacilles gram -)

A

Entérobactéries
- E. Coli
- Proteus
- Enterobacter

Bacilles non fermentaires
- Pseudomonas
- Acinetobakter
- Burkholderia…

Autres
- Vibrio
- Aeromonas
- Etc

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12
Q

Classification bactéries anérobies (anaérobes)

A

Gram +
Cocci
Bacille (clostridium : C difficile, c. botulinum)

Gram -
Cocci
Bacille (bacteroides, etc)

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13
Q

Bactéries atypiques/intracellulaires

A
  • Besoin d’une cellules pour reproduire

Exemples :
- Legionella pneumophila
- Chlamydia trachomatis
- Chlamydophila pneumoniae
- Mycoplasma

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14
Q

Flores et Pathogènes (ORL)

A

1) Strepto pneumoniae
2) Moraxella catarrhalis
3) Haemophilus influenzae

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15
Q

Flores et Pathogènes (Grele + Colon)

A

1) Enterobacteries
2) Enterocoques
3) Strepto viridans
4) Anaerobes
5) Levures

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16
Q

Flores et Pathogènes (Peau)

A

1) Streptocoque B-hemolytique
2) S. aureus

17
Q

Flores et Pathogènes (Bouche)

A

1) Streptocoque viridans
2) Eikenella
3) Anaérobes
4) Levures (champignons)

18
Q

Le moraxella catarrhalis est retrouvée ou?

A

ORL

19
Q

Les levures sont retrouvées ou?

A

Grele, Colon + Bouche

20
Q

S. aureus est retoruvée ou?

A

Peau

21
Q

Strept Viridans est retrouvée ou?

A

Bouche et Grele + Colon