Medical Device Cleaning and Disinfection Test

By webv8 / 29 December 2025

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Question 1 of 51

1. Question

What is the purpose of Spaulding’s classification? Single Choice

To identify faulty equipment
Correct Incorrect Correct answer

To classify medical devices by size
Correct Incorrect Correct answer

To determine disinfection requirements based on risk
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To label priority items
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Question 2 of 51

2. Question

Which document outlines national standards for cleaning reusable medical devices? Single Choice

ISO 9001
Correct Incorrect Correct answer

AS/NZS 4187
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WHS Act
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NHMRC Guidelines
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Question 3 of 51

3. Question

What is the correct action when identifying a damaged instrument? Single Choice

Report it to a designated person
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Clean it thoroughly
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Use it if it looks safe
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Dispose of it immediately
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Question 4 of 51

4. Question

What does thermal disinfection use to kill microorganisms? Single Choice

Chemicals only
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Steam and pressure
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Heat and water
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Radiation
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Question 5 of 51

5. Question

The ‘dirty to clean’ principle ensures: Single Choice

Items move back and forth freely
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Dirty items are stored with clean items
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All items are cleaned together
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Items move progressively from contaminated to clean areas
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Question 6 of 51

6. Question

According to Spaulding’s classification, items requiring sterilisation are classified as: Single Choice

Critical
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Semi-critical
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Non-critical
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Disposable
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Incorrect
Question 7 of 51

7. Question

Which of the following is an example of a reusable medical device? Single Choice

Scalpel blade
Correct Incorrect Correct answer

Laparoscope
Correct Incorrect Correct answer

Syringe needle
Correct Incorrect Correct answer

Single-use surgical scissors
Correct Incorrect Correct answer

Correct

Incorrect
Question 8 of 51

8. Question

Which document must be read to understand how to handle chemicals safely? Single Choice

Material Handling Guide
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Safety Data Sheet (SDS)
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Infection Control Manual
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Quality Assurance Plan
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Correct

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Question 9 of 51

9. Question

What is the correct temperature/time relationship for thermal disinfection? Single Choice

Higher temperature = shorter exposure time
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Lower temperature = shorter exposure time
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Temperature has no effect
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Higher temperature = longer exposure time
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Correct

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Question 10 of 51

10. Question

Why is it important to disassemble instruments before cleaning? Single Choice

To make them lighter
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To reduce equipment count
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To shorten disinfection time
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To ensure thorough cleaning of all parts
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Correct

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Question 11 of 51

11. Question

Which PPE item is essential when handling enzymatic cleaners? Single Choice

Latex gloves
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Cotton gloves
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Rubber or nitrile gloves
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Wool gloves
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Question 12 of 51

12. Question

What is the primary purpose of initial pre-cleaning? Single Choice

To remove visible blood, bone, and tissue
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To sterilise the device
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To polish the instruments
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To label devices
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Question 13 of 51

13. Question

Which of the following best defines disinfection? Single Choice

Killing all microorganisms
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Removal of organic matter
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Killing most microorganisms except spores
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Cleaning with cold water
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Question 14 of 51

14. Question

When must faulty or damaged instruments be reported? Single Choice

Immediately after identification
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Only after the day’s work
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During the next team meeting
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After repair
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Question 15 of 51

15. Question

What determines the correct washer disinfector cycle to use? Single Choice

Colour of device
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Type of detergent
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Water temperature only
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Parameters for the specific device
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Question 16 of 51

16. Question

Why must water quality be checked? Single Choice

To prevent mineral deposits and ensure disinfection efficiency
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To maintain pH of chemicals
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To save costs
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To reduce noise in machines
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Question 17 of 51

17. Question

What should be done if an item is still damp after the cleaning and disinfection process? Single Choice

Store it immediately
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Air dry it
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Reprocess the item
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Wipe it with a towel
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Correct

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Question 18 of 51

18. Question

What is the main reason for minimising waste in the cleaning area? Single Choice

To comply with workplace sustainability policies
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To reduce workload
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To save time
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To reduce noise
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Question 19 of 51

