Radiography

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  • Created by: clewisx
  • Created on: 19-11-20 09:54
When were x rays discovered?
1895
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What does a rectangular collimator do?
Reduces patient dose up to 50%
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How many mSv are in 2 bite wings?
0.002 mSv
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What year did the ionising radiation regulation act come into place?
1999
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What of the annual dose of mSv?
6msv
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What year did IRMER come into force?
2000
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What is an RPA
Radiation protection advisor
Expert able to give advice on protection
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What is an RPS
Radiation protection supervisor
Someone within the practice
Ensure compliance with local rules
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How often is the X-ray equipment maintained?
Every 3 years
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What is a lateral oblique x-ray
Half of the face/jaw
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What are the three basic components of a film?
Base
Emulsion
Super coat
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Components of x ray packet?
Waterproof jacket
Black paper
Film
Black paper
Lead foil
Waterproof jacket
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What is developer?
Alkaline
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What is fixer?
Acidic
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How should films be stored?
Upright
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What is grade 1?
Excellent
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What is grade 2?
Diagnostically acceptable- some errors of exposure, processing or positioning but the x-ray can still be seen for a diagnosis
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What is grade 3?
Unacceptable, errors of exposure, positioning or processing when developing the x-ray which is diagnostically unacceptable.
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True or False?
Dental practices using X-ray generators must register with the Health and Safety Executive
True
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what is the result of a fogged film?
Exposure to light
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Other cards in this set

Card 2

Front

What does a rectangular collimator do?

Back

Reduces patient dose up to 50%

Card 3

Front

How many mSv are in 2 bite wings?

Back

Preview of the front of card 3

Card 4

Front

What year did the ionising radiation regulation act come into place?

Back

Preview of the front of card 4

Card 5

Front

What of the annual dose of mSv?

Back

Preview of the front of card 5
View more cards

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