Density and Contrast
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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If you increase mAs then density will..... | show 🗑
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if you decrease mAs then density will.... | show 🗑
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How are mAs and densityt related? inversely/directly | show 🗑
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What is the influencing factor of density? | show 🗑
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show | mAs
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If you increase your SID then denisty will decrese/increase? | show 🗑
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If you increase OID then denisty will decrease/increase? | show 🗑
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What does filtration alter? | show 🗑
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if you decrease filtration then density will increase/decrease? | show 🗑
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show | inverse
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show | reduce
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if you increase beam restriction the density will ______. | show 🗑
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show | decrease
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Additive pathology will increase/decrease density. | show 🗑
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show | increase
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Grids and density have a _______ relationship. | show 🗑
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show | decrease
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show | direct
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Film/screen speed and mAs have a _____ relationship to denisty. | show 🗑
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Definition of density _______________. | show 🗑
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show | mAs
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____ controls the current through the xray tube. | show 🗑
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What is governed by the 15% rule ? | show 🗑
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show | 0.25-2.25
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show | density
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change ___ by 30% in order to see a visible change in denisty. | show 🗑
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show | increase
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show | Contrast
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The controlling factor of contrast is ___. | show 🗑
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show | decrease
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show | high
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Many shades of gray, high kVp, long scale, wide latitude will have a (high/low) contrast. | show 🗑
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If you increase mAs contrast will ____________. | show 🗑
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Does the anode heel effect affect contrast? | show 🗑
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show | increase
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show | directly
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If you increase filtration contrast will _______. | show 🗑
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If you increase beam restriction contrast will ______. | show 🗑
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show | decrease
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show | increase
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A higher grid ratio will (increase/decrease) contrast. | show 🗑
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Will Film screen speed effect contrast? | show 🗑
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show | Yes.
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show | decrease
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show | increase
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the difference between adjacent tissues or shades of gray | show 🗑
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show | kVp
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show | film, subject, developer
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What would you use to to calculate the change in beam intensity? | show 🗑
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show | make detail visible
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show | contrast
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Short scale contrast is produced by _ _____ ___. | show 🗑
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show | short (few shades of gray)
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Long scale contrast will have (low/high) contrast. | show 🗑
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show | high
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show | low
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show | increased
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Films with a (wide/narrow) latitude will have short scale contrast which means there are few shades of gray. | show 🗑
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