Decontamination Flashcards

1
Q

it is the cleansing of objects or substances

A

decontamination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

it is when you remove soil and pathogenic microorganisms from objects for safe use and handling

A

decontamination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the things u should decontaminate?

A
  • potentially infectious material before disposal
  • equipment & work surfaces
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the 4 things you should remember when you decontaminate?

A

you decontaminate:
1. with proper disinfectant for the agent
2. after spills or contamination
3. when work is finished
4. equipment before removal from the blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the four levels of decontamination?

A
  1. sterilization
  2. disinfection
  3. antisepsis
  4. cleaning
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

it is the highest level of decontamination

A

sterilization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

it eliminates all forms of life including spores

A

sterilization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

it is less lethal, and it eliminates nearly all but not all spores

A

disinfection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

it is the application of liquid antimicrobial chemicals to skin or living tissue to inhibit or destroy micro-organisms. It only eliminates BACTERIA

A

antisepsis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

it involves water, detergent, and some mechanical action, such as scrubbing with gloved hands and brushes

A

cleaning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

enumerate the different types of decontamination for living tissues

A

chemical
thermal
radiation
filtration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the most effective chemical for chemical decontamination?

A

Quaternary Ammonium Compounds (Benzalkonium Chloride)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

it is a chemical that gives an emulsifying effect because of detergent product attacking the cell wall of cells

A

Quaternary Ammonium Compounds (Benzalkonium Chloride)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

give five chemicals used for chemical decontamination:

A

any of the following:
-halogens
-aldehydes (formaldehydes, gluteraldehydes)
-phenols
-alcohols
-acids & alkalis
-oxidizing agent (hydrogen peroxide)
-Quaternary Ammonium Compounds (Benzalkonium Chloride)
-biguanides (chlorhexidine)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

enumerate the factors affecting disinfection

A
  1. number of microorganisms
  2. location of microorganisms
  3. innate resistance to disinfectant
  4. product factors
  5. surface topography
  6. biofilm
  7. concentration and potency of disinfection
  8. physical & chemical factors
  9. appropriate contact time
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the two types of resistance?

A

Intrinsic resistance
acquired resistance

17
Q

what type of resistance is natural

A

intrinsic resistance

18
Q

what type of resistance involves genetic changes and the use of disinfection at sublethal levels

A

acquired resistance

19
Q

what is that thing gram-negative (-) bacteria have that makes them not die from disinfectants?

A

lipopolysaccharides

20
Q

it considers the age of the product or solution, method of application (spray or wipe), rate of application, & storage condition

A

product factors

21
Q

about cracks and crevices that needs to be repaired

A

surface topography

22
Q

microbial communities

23
Q

refers to the temperature, ph, relative humidity, & water hardness

A

physical and chemical factors

24
Q

what is the appropriate time for surface disinfection?

25
what is the appropriate time for instrument soaking?
20 minutes
26
it is a strong heated container used for chemical reactions and other processes using high-pressure and high temperature
autoclave
27
what kind of heat and ginagamit sa autoclave? wet or dry?
wet heat
28
nganong wet heat ang ginagamit sa autoclave?
-mas effective -steam sterilization
29
what is the principle of using the autoclave?
steam under pressure
30
what are the specific measurements for using autoclave?
temp: 121degrees Celsius pressure: 15PSI time: 1 hour
31
what is the most dependable system for decontamination?
autoclave
32
what are the possible hazards in autoclave
1. explosive breakage from vessel 2. burns arising from careless handling 3. burns resulting from physical contact
33
what can be autoclaved?
1. pathogenic plant matter 2. culture and stocks of infectious agents 3. contaminated solids 4. discarded live or attenuated vaccines 5. animal tissues and cage wastes
34
what should not be autoclaved?
1. corrosive material 2. radioactive material
35
how often should you clean the trap of an autoclave?
once a week
36
how often should you clean the surrounding?
after EVERY use