Infection Control Flashcards
1
Q
ESBL
A
Extended spectrum B-lactamase
2
Q
Normal flora in dry areas
A
- coag neg staph
- micrococcus spp.
- Corynebacterium spp.
- Propionibacterium spp.
3
Q
Normal flora in moist areas
A
- staph aureus
- Acinetobacter spp.
- gram neg bacilli
4
Q
Describe chlorhexidine
A
- good gram pos cover, less gram neg
- no mycobacterial or sporocidal activity
- mainly enveloped viruses
- has residual activity
5
Q
Describe alcohol based hand rub
A
- gram pos, gram neg and mycobacteria
- no sporocidal activity
- no residual activity
6
Q
Describe airborne precautions
A
- private room with negative pressure
- 6-12 air change per hour
- gloves, gown, respirator
7
Q
Describe droplet precautions
A
- side room
- masks
- hand hygeine
8
Q
Describe contact precautions
A
- private room
- dedicated equipment
- limit movement
9
Q
Importance of molecular epidemiology
A
- estimate association of risk factors with disease transmission
- detect and confirm outbreaks
- routine screening
- track global spread
- understand virulence and resistance mechanisms
10
Q
Define an outbreak
A
the occurrence of more cases of a particular infection than is normally expected for that place and time
11
Q
How are strains typed?
A
- Antibiograms
- PFGE
- PCR based methods
12
Q
Groups of HBA
A
1 - no disease
2- disease but no spread/Rx available
3 - severe disease and spread/ Rx available
4 - severe disease and high risk spread/ no Rx
13
Q
BSL 1
A
- viable orgs not known to cause disease in healthy people
- std precautions and practive
- not specific barriers
14
Q
BSL 2
A
- Agent known to cause disease in humans
- BSC1/2
- remove PPR when leave lab
- eyewash and autoclave
15
Q
BSL 3
A
- agents commonly transmitted respiratoraly
16
Q
Class 1 hood
A
Exhause protectice cabiney
- HEPA filter
- discharged to outside atmosphere
- negative pressure
17
Q
Class 2 hood
A
- air passes under work surface
- HEPA filter into work area, HEPA, outside
18
Q
Class 3 hood
A
Glove cabinet
- totally enclosed
