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OD test 2 > final mix > Flashcards

final mix Flashcards

1
Q

spatial Resolution

A

How well radiographs reveal small objects

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2
Q

Penumbra

A

Unsharpness

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3
Q

What problems plaque all radiographic images

A

Unsharpness
Distortion
Magnification issue

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4
Q

umbra

A

no blur

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5
Q

penumbra

A

blur

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6
Q

What minimizes the unsharpness

A

Long source object distance
short- object film distance
Small focal point
Limiting patien movement

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7
Q

Magnification =

A

Image size/ object size

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8
Q

Magnification%=

A

SID/SOD
SID= Source to image distance
SOD= Source to object distance

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OD test 2 (5 decks)

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