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PatientSafety > Decontamination > Flashcards

Decontamination Flashcards

1
Q

In a Washer Disinfector the standard disinfection temperature banding is 90-95 degrees for the disinfection stage. What is the minimum hold time for this stage.

A

1 minute

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2
Q

What is the standard sterilisation temperature band for non temperature sensitive equipment

A

134-137 degrees

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3
Q

Simon hasn’t been doing decontamination very long. Today there are some forceps that require manually washing before further processing. He can’t really remember the correct volume of chemical to dose, his best bet would be to check the side of the chemical container

A

True

Dilution is essential for the efficacy of the chemical
We should follow the manufacturers recommendations when dosing chemicals to make sure we add the right volume for the correct level of dilation

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4
Q

On the life cycle of instruments diagram (circular diagram), what stage follows cleaning

A

Disinfection

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5
Q

What is the standard sterilisation stage hold time when sterilising non temperature sensitive equipment and instrumentation

A

3 minutes

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6
Q

What is the optimal temperature of the water in the sink if you are having to manually wash

A

30-35 degrees

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7
Q

What should never be processed in an Ultrasonic bath
Question 10 Select one:

a.
Handpieces

b.
Matrix bands

c.
Mirrors and probes

d.
Forceps

A

A

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8
Q

A hand piece rotates at extremely high speeds and it is essential that they are lubricated adequately. At what stage in the decontamination process should they be lubricated.
Question 11 Select one:

a.
After being processed in the AWD

b.
After sterilisation

c.
After manual washing and before inspection

d.
At the end of the process

e.
At the start of the process

A
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9
Q

The chemical reservoir on the washer disinfector is running low and must be topped up. What type of detergent should i be using?

A
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10
Q

You have just purchased new instrumentation. What stage do they enter the decontamination process
-transport
-cleaning
-disinfection
-inspection
-packaging

A

Cleaning

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11
Q

If you want instruments to be sterile at the point of use, How should they be processed?

-unwrapped through a type B steriliser
- wrapped through a vaccum capable steriliser
-wrapped through a type n steriliser
-wrapped following a type b process

A

Wrapped though a vaccum capable steriliser

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12
Q

What is the first stage of vaccum capable,or,porous load ( type B) steriliser
- heat up
- positive pulsing
- negative pulsing
- steam admission

A

Negative pulsing

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13
Q

What stage of the decontamination cycle does SHTM01-01 part D relate to

  • process management
  • sterilisation by steam
  • cleaning and disinfection
  • inspection and packaging
A

Cleaning and disinfection

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14
Q

What are the 5 stages of the washer disinfector

A

Flush - prewash - removes gross contamition
Main wash - supplemented by detergent to remove more biological matter
Rinse - removes any remaining residue
Thermal disinfection - actively kills microorganisms
Drying - removes any remaining moisture from instruments

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15
Q

What are the loading requirements in the washer disinfector - give 5 things

A

The carrier basket furniture must be used
Clip trays must be positioned correctly
No overlapping or shadowing of the equipment
Hinged instruments must be opened at hinge
All assemblies must be disassembled before hand

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16
Q

What temperatures must be the sterilisers achieve and for a minimum of how long

A

They must reach a temp of 134-137 for a minimum of three minutes

17
Q

What is the best practice system for the storage and managment of instruments

A

First in first out
Clean dry and free from aerosol contamination
Away from direct suinglght

18
Q

The sinner circle is 4 key elements that are required for a successful cleaning process what are these

A

Energy
Temperate
Chemicals
Time

19
Q

What is the time and temperature for thermal disinfection

A

90-95 degrees for minimum 1 minute

20
Q

What are the 4 methods which pure water can be produced from tap water

A

Distilled
De-ionised
Revere osmosis
Sterile

21
Q

What are the requirements of an instrument transport box -5 things

A

Durable
Leak proof
Rigid sided
Colour coded and clearly marked
With a tight fitting lid

22
Q

If manual cleaning the instruments what should be temperate be below and why

A

Below 35 degrees to stop the proteins coagulating

23
Q

Before running any cycles in the WD what needs to be ran first

A

De gas cycle

24
Q

What is the name of the steam penetration test that must be ran daily on sterilisers

A

Bowie-dick

25
Q

What cannot be processed in a type n steriliser

A

Wrapped instruments
Channeled or lumened instruments

26
Q

Instruments are sterile at the point of use from which steriliser and why

A

From a type B steriliser and this is because they are wrapped

27
Q

What is the name of the guidance we must follow for decontamination

A

Scottish health technical memorandum
SHTM 01-10

28
Q

If you want instruments to be sterile at that point of use how should they be sterilised

A

Wrapped through a vacuum capable sterilsier

29
Q

What is the first stage of a vacuum capable, or, porous load ( type b) steriliser
- heat up
- positive pulsing
- negative pulsing
- steam admission

A

Negative pulsing

30
Q

What stage of the decontamination cycle does SHTM 01-01 part D relate to

  • process managment
  • sterilisation by steam
  • cleaning and disinfection
  • inspection and packaging
A

Cleaning and disinfection

31
Q

Which of the following is a framework for the purchase of decontamination equipment

  • SHTM
  • BS EN
  • NP 143
  • SHPN 13 part 2
A

NP143

32
Q

What document can you find a description of what a medical device is ?
- SHTM
- GUID
- MDR
- BS EN

A

MDR

Medical device regulation

33
Q

You have duty under what ;act; to ensure that all of you equipment and devices are produced to required high standards?

A

Consumer protection act 1987

34
Q

What is a standard operating procedure in decon

A

It is the way we standardise our activity within the department and make it reproducible and consistent

35
Q

What is the definition of a user in decontamination

A

The use is defined as the person designated by management to be responsible for the managment of the a WD

36
Q

When installing equipment and designing a facility for decontamination what guidance must be referenced

A

SHPN

Scottish health planning note

37
Q

For each instrument on a weekly basis what needs to be carried out

A

A full ACT - automatic control test

PatientSafety (2 decks)

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