19. Question

What is the main hazard of using chemical disinfectants? Single Choice

Fire only
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Chemical exposure and toxicity
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Biological contamination
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Heat injury
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Question 20 of 51

20. Question

Which of the following best defines “workflow”? Single Choice

A plan for staff rosters
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A list of tools used in cleaning
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A method for ordering supplies
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The process items follow from dirty to clean
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Question 21 of 51

21. Question

Which of the following are key aspects of thermal disinfection? Multiple Answers

Involves heat and water
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Effectiveness depends on temperature and time
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Requires chemical sterilant
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Kills microorganisms through radiation
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Correct

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Question 22 of 51

22. Question

Safe work practices in the cleaning area include: Multiple Answers

Eating in the cleaning area
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Using correct manual handling techniques
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Wearing PPE
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Following infection control guidelines
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Question 23 of 51

23. Question

Examples of reusable medical devices include: Multiple Answers

Laparoscopes
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Endoscopes
Correct Incorrect Correct answer

Scalpel blades
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Anaesthetic tubing
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Correct

Incorrect
Question 24 of 51

24. Question

Spaulding’s classification includes which categories? Multiple Answers

Critical
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Semi-critical
Correct Incorrect Correct answer

Non-critical
Correct Incorrect Correct answer

Disposable
Correct Incorrect Correct answer

Correct

Incorrect
Question 25 of 51

25. Question

When sorting items, which factors are important to check? Multiple Answers

Completeness of sets
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Colour of the instrument
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Correct disposal of single-use items
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Identification of multi-part devices
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Question 26 of 51

26. Question

AS/NZS 4187 provides standards for: Multiple Answers

Cleaning reusable medical devices
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Disinfection parameters and procedures
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Staff uniforms
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Handling of processed items
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Question 27 of 51

27. Question

Which of the following are infection control measures? Multiple Answers

Hand hygiene
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Use of PPE
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Sterilisation of instruments
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Leaving devices unwashed overnight
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Question 28 of 51

28. Question

Priority processing requirements should be identified because: Multiple Answers

Some items are needed urgently
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It ensures effective disinfection
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It helps plan workflow
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It allows skipping the disinfection process
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Question 29 of 51

29. Question

When preparing specialised items such as endoscopes, workers should: Multiple Answers

Disassemble removable parts
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Use wire brushes on all surfaces
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Leave items immersed in enzymatic solution
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Keep it as is without cleaning
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Correct

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Question 30 of 51

30. Question

Safety Data Sheets (SDS) contain information about: Multiple Answers

Chemical identification and hazards
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First aid measures
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Employee rosters
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Safe handling and storage
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Question 31 of 51

31. Question

Manual cleaning techniques may include: Multiple Answers

Dusting
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Flushing
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Polishing
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Brushing
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Question 32 of 51

32. Question

When operating cleaning appliances, safe manual handling involves: Multiple Answers

Avoiding awkward postures
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Using lifting aids
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Team handling when necessary
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Twisting while carrying heavy loads
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Question 33 of 51

33. Question

When performing water quality tests, staff should be aware that: Multiple Answers

Only colour of water is important
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Hard water affects disinfectant effectiveness
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Water hardness relates to calcium and magnesium content
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Water quality affects cleaning results
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Correct

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Question 34 of 51

34. Question

Instrument-grade disinfectants and sterilant include: Multiple Answers

Glutaraldehyde
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Peracetic acid
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Dettol
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Bleach for skin use
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Question 35 of 51

35. Question

Documentation of cleaning and disinfection processes helps to: Multiple Answers

Attract more patients
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Provide legal evidence of process
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Support infection control
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Replace visual inspection
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Question 36 of 51

36. Question

To minimise waste during cleaning and disinfection, workers should: Multiple Answers

Skip rinsing steps to save water
Correct Incorrect Correct answer

Turn off taps when not in use
Correct Incorrect Correct answer

Maintain machines properly
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Turn off lights in unused areas
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Correct

