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Exposure Quiz

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1. Bone absorbs more or less radiation?




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2. What is the main source of scatter?




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3. four prime factors of radiology are what?




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4. Scatter creates fog that reduces what?




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5. what is the compton effect?




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6. What is the law of reciprocity?




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7. why is the back of a cassette lined with lead?




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8. mAs is what to contrast?




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9. Compound filtration does what?




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10. Air gap technique gives you as much clean up as what? And is done with a ... inch air gap




Select the Question that corresponds to the displayed Answer.
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11. narrows the scale of contrast, decreased scatter and fog




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12. phosphor layer




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13. ratio = h/D freq= 1/t+D (D= inter space distance, t = lead height)




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14. Image quality factors




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15. when the kVp is greater than 60 or the body part is 10-12 cm in thickness




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16. Spatial resolution, brightness, window width




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17. preservative




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18. if the distance is either doubled or cut in 1/2 you multiply or divide by 4. closer * farther /




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19. tabletop, IR or any other matter in the radiation field.




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20. decreased





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