Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

LDU practical notes > Competency > Flashcards

Competency Flashcards

1
Q

You have dirty instruments, in the red box, where would you place these instruments first in the LDU?

A

In the dirty instrument set down area (red box for dirty instruments)

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

What is the first step of the cleaning process?

A

The use of the washer disinfector21§q

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

Before starting operating the WD , what should be carried out?

A

Daily checks

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

What are the 6 daily checks for the washer disinfector?

A
  • Check load carrier is free from damage, instruments or debris
  • Check spray arms are rotating freely, and jets are not blocked
  • Check door seal is intact and free of damage or debris
  • Ensure strainer is not blocked / free of debris or instruments
  • Verify enough chemical and replenish if necessary
  • Record disinfection temperature of the first cycle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3 rules of placing instruments in the WD?

A
  • No overlapping or shadowing of instruments
  • Unhinge hinged instruments and place in position where they will not close
  • Disassemble instruments
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which programme will you select in the WD?

A

P1 then press start

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

Name the 5 stages of the WD?

A
  • Prewash
  • Wash
  • Rinse
  • Thermal disinfection
  • Drying
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe prewash and give temperature?

A

Remove gross contamination using water - below 35C

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

Describe (wash)

A
  • physical force of water and chemical action of detergent
  • Thermal heat activates and facilitate the action of detergent
  • This removes any remaining soil
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Describe (rinse)

A

Removal of any cleansing agents

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

Describe thermal disinfection and give temperature + holding time ?

A
  • Using reverse osmosis water and heat (90-95C) for 1 minute holding time
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Describe drying stage and give temperature?

A

Circulating air heated to 90 degrees for 20 minutes to remove any remaining moisture

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

After the instruments are out of the washer disinfect-or, what is the next step?

A

Inspection

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

How would you inspect the instruments?

A
  • Under illuminated magnifier to look for contamination or damage
  • Send for repair if damaged
  • If contamination present then process manually then in USB
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What PPE should be worn during manual washing?

A
  • Heavy duty gloves
  • Apron
  • Visor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the two types of manual washing?

A

Immersion and non immersion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

When would you not immerse instruments during manual washing?

A
  • Instruments with channels
  • such as hand pieces
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which instruments are not suitable to be processed in the USB?

A

Handpiece

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Once USB cycle is complete, what is the next step?

A
  • Rinse the instruments in a separate sink than the one for manual washing using cold water
20
Q

After this, you need to change your PPE , then what?

A

Reprocess the instruments in the washer disinfector, then inspect again

21
Q

What is the temperature, time and pressure for sterilisation?

A
  • 134-137 degrees C
  • 2.05 - 2-35 Bar
  • For the 3 minutes
22
Q

What are the two main types of sterilisers?

A
  • Type B - vacuum
  • Type N - non vacuum
23
Q

What type of water must be used in sterilisation?

A

Purified water such as RO , distilled , deionosed or sterilised

24
Q

What test is unique to type B steriliser?

A
  • Bowie dick test
  • This tests for steam penetration
25
Q

What instruments can be processed in type B steriliser?

A
  • Wrapped
  • Porous
  • Lumened or channelled
26
Q

What instruments can be processed in type N steriliser?

A
  • Rigid instruments
  • non-wrapped and non lumened
  • Such as mirrors or proves
27
Q

Once the instruments are sterilised, how are you going to remove them from the chamber?

A

Using a handle as they will be hot; may lead to a burn

28
Q

Once instruments are removed from the steriliser , where are they placed?

A
  • in the clean instruments cool down area
  • once cooled, they are placed in the clean transport box (blue)
  • The blue box is then transported to a storage facility or procedure room
29
Q

How should the boxes be? (5)

A
  • Leak proof
  • tight lid
  • colour coded/clearly marked
  • Rigid sided
  • Durable
30
Q

Pt has just left, the procedure room is messed up (needles , matrix band …. etc) , what should have been done?

A
  • Dispose sharps before the patient leaves into sharp box
  • Tick the sheet for checklist
  • Put instruments into dirty red box
  • then talk through the whole process
31
Q

When recording the temperature, where do you put it ?

A

Into the log book or USB

32
Q

Describe type N steriliser cycle?

A
  • Air is removed by gravity displacement as the water boils
  • Simple
  • non-vacuum
33
Q

Describe type B steriliser cycle?

A
  • Active air removal using a vacuum pump allowing steam to flush in due to negative pressure
34
Q

One advantage of Type N steriliser over type B?

A

Simpler

35
Q

Disadvantages of type B steriliser over type N steriliser?

A
  • Additional periodic testing is needed
  • more time cycle due to drying stage for wrapped instruments
36
Q

How should the storage area be ?

A
  • Dry
  • Clean
  • good temperature
  • no direct sunlight
37
Q

What should you do to the hand-piece before placing them in the WD?

A

Lubricate (oil)

38
Q

Give the 6 daily tests for AWD?

A
  • ACT - compare to log book
  • levels of detergent
  • Check spray arms spin freely and jets are not blocked
  • Check strainer and filters
  • verify load carrier
  • Check door seal
39
Q

Give 3 weekly tests for AWD?

A
  • Safety checks ( door seal)
  • Daily tests ( ACT)
  • Cleaning efficacy test by residual soil detection
40
Q

Give the 5 daily checks for sterilisers?

A
  • Check load carrier and chamber
  • Check door seal
  • Fill feed water reservoir
  • Crain used water reservoir
  • Record cycle information
41
Q

What daily check is carried out out for vacuum sterilisers?

A
  • Steam penetration test
  • Using bowie-dick or helix device
42
Q

What are the weekly tests for sterilisers?

A
  • Safety checks - door seal and safety devices
  • ACT and steam penetration test
  • Air leakage test ( Type B)
  • Automatic air detection function test (Type B)
43
Q

What should you do before inspecting the instruments?

A
  • Dry
44
Q

What are the daily tests for ultrasonic bath?

A
  • Ensure filter and strainers are clean
  • Drain machine after each session
  • Check detergent levels
45
Q

What are the weekly tests for USB?

A
  • Safety checks
  • Protein residue test
  • ACT
  • Daily checks
46
Q
A

LDU practical notes (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions