cours 4.1 Flashcards

1
Q

Sterlisation

A

Elimin complète mcg org
(veget + sporulé)
obj inaninm

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2
Q

Desinfection

A

Elim agent path veget (pas endosp)

obj inanim

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3
Q

Decontamination

A

Reduc pop microb à un niveau sans danger selon normes

obj inanim

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4
Q

Antisepsie

A

Agents chimique applique sur des surf corps pour detruire ou inhiber agents pathog

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5
Q

Chimiothérapie

A

Agents chimiques pour detruire ou inhiber croissance microorg à l’int tissus hotes

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6
Q

Facteurs biologiques affectant efficacité agent antimicrobine

A

Taille pop

Compo pop

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7
Q

Facteurs chimiques affectant efficacité agent antimicrobine

A

concentr agent

Temps de contact

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8
Q

Facteurs envirnm affectant efficacité agent antimicrobine

A

Temperature
pH (varie)
Mati. org

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9
Q

Agents chimique controle microorg

A
Composé phenolique
Alcool
aldhyde
Halogene
-
Agent de surface
Agent oxydant
Agent addift de consomation
-
Metaux lourd
Gaz sterlisant
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10
Q

Détaillez les composé phenolique et mode action

A

Phenol
1er antiseptique et desinfectant
-
mode ction: Endommage membrane plasmique
et denature prot plus hautes concentration

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11
Q

Détaillez composé alcool

et mode action

A
Désinfectant et antiseptique
Bactéricides et fongicide
pas sporicides
-
Mode action:
Denature prot
Dissolut lipide membrn
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12
Q

Détaillez compoé agent oxydant

A
*Peroxyde d'hydorgene
Antispetique
Desinfectant
-
*Peoxyde benzoyle
*Acide peracétique
tue bact veget/endospo/virus Désinfectant
-
*Ozone
Désinfection eau potable
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13
Q

Detailles agent chimique

‘‘Halogène’’

A
Iode:
Actif cntr tous type de bact
Inactive enzyme/prot en 
Fluor:
Dentifirce
Chlore:
Eau et tout
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14
Q

Detaillez agent chime ‘‘metaux lourd’’

A

Desinfectant ou antiseptique

Inactive enzym/prot en s’y fixant

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15
Q

Detaillez additif de conservtion

A
Retarde deterioration aliment
-
*Dioxydee de soufre
(Desinf vinification)
*Acide carboxylique
(perturbe metb microbe)
*Nitrate/Nitrite
(inhibe enzyme Fer)
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16
Q

Detaillez agent de surface

A
  • Agent surfactant:Tensioactifs
  • Savon
  • Détergents anioniques
  • Détergents cationiques
17
Q

Détailles agent ‘‘Aldhéyde’’

A

Se combine aux acides nucléiques et prot
Inactive par pontage et alkylation
-
Bact/fongi/viru/algicide