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BDS Finals > Disinfection and Decontamination > Flashcards

Disinfection and Decontamination Flashcards

1
Q

RMD

A

Reusable Medical Devices

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2
Q

LDU

A

Local Decontamination Unit

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3
Q

AWD

A

Automatic Washer Disinfector

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4
Q

What two parts of the cleaning cycle occur in the AWD

A

Cleaning and Disinfection

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5
Q

Stages AWD goes through (3)

A

Prewash/flush
Main wash
Rinse

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6
Q

What types of steam steriliser processes wrapped instruments (2)

A
  1. B Type
  2. Vacuum capable
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7
Q

What type of steam steriliser processes unwrapped instruments (2)

A
  1. N Type
  2. Gravity Displacement
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8
Q

Requirements for the box which transports instruments (4)

A
  1. Rigid sided
  2. Leak proof
  3. Tight fitting lid
  4. Colour coded
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9
Q

What must be done before using an AWD

A

Daily checks carried out

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10
Q

Hinged instruments in AWD

A

Must be open at the hinge

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11
Q

SOP

A

Standard Operating Procedure

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12
Q

What is used to inspect instruments after the AWD

A

Illuminated magnifier

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13
Q

What areas should particular attention be paid to on inspection of instruments (3)

A
  1. Hinges
  2. Joints
  3. Textured or threaded surfaces
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14
Q

What to do if instruments are still contaminated after AWD (3)

A
  1. Manually scrub
  2. Ultrasonic bath
  3. AWD again
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15
Q

SHTM

A

Scottish Health Technical Memorandum

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16
Q

MDR

A

Medical Device Regulation

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17
Q

SHPN

A

Scottish Health Planning Note

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18
Q

BSI

A

British Standards Institute

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19
Q

ISO

A

International Organisation for Standardisation

20
Q

Stages of life cycle of re-usable surgical instruments (9)

A
  1. Cleaning
  2. Disinfection
  3. Inspection
  4. Packaging
  5. Sterilisation
  6. Transport
  7. Storage
  8. Use
  9. Transport
21
Q

Chain of Infection (6)

A
  1. Infectious agent
  2. Reservoir
  3. Portal of exit
  4. Mode of transmission
  5. Portal of entry
  6. Susceptible host
22
Q

CPI

A

Combined Practice Inspection

23
Q

Pseudomonas Aeruginosa (3)

A
  1. Gram negative bacilli
  2. Thick polysaccharide capsule
  3. Water borne
24
Q

What microbe is alcohol hand rub ineffective against?

A

C. Diff

25
Q

NP 143

A

National Procurement 143

26
Q

UKCA (2)

A

UK Conformity Assessment mark
CE recognised by both UK and EU but UKCA only recognised by UK

27
Q

How can we break the chain of infection

A

Standard Infection Control Precautions

28
Q

SICP

A

Standard infection control precautions

29
Q

When should SICPs be used

A

By all staff in all care settings at all times

30
Q

SICPs relevant to dentistry (6)

A
  1. Hand hygiene
  2. Personal protective equipment
  3. Safe disposal of waste
  4. Safe management of care equipment
  5. Safe management of care environment
  6. Safe management of blood and body fluid spillages
31
Q

Agents used when dealing with a blood spillage (2)

A
  1. Sodium hypochlorite
  2. Dichloroisocyanrate
32
Q

Contact time for chlorine releasing agents

A

3 minutes OR manufacturers instructions

33
Q

Concentration of chlorine releasing granules used

A

10,000ppm av cl
(available chlorine)

34
Q

Closure mechanisms on sharps bins (2)

A
  1. 1 click for temporary closure
  2. 2 clicks for permanent closure
35
Q

Who is responsible for disposing of sharps

A

The operator only

36
Q

Who is responsible for carrying out a risk assessment following a sharps injury (4)

A
  1. Supervising clinician
  2. Clinician
  3. DN team leader
  4. Named nurse
37
Q

Post sharps injury - what to do if pt refuses bloods

A

Same protocol followed whether bloods are taken or not

38
Q

Sharps injury protocol (9)

A
  1. Stop procedure, investigate area
  2. Inform pt
  3. Make sharp safe
  4. First aid
  5. Notify clinician
  6. Risk assessment
  7. Occupational health
  8. Consent for bloods
  9. Datix
39
Q

What happens to the risk assessment after occupational health have been called for a sharps injury (3)

A
  1. Gets destroyed
  2. Strictly confidential
  3. Not written in patients notes
40
Q

5 WHO moments of hand hygiene (5)

A
  1. Before touching a pt
  2. Before a clean/aseptic procedure
  3. After a procedure or body fluid exposure risk
  4. After touching a pt
  5. After touching a pts surroundings
41
Q

What needs to be done to a handpiece after wash/disinfection and before the steriliser

A

Lubrication

42
Q

Which instrument should never be placed in an ultrasonic bath

A

Handpieces

43
Q

Top 5 causes of handpiece faults

A
  1. Incorrect compressor settings
  2. Damaged/oversized bur
  3. Incorrect usage
  4. Inadequate cleaning
  5. Inadequate lubrication
44
Q

How often should handpieces be serviced

A

Yearly

45
Q

How to guarantee optimal lubrication on handpieces

A

Automatic oil dispensing system

46
Q

Compression maintenance (2)

A
  1. At least weekly
  2. Drain moisture and emulsified oil from receiver
47
Q

Consumer Act 1987

A

We need to verify equipment used has gone through rigorous process

BDS Finals (23 decks)

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