221-2 Crossword

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Across
  1. 3. __________ are important because they reduce scatter radiation
  2. 4. A layer that contains photostimulable phosphor that “traps” electrons during exposure
  3. 7. The cassette has a __________ or sticker that matches image information with patient identifier & information
  4. 8. Uses one laser point at a time to scan the plate and convert the image into a digital signal.
  5. 13. Smaller ______________ reduces scatter
  6. 14. During ______________, energy bounces between both ends causing the atoms to collide
  7. 16. Poor light production creates a grainy image called_____________
  8. 18. The _____________ in the reader direct the beam to the imaging plate surface
  9. 19. A layer of soft polymer that protects the back of the cassette
  10. 20. The penetrating power of the beam
  11. 21. How many photons are in the beam and contribute to dose
  12. 23. The __________ is backed by aluminum and consists of antistatic material
  13. 24. A layer where Semi-rigid material that provides strenght
  14. 25. A layer that directs light forward, may be black to limit light spread, and reduces resolution
Down
  1. 1. Based on simultaneous stimulation of the imaging plate one line at a time.
  2. 2. __________ is created when photons move in the same direction
  3. 5. It removes unneccesary parts of an image
  4. 6. Using the correct technical settings is important for both patient safety and clear image ________.
  5. 9. is the amount of detail present in any image.
  6. 10. In PSP (photostimulable phosphor) imaging, the _________ X-ray beam interacts with barium fluorohalide crystals in the imaging plate.
  7. 11. A layer that absorbs and reduces static electricity
  8. 12. the assignment of a numeric value to each light photon
  9. 15. Some newer plates have a layer between the active and support layers that absorbs stimulating light and reflects emitted light.
  10. 17. The reader scans the plate with a red light in a _________ pattern
  11. 22. A layer of Thin, tough, clear plastic protects the phosphor layer.