mindmap 4 Flashcards
1
Q
3 facts about vacuum autoclave B
A
- heats to 134°C, holds for 3mins at 2.25 bar pressure
- more expensive than S type
- suitable for wrapped items
2
Q
3 facts about non-vaccum autoclave N
A
- heats 134°C, holds for 3min at pressure 2.25 bar
- cycle lasts 15 to 20mins
- unwrapped solid items on a tray
3
Q
Testing autoclaves
A
- daily tests are logged
- TST strip every day at same time
- yearly inspection by authorised engineer
4
Q
3 facts about gamma radiation
A
- similar time x-ray radiation
- gamma rays emitted from isotope to destruct living cells by attacking DNA
- used in controlled zones (not dentists)
5
Q
define disinfection
A
destruction of bacteria and fungi but not spores
6
Q
define sterilisation
A
killing all microorganisms and spores to produce asepsis
7
Q
define asepsis
A
absence of all living pathogenic microorganisms
8
Q
3 facts about ultra sonic baths
A
- removes debris by vibrating at ultrasonic frequency
- items should be fully emersed
- weekly safety check and 6 monthly debridement action
9
Q
5 stages of washer disinfector
A
flush, wash, rinse, thermal disinfection m, drying
10
Q
2 six monthly tests for washer disinfector
A
- automatic control to ensure correct temp and pressure is achieved
- chemical dosing to ensure detergent is released
