LDU Managers Module July 2024 Flashcards

1
Q

why is safe ventilation needed

A

minimise airborne transmission in healthcare settings

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2
Q

how many air changes are required per hour in the surgery

A

10

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3
Q

where can you find more information on ventilation

A

SDCEP

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4
Q

what are the changes to LDU teaching

A

no more type N steriliser
no longer using ultrasonic cleaning methods

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5
Q

what non-verbal action can you do to improve patients perceptions on decontamination in dentistry

A

open wrapped instruments in front of patients
ensure LDU is clean and organised

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6
Q

what are the properties of vCJD

A

no DNA or RNA
sticks to steel, hard to kill
resistant to disinfectants, UV light, ionising radiation, ultrasonics, boiling and heat

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7
Q

why do we need sterile instruments

A

reduces probability of infection transmission
international standard for surgical instruments
legislative and professional standards
maintain high quality of care for patients

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8
Q

what does it mean if an instrument is sterile at the point of use

A

packaged and have been in vacuum steriliser

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9
Q

what is the definition of instrument sterility

A

the probability that there are viable microbes on the instrument is equal to or less than 1 in a million by a validated process

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10
Q

how would you deal with infection control with a patient known to have vCJD

A

use single use instruments for increased risk and incinerate materials afterwards

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11
Q

what is the important legislation concerning medical devices

A

Medical Device Regulation (MDR)

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12
Q

what does the MDR do

A

regulates manufacture of medical devices
emphasis on quality management systems
classes devices according to risk of adverse event

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13
Q

what enforces the MDR and what does this mean

A

MHRA
means that medical devices need a UKCA or CE marking

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14
Q

why is the MDR important

A

conformity amongst manufacturers
provide health and safety benefits to patients, users and any other persons at risk

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15
Q

who enforces the health and safety at work act

A

health and safety executive

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16
Q

which 3 of the 9 GDC standards are important with the LDU

A

patients interests first
maintain and develop and work within your professional knowledge
raise concerns if patients are at risk

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17
Q

what is the new guidance document for the LDU

A

SHTM 01-05

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18
Q

what does the SHTM 01-05 indicate

A

daily ACT is removed for a fully validated and maintained machine if in line with manufacturers IFUs
handpieces are to be processed in WD and steriliser in accordance with manufacturers IFUs

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19
Q

what does the CPI do

A

provide efficient and effective single system that meets the needs of all bodies with responsibility for inspection

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20
Q

what does the DPI do

A

undertake inspections of GDP, community and salaried dental service sites using the national combined inspection checklist

21
Q

what does the DPA do

A

provide support and advice to GDPs and others by a variety of contacts including visits to assist in helping practitioners to meet required standards

22
Q

why do unannounced inspections occur

A

when patient safety concerns were raised during previous routine inspection by NHS boards

23
Q

what are some essential criteria of the CPI

A

appropriate hand hygiene products
washer disinfector is suitable

24
Q

how many hours of NES training must you do for IPC for the CPI inspection

A

3 hours every 3 years

25
how can we reduce dentistry plastic
avoid single use where possible use glass/steel dappens pots audit to see how much plastic we are using advertise alternative, non-plastic oral hygiene products
26
how can we implement reduce, reuse, recycle into dentistry
reduce bulk buying reuse mouthwash cups recycle instruments/sterilisation pouches
27
what is the virulence factor of staph aureus
panton valentine leucocidin (PVL)
28
what does PVL do in staph aureus
kills leukocytes by punching holes in the leukocyte membrane setting off inflammatory events
29
what are the 2 strains of staph aureus
flucloxacillin sensitive flucloxacillin resistant (MRSA)
30
what do you treat flucloxacillin sensitive staph aureus with
flucloxacillin
31
what do you treat flucloxacillin resistant staph aureus with
vancomycin
32
what tests are used to verify decontamination processes
bowie dick helix chemical test residual protein test
33
what should the contaminated instruments be transported in
durable leak proof rigid sided colour coded tight fitting lid
34
what are the daily tests for the WD
spray arms filter door seal chemical level load carrier record cycle data
35
what are the basic requirements for instrument loading in the WD
no overlapping do not overload utilise load carrier disassemble instruments forceps open at the hinge restorative material removed
36
what does flush do
remove gross contamination
37
what does wash do
remove biological matter
38
what does rinse do
remove residue
39
what is the temperature and hold time for thermal disinfection
90-95 degrees for 1 minutes
40
what does drying do
remove excess moisture
41
what do we check for in the inspection stage
residual contamination functionality damage or corrosion
42
what chemicals are used for manual cleaning
pH neutral or enzyme detergent
43
what are the daily checks for the steriliser
load carrier and chamber door seal fill feed water reservoir drain used water reservoir
44
what are the tests for the type B steriliser
bowie dick/helix air leakage (weekly) air detector function
45
what are the temperatures for each of the WD stages
flush <35 wash (depends) rinse (<65) thermal disinfection (90-95) drying (100+)
46
how many air changes per hour is required for a procedure room and what guidance states this
10 per hour SHTM 03-01
47
where are you meant to place your extraction unit and what guidance states this
in a plant room/utility room separate to procedure room SHPN 36 part 2
48
what does successful steam sterilisation require
saturated steam temperature direct contact with load for minimum period of time