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
Q

how can we reduce dentistry plastic

A

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
Q

how can we implement reduce, reuse, recycle into dentistry

A

reduce bulk buying
reuse mouthwash cups
recycle instruments/sterilisation pouches

27
Q

what is the virulence factor of staph aureus

A

panton valentine leucocidin (PVL)

28
Q

what does PVL do in staph aureus

A

kills leukocytes by punching holes in the leukocyte membrane setting off inflammatory events

29
Q

what are the 2 strains of staph aureus

A

flucloxacillin sensitive
flucloxacillin resistant (MRSA)

30
Q

what do you treat flucloxacillin sensitive staph aureus with

A

flucloxacillin

31
Q

what do you treat flucloxacillin resistant staph aureus with

A

vancomycin

32
Q

what tests are used to verify decontamination processes

A

bowie dick
helix
chemical test
residual protein test

33
Q

what should the contaminated instruments be transported in

A

durable
leak proof
rigid sided
colour coded
tight fitting lid

34
Q

what are the daily tests for the WD

A

spray arms
filter
door seal
chemical level
load carrier
record cycle data

35
Q

what are the basic requirements for instrument loading in the WD

A

no overlapping
do not overload
utilise load carrier
disassemble instruments
forceps open at the hinge
restorative material removed

36
Q

what does flush do

A

remove gross contamination

37
Q

what does wash do

A

remove biological matter

38
Q

what does rinse do

A

remove residue

39
Q

what is the temperature and hold time for thermal disinfection

A

90-95 degrees for 1 minutes

40
Q

what does drying do

A

remove excess moisture

41
Q

what do we check for in the inspection stage

A

residual contamination
functionality
damage or corrosion

42
Q

what chemicals are used for manual cleaning

A

pH neutral or enzyme detergent

43
Q

what are the daily checks for the steriliser

A

load carrier and chamber
door seal
fill feed water reservoir
drain used water reservoir

44
Q

what are the tests for the type B steriliser

A

bowie dick/helix
air leakage (weekly)
air detector function

45
Q

what are the temperatures for each of the WD stages

A

flush <35
wash (depends)
rinse (<65)
thermal disinfection (90-95)
drying (100+)

46
Q

how many air changes per hour is required for a procedure room and what guidance states this

A

10 per hour
SHTM 03-01

47
Q

where are you meant to place your extraction unit and what guidance states this

A

in a plant room/utility room separate to procedure room
SHPN 36 part 2

48
Q

what does successful steam sterilisation require

A

saturated steam
temperature
direct contact with load
for minimum period of time