Faults Flashcards

1
Q

Quality assurance in radiography is a …… requirement

A

Legal

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2
Q

What are extra oral cassettes marked with

A

The letter L

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3
Q

What type of waste are X-ray processing chemicals

A

Non infectious hazardous

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4
Q

What is the reason for the exposure fsult elongation of the image

A

Collimator angulation too shallow

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5
Q

What is the reason for exposure fault foreshortening of image

A

Collimator angulation is too steep

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6
Q

What is the reason for exposure fault coning

A

Collimator not central to film

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7
Q

What is the reason for exposure fault blurred image

A

Patient of collimator moved during exposure

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8
Q

What is the reason for exposure fault transparent film

A

Film placed the wrong way around

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9
Q

What is the reason for exposure fault fogged film

A

Exposed to light before X-ray exposure

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10
Q

What is the reason for exposure fault blank film

A

X-ray machine not turned on

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11
Q

What is the reason for handling fault scratches or finger prints

A

Catching the film on the tank during immersion and not holding by the edges

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12
Q

What is the reason for handling fault blank spots

A

Splashed with fixer before developing

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13
Q

What is the reason for handling fault black line across film

A

Film bent or folded during processing

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14
Q

What is the reason for handling fault brown or green stains

A

Inadequate fixing due to old solution

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15
Q

What is the reason for handling fault crazed pattern on film

A

Dried too quickly over a strong heat source

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16
Q

What is the reason for handling fault crystals on film

A

Insufficient washing after fixing

17
Q

What is the reason for equipment preparation fault dark film

A

Developer solution too concentrated
Temperature too high
Over developed

18
Q

What is the reason for equipment preparation fault blank film

A

Film placed in fixer solution before developed solution so it is destroyed

19
Q

What is the reason for equipment preparation fault partly blank film

A

Film partially immersed in developer solution

20
Q

What is the reason for equipment preparation fault fogged film

A

Processing room is not light tight

21
Q

What is the reason for equipment preparation fault faint image

A

Developer solution is to weak
Temperature too low
Under developed

22
Q

What is the reason for equipment preparation fault fading image

A

Inadequate fixing time so image is not permanently held on film

23
Q

What is the reason for equipment preparation fault loss of film

A

Film stuck in roller system due to poor cleaning and maintenance

24
Q

What is the reason for equipment preparation fault visible artefacts

A

Film contaminated with solution spillages, in cassettes or work surfaces

25
Q

Poor qualify or unreadable radiographs will be produced if ….

A

Old film stock is used