Old -hltinf002 Process Reusable Instruments
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- 1.
The purpose of surface disinfection includes all of the following, except?
- A.
Because equipment and treatment room surfaces become dark in colour over time
- B.
Because equipment and treatment room surfaces become contaminated with saliva
- C.
Because equipment and treatment room surfaces become contaminated with blood
- D.
Because equipment and treatment room surfaces become contaminated with aerosols containing blood or saliva
Correct Answer
A. Because equipment and treatment room surfaces become dark in colour over time -
- 2.
An Australian regulatory agency that creates the infection control standards that we must follow is?
- A.
National Health and Medical Research Council (NHMRC)
- B.
Medicines and Healthcare Products Regulatory Agency (MHRA)
- C.
United States – Occupational Health and Safety Association (OSHA)
- D.
WorkSafe Australia
Correct Answer
A. National Health and Medical Research Council (NHMRC) -
- 3.
True or false?Precleaning before disinfection is not recommended.
- A.
True
- B.
False
Correct Answer
B. False -
- 4.
True or false?You must ware appropriate PPE while cleaning and disinfection environmental surfaces.
- A.
True
- B.
False
Correct Answer
A. True -
- 5.
True or false?Disinfection is the same as sterilisation.
- A.
True
- B.
False
Correct Answer
B. False -
- 6.
According to The Guidelines, ‘ONLY those chemical disinfectants that are ___________ with the Therapeutic Goods Association (TGA) may be used.' p.80
- A.
Registered
- B.
Listed
- C.
Scheduled
- D.
Banned
Correct Answer
A. Registered -
- 7.
You must follow manufacturers recommendation on which disinfectants to use on dental equipment
- A.
True
- B.
False
Correct Answer
A. True -
- 8.
Which type of chemical disinfectant is also known as household bleach?
- A.
Sodium hypochlorite
- B.
Idophors
- C.
Alcohol
- D.
Synthetic phenol compounds
Correct Answer
A. Sodium hypochlorite -
- 9.
Tick the following aseptic techniques used to reduce the spread of microorganisms:
- A.
Avoid unnecessary touching of surfaces
- B.
Use high-volume evacuation
- C.
Use the rubber dam
- D.
Use preprocedure mouth rinses
- E.
Use disposable items
- F.
Reduce dental unit water line contamination
- G.
Use non-sterilised critical instruments on patients
- H.
Do not disinfect environmental surfaces in-between patients
Correct Answer(s)
A. Avoid unnecessary touching of surfaces
B. Use high-volume evacuation
C. Use the rubber dam
D. Use preprocedure mouth rinses
E. Use disposable items
F. Reduce dental unit water line contamination -
- 10.
A slime-producing bacterial communities that may also harbor fungi, algae, and protozoa is known as a __________?
- A.
Biofilm
- B.
Bacterial film
- C.
Slimefilm
- D.
Bacterial slime
Correct Answer
A. Biofilm -
- 11.
True or false?No cleaning or disinfection is required within the dental laboratory or radiology area.
- A.
True
- B.
False
Correct Answer
B. False -
- 12.
The "ideal" instrument-processing area should include all of the following, except?
- A.
Share the space with the dental laboratory
- B.
Not be part of a common walkway
- C.
Deep sink with hands-free controls
- D.
Be dedicated only to instrument processing
Correct Answer
A. Share the space with the dental laboratory -
- 13.
True or false?The sterilisation area workflow pattern flows from the clean area towards the contamination area.
- A.
True
- B.
False
Correct Answer
B. False -
- 14.
Tick the following items found in the contaminated area of a sterilisation processing area.
- A.
Deep sink
- B.
Waste disposal container
- C.
Sharps bin
- D.
Ultrasonic cleaner
- E.
Sterile instrument packets
- F.
Supplies for wrapping instruments
- G.
Autoclave logbook
Correct Answer(s)
A. Deep sink
B. Waste disposal container
C. Sharps bin
D. Ultrasonic cleaner
F. Supplies for wrapping instruments -
- 15.
The monitoring test used to determine whether the ultrasonic cleaner is working properly, is known as the _______________________?
- A.
Foil Test
- B.
Bowie Dick Test
- C.
Chemical Indicator Test
- D.
Biologic Test
Correct Answer
A. Foil Test -
- 16.
A thermal disinfection machine________?
- A.
Uses heat and water, at temperatures that destroy infectious agents
- B.
