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Registry Review > Image Production > Flashcards

Image Production Flashcards

(12 cards)

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1
Q

What is receptor exposure?

A

The overall amount of radiation to reach the IR

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2
Q

What is mAs?

A

the main controlling factor of receptor exposure

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3
Q

Relationship between receptor exposure and mAs?

A

Direct relationship

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4
Q

What is contrast?

A

Difference in adjacent areas

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5
Q

What are the controlling factors of contrast

A

kVp and LUT

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6
Q

What is the main controlling factor of subject contrast?

A

kVp

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7
Q

What is the main controlling factor of image contrast?

A

LUT

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8
Q

What are geometric factors?

A

Recorded Detail (Spatial Resolution)/Distortion

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9
Q

What is the grid ratio formula?

A

Grid Ratio= height (h)
————–
distance (d)

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10
Q

Receptor Exposure and Contrast will always be inversely proportional, except for:

A

Filtration

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11
Q

What is the grid conversion formula?

A

mAs 1 = conversion factor 1
——— —————————–
mAs 2 = conversion factor 2

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12
Q

Sampling frequency is the main controlling factor of what in digital radiography?

A

Spatial Resolution

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Registry Review (4 decks)

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