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VT > TOK infection control > Flashcards

TOK infection control Flashcards

1
Q

You have taken a crown impression that involved going

subgingivally, with some blood present. Before sending it

to the lab do you?:

A

Run it under cold water until visibly clean and then immerse it in a suitable disinfectant.

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2
Q

Instruments should be inspected under an illuminated

magnifier

A

After cleaning and before sterilisation

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3
Q

Soap used for hand washing in the clinical setting should

be

A

Antibacterial Antimicrobial

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4
Q

Which of the following items constitute PPE in a dental

practice?

A

Aprons Gloves

Masks/Visors

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5
Q

Which of the following is/are true of Local

Decontamination unit equipment?

A

Where ultrasonic cleaners are used, they must have an interlocking lid and a cycle that can not be interrupted. Washer disinfectors are the mandatory/preferred method of cleaning/disinfecting dental instruments. Only water meeting the quality recommended by the manufacturer of the washer disinfector should be used for the rinse cycle. Correct loading of instruments into decontamination equipment such as ultrasonic cleaners and washer disinfectors is essential.

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6
Q

When doffing/removing PPE after a non AGP Procedure

the order is:

A

Disposable gloves, Disposable plastic apron, Eye/Face Protection, Fluid resistant Surgical mask

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7
Q

When doffing/removing PPE after an AGP Procedure the

order is:

A

Disposable gloves, Disposable Gown, Eye/Face Protection, FFP3 mask or Hood

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8
Q

When Donning PPE for a non AGP procedure, the order is :

A

Disposable plastic apron, Fluid resistant Surgical Mask, Eye/Face Protection, Disposable gloves

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9
Q

Which of the following items should be included in

Infection Control Policies?

A

Hand hygiene Personal protective equipment Waste management Immunisation of staff

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10
Q

COVID-19:

A

Primarily infects the lower respiratory tract

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11
Q

Regarding the treatment of an HIV patient, he/she

should?:

A

Be seen normally during the day

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12
Q

You can re-use endo files on the same patient after they

have been autoclaved, as long as they have been

identified.

A

False

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13
Q

Which of the following can be autoclaved and re-used?

A

Diamond burs Toffelmire matrix holders Siqueviland matrix holders

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14
Q

Which of the following used items can you legally dispose

of in the non-healthcare waste (black stream) system?

A

Paper towels from the patient toilet Used sterilization pouches

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15
Q

Regulations exist governing the disposal of waste from

Dental Practices. Which of the following are true?

A

Waste containers are colour coded for the different waste streams. Records relating to the collection of the special (Orange, Yellow and Red stream) waste should be kept for 3 years). Waste disposal firms in Scotland that uplift special waste must be registered with the Scottish Environmental Protection Agency.

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16
Q

What is the recommended pH of the detergent used for

the manual cleaning of instruments?

A

Neutral

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17
Q

Which of the following is/are true of the management of

clinical waste in the dental practice?

A

Waste amalgam should be placed in the container supplied and disposed of in the red stream waste. Dressing, swabs and used personal protective equipment e.g. gloves and masks should be disposed of as orange stream (low risk) waste

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18
Q

Which of the following qualify as yellow stream special

waste?

A

Disposable syringes, Highly infectious waste or blood, Scalpel blades.

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19
Q

Which of the following qualify as Red Stream special

waste?

A

Filters for dental aspirating systems, Amalgam

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20
Q

When Donning PPE for an AGP procedure, the order is:

A

Disposable Gown, FFP3 mask or Hood, Eye/Face Protection, Disposable gloves.

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21
Q

Which of the following is/are true of the decontamination of dental instruments?

A

Instruments should be decontaminated in an LDU to prevent recontamination of sterile/ sterilised instruments Any instruments which fail inspection (for cleanliness reasons) should be returned to the start of the cleaning process

22
Q

Which of the following testing and maintenance tasks

must be done daily for a Washer Disinfector?

A

Remove and clean strainers and filters Check spray arms and nozzles are freely rotating Check door seals are sound

23
Q

Sterilised dental instruments (i.e. those which have been

processed without packaging) can be stored:-

A

In covered trays within cupboards In sealed pouches

23
Q

Which of the following is/are true for the disposal of non-

healthcare waste?

A

Waste transfer records for non-healthcare waste should be retained for two years Written record of the transfer of waste is required Non-healthcare waste is colour coded as black and green stream waste

24
Q

Which of the following is/are true of the management of

healthcare waste in the dental practice

A

Dressing, swabs and used PPE should be disposed of as orange stream (low risk) waste Waste amalgam should be placed in the container supplied and disposed of in the red stream waste

24
Q

PPE requirements in a dental surgery for Non AGP

treatments during COVID Pandemic include

A

Disposable fluid resistant Apron Fluid resistant surgical mask Face/eye protection

25
Q

PPE requirements in a dental surgery for AGP treatments

during COVID Pandemic include

A

Disposable surgical gown Fluid resistant surgical mask Face/eye protection

26
Q

Environmental decontamination of dental surgeries during

COVID pandemic should be carried out using:

A

Disinfectant containing 1000 parts per million (ppm) available chlorine Disinfectant effective against viruses, bacteria and fungi to EN standard 14476 for viricidal activity

27
Q

Standard Infection Control Precautions (SICPs) are a set of

methods designed to:

A

Ensure the safety of patients and staff by reducing the risk of transmission of potentially harmful agents. Ensure patients are treated in the same way irrespective of their infectious status.