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Question 37 of 51

37. Question

When identifying faulty or damaged items, staff should: Multiple Answers

Inspect items for cracks, rust or dull edges
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Report to a designated person
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Continue using damaged items
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Check for alignment and smooth movement
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Correct

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Question 38 of 51

38. Question

Correct workflow in the disinfection area means: Multiple Answers

Items move from dirty to clean
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Dirty and clean items can share benches
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Clean items never return to dirty zones
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The area layout prevents cross-contamination
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Question 39 of 51

39. Question

Personal Protective Equipment (PPE) used in cleaning may include: Multiple Answers

Waterproof gown or apron
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Rubber gloves
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Safety glasses or face shield
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Open-toe footwear
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Question 40 of 51

40. Question

Quality control checks after disinfection may include: Multiple Answers

Reviewing printouts of machine cycle parameters
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Conducting microbiological testing
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Skipping documentation to save time
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Checking chemical indicator strips
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Correct

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Question 41 of 51

41. Question

Fill the Gaps

BLANK 1 of 1 Australia also has a “National Code of Practice for Manual Handling” and a “Code of Practice for Hazardous Manual Tasks”.

Fill in the blank 1 of 1 Australia also has a “National Code of Practice for Manual Handling” and a “Code of Practice for Hazardous Manual Tasks”.

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Question 42 of 51

42. Question

Fill the Gaps

BLANK 1 of 1 disinfection uses heat and water to kill microorganisms.

Fill in the blank 1 of 1 disinfection uses heat and water to kill microorganisms.

Correct

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Question 43 of 51

43. Question

Fill the Gaps

According to Spaulding’s classification, BLANK 1 of 1 items require sterilisation.

According to Spaulding’s classification, Fill in the blank 1 of 1 items require sterilisation.

Correct

Incorrect
Question 44 of 51

44. Question

Fill the Gaps

The process of moving items from BLANK 1 of 1 to clean areas is known as the dirty to clean principle.

The process of moving items from Fill in the blank 1 of 1 to clean areas is known as the dirty to clean principle.

Correct

Incorrect
Question 45 of 51

45. Question

Fill the Gaps

A Safety Data Sheet provides safety information about BLANK 1 of 1 used in the cleaning and disinfection process.

A Safety Data Sheet provides safety information about Fill in the blank 1 of 1 used in the cleaning and disinfection process.

Correct

Incorrect
Question 46 of 51

46. Question

Fill the Gaps

Before cleaning, medical instruments must be BLANK 1 of 1 to ensure all parts are properly cleaned.

Before cleaning, medical instruments must be Fill in the blank 1 of 1 to ensure all parts are properly cleaned.

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Question 47 of 51

47. Question

Fill the Gaps

Safe manual BLANK 1 of 1 techniques help prevent back strain and other workplace injuries.

Safe manual Fill in the blank 1 of 1 techniques help prevent back strain and other workplace injuries.

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Question 48 of 51

48. Question

Fill the Gaps

The removal of visible soil, blood, and tissue from BLANK 1 of 1 devices is known as pre-cleaning.

The removal of visible soil, blood, and tissue from Fill in the blank 1 of 1 devices is known as pre-cleaning.

Correct

Incorrect
Question 49 of 51

49. Question

Fill the Gaps

Workers must wear appropriate Personal Protective Equipment (PPE) to protect themselves from BLANK 1 of 1, chemical, and heat hazards.

Workers must wear appropriate Personal Protective Equipment (PPE) to protect themselves from Fill in the blank 1 of 1 , chemical, and heat hazards.

Correct

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Question 50 of 51

50. Question

Fill the Gaps

BLANK 1 of 1 of the cleaning and disinfection process must be completed and archived according to organisational procedures.

Fill in the blank 1 of 1 of the cleaning and disinfection process must be completed and archived according to organisational procedures.

Correct

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Question 51 of 51

51. Question

Match the Term to the Definition