Sterilise instruments
- C.
Can only be used for metal or glass instruments or equipment
- D.
May be used with any cleaning solution
Correct Answer
A. Uses heat and water, at temperatures that destroy infectious agents -
- 17.
It is recommend that instruments are dried before they are wrapped or bagged for the steam steriliser.
- A.
True
- B.
False
Correct Answer
A. True -
- 18.
Steam sterilisers sterilise dental instruments and other items by means of ____________?
- A.
Steam under pressure
- B.
Excessive heat only
- C.
Steam with excessive heat
- D.
Pressure only
Correct Answer
A. Steam under pressure -
- 19.
The following are recommendation for properly loading a steam steriliser, except?
- A.
Manufacturer’s instructions are all the same
- B.
Do not overload
- C.
Using racks increase circulation of the steam
- D.
If using bags, plastic side up
Correct Answer
A. Manufacturer’s instructions are all the same -
- 20.
If a package is damaged after the sterilisation process, it may be used?
- A.
True
- B.
False
Correct Answer
B. False -
- 21.
The monitoring test that involves the use of a heat-sensitive chemical that changes colour when exposed to certain conditions, is known as the _______________________?
- A.
Chemical Indicator Test
- B.
Bowie Dick Test
- C.
Foil Test
- D.
Biologic Test
Correct Answer
A. Chemical Indicator Test -
- 22.
The monitoring test that is the only approved way to confirm if sterilisation has occurred, is known as the _______________________?
- A.
Biologic Test
- B.
Bowie Dick Test
- C.
Foil Test
- D.
Chemical Indicator Test
Correct Answer
A. Biologic Test -
- 23.
The monitoring test that measures the effectiveness of the air removal and even penetration of steam in a pre-vacuum steriliser, is known as the _______________________?
- A.
Bowie Dick Test
- B.
Biologic Test
- C.
Foil Test
- D.
Chemical Indicator Test
Correct Answer
A. Bowie Dick Test -
- 24.
Biologic monitoring, or spore testing is recommend to be completed at least __________?
- A.
Weekly
- B.
Monthly
- C.
Yearly
- D.
Daily
Correct Answer
A. Weekly -
- 25.
According to the ADA Guidelines, the Bowie Dick Test is recommend to be completed at least __________?
- A.
Daily
- B.
Monthly
- C.
Yearly
- D.
Weekly
Correct Answer
A. Daily -
- 26.
According to the ADA Guidelines, “If an instrument cannot be cleaned it cannot be safely _______?"
- A.
Reprocesssed
- B.
Disposed of
- C.
Stored away
- D.
Sharpened
Correct Answer
A. Reprocesssed -
- 27.
According to the ADA Guidelines, "When manual cleaning of instruments, ________________ tap water is suitable?"
- A.
Lukewarm
- B.
Hot
- C.
Ice cold
- D.
No water is recommended
Correct Answer
A. Lukewarm -
- 28.
According to the ADA Guidelines, "Items must be free of _______________ soil before being placed in an ultrasonic cleaner?"
- A.
Visible
- B.
Dust
- C.
Invisible
- D.
Water
Correct Answer
A. Visible -
- 29.
According to the ADA Guidelines, "As residual moisture may impede the sterilisation process, instruments to be sterilised by steam should be dried." Suitable methods include all of the following, except?
- A.
Using a hair dryer
- B.
Using a drying cabinet
- C.
Using a lint-free cloth or wipe
- D.
Using a short rinse in very hot water
Correct Answer
A. Using a hair dryer -
- 30.
According to the ADA, what is the sterilistation cycle for hollow objects where the ratio of the length of the hollow portion to its diameter is more than 1:5?
- A.
B class cycles
- B.
N class cycles
- C.
S class cycles
- D.
A class cycles
Correct Answer
A. B class cycles -
- 31.
According to the ADA Guidelines, "A package is considered to be non-sterile" for all of the following, except?
- A.
It has been placed on a clean surface
- B.
It has been dropped on the floor
- C.
Comes out of the steam steriliser Wet
- D.
Is damaged or Open
Correct Answer
A. It has been placed on a clean surface -
- 32.
True or false?Packaging wraps are not to be reused
- A.
True
- B.
False
Correct Answer
A. True -
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Current Version
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Mar 20, 2022Quiz Edited by
ProProfs Editorial Team -
Mar 21, 2015Quiz Created by
Lynn
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