28
Q

Hand pieces should be:

A

Decontaminated following manufacturer’s instructions (which will include cleaning and sterilization) after each use

29
Q

At what point should waste be segregated?

A

The point at which it is generated

30
Q

You suspect a patient registered with you under a

continuing care agreement is infected with HIV. The

patient shows no evidence of ill health or oral

manifestations of HIV disease. You have the necessary

knowledge, skill and facilities to provide appropriate

treatment. Under GDC guidelines, you should?

A

Treat this patient as you would any other using universal infection control procedures

31
Q

Which statement is correct, regarding the use of alcohol-

based hand rub (ABHR)?

A

ABHRs can only be used on visibly clean hands

32
Q

How long should hand hygiene take to perform when

using an Alcohol Based Hand Rub (ABHR) for non-surgical

clinical procedures?

A

20-30 seconds

32
Q

What is the recommended procedure for laundering used clinical workwear which is not visibly contaminated with blood?

A

Wash at the highest temperature suitable for the fabric

33
Q

Which of the following are true for effective disinfection of

impressions?

A

To comply with current regulations the laboratory should be notified in writing that the impression has been disinfected The responsibility for cleaning and disinfecting impressions lies solely with the dental practice.

33
Q

When sending work to the dental laboratory the following

steps must be undertaken

A

Rinse the imp or appliance under running water to remove any obvious blood, saliva or debris. Soak in a disinfection solution compatible with the material. Follow manufacturers’ instruction regarding use of solution, contact time and further rinsing. Label the item showing decontamination status

34
Q

Sterilisation of instruments in primary care dental

practices can be achieved by:

A

Steam sterilization at 134-137 degree C for at least 3 minutes

35
Q

How is sterilisation of dental instruments achieved?

A

Contact with steam at 134-137oC for at least 3 minute

36
Q

Which of the following is/are true regarding sterilisation of

dental instruments?

A

When purchasing new handpieces you should ensure they can withstand thermal disinfection and steam sterilisation

37
Q

Which of the following is/are true of bench top sterilisers

in dental practice?

A

Instruments processed in a non-vacuum sterilizer (type N) and then bagged for storage are deemed to be ‘sterilized’ and not ‘sterile’. Manufacture’s instructions should be followed at all times in relation to the installation, operation, maintenance and testing of all types of sterilisers. Vacuum sterilisers (type B) require more extensive testing than non-vacuum sterilizer (type N).

38
Q

Which of the following statements are true of

transportable benchtop autoclaves?:

A

They are subject to Portable Appliance Testing (PAT). They should have routine checks carried out every day that the autoclaves is in use.

39
Q

Which of the following are mandatory for each autoclave

in the practice?

Which of the following are mandatory for each steriliser in

the practice

A

Third party liability insurance. A written scheme of examination. A record of maintenance and repairs of the pressure system.

40
Q

What actions should be taken to ensure dental cements

are fully removed from instruments without damaging

them?

A

Wipe cements off at chairside before they have time to se

40
Q

Which of the following items should be disposed of as orange healthcare (clinical) waste?

A

3 in 1 tip Gloves Cotton wool rolls Face masks

41
Q

You are left with a half used cartridge of local anaesthetic

after a procedure. What should you do?

A

Dispose of a rigid ‘’yellow stream’’ container with a blue lid

42
Q

Which of the following are true for single use instruments?

A

All endo files and reamers are deemed single use by the Scottish Chief Dental Officer . Repeat use of single use item on the same patient negates the manufacturer’s liability for defects or faults.

43
Q

Following treatment, which instruments require to be

decontaminated before use on the next patient?

A

All instruments which have been set out (except disposables) whether or not they have been used

44
Q

Since 2008, new entrants to healthcare who carry out

exposure prone procedures should have been be tested

for?

A

HIV Hep C Hep B

45
Q

Standard Infection Control Precautions (SICPs) are a set of

methods designed to

A

Ensure patients are treated in the same way irrespective of their infectious status Ensure the safety of patients and staff by reducing the risk of transmission of potentially harmful agents

46
Q

In relation to Dental Unit Waterlines, you must

A

Flush at the beginning and end of each day for 2 – 4 minutes. Flush between patients for 30 seconds

47
Q

PPE requirements in Dental Practice Waiting

room/reception areas during COVID Pandemic include

A

Good hand hygiene Disposable gloves Disposable fluid resistant apron Fluid resistant surgical mask at all times

VT (11 decks)

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