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RADT 456: image acq Quiz

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1. What is used to determine the sensitivity of a particular film emulsion?




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2. Using a short SID with a large IR will do what?




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3. The cause of films coming from the automatic processor still damp can be what?




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4. what is the absorption of useful radiation by a grid called?




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5. True/False: Chemical fog is a type of exposure-type artifact.




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6. what is film emulsion having wide latitude likely to exhibit?




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7. What does spectral matching refer to?




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8. Does high kVp or low kVp permit greater latitude to the radiographer?




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9. true/false: An increase in kVp will increase radiographic contrast.




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10. True/False: Radiographic contrast is a result of differential tissue absorption and emulsion characteristics.




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11. high kVp exposure factors




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12. magnification radiography




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13. the mAs by 30%




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14. it becomes longer.




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15. away from radiation and in the vertical position.




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16. slit camera




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17. too light




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18. contact




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19. attenuation.




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20. inadequate SID.





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