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Radiology Quiz

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1. 48. What are the requirements the NM contrast media (RPP) have to meet?




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2. 38. What is the meaning of the term “radioactivity”?




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3. 12. How can we decrease the noise?




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4. 59. What kind of radiation is detected on thermography studies?




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5. 3. Name the parts of Diagnostic Radiology




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6. 118. What is RAD and it’s unit




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7. 37. Basic principle (concept) of Nuclear Medicine studies




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8. 74. What is the relation between sound beam incident and reflection angle?




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9. 112. Advantages of Ultrasound as a IR procedures guidance tool




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10. 34. What is the meaning of “single”, “double” and “triple” contrast?




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11. administer RPP monitor accumulation and lead out processes




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12. -no superimposed image -more detailed due to high contrast (t1/2; proton) -3D image with saggittal, coronal, and axial views




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13. 1-20 MHz




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14. 0




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15. increase it by: strengthening the signal reducing the noise: by filtration and averaging




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16. small size of the sensitive element




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17. use contrast agents to produce artificial roentgenocontrast




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18. no ionizing radiation air and bone not a hindrance for visualization lot of criteria for imaging (T1T2 relaxation times, proton density) possibility of IN-VIVO NMR spectroscopy




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19. the time taken for one complete wave




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20. CT, MRI Ultrasound fluoroscopy





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