Radiography Flashcards

1
Q

Collimation

A

Restriction of the beam size to a specific area

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2
Q

Exposure

A

Amount of radiation used to generate an image

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3
Q

Too white?

A

Under-exposed

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4
Q

Too black?

A

Over-exposed

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5
Q

Development

A

Chemical processing of radiograph

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6
Q

Outline the radiographic opacities..

A
Black - air 
Dark grey - fat
Mid grey - soft tissue/ fluid 
Light grey - mineral 
White - metallic
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7
Q

What does a tissues radiographic opacity depend upon?

A

Atomic number, physical density (thickness)

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