diagnostic imaging crossword

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Across
  1. 2. exposure reduced by the square of the distance from the patient
  2. 3. an increase of image size of the object compared with its actual size
  3. 4. consist of mostly empty space
  4. 6. white "crescent" marks
  5. 8. radiation is measured with this
  6. 9. as low as reasonably achievable
  7. 11. radiographic misrepresentation of either the size or shape of the anatomic part
  8. 12. a radiographic chart that identifies reliable exposure for a known thickness
  9. 15. the portion of the x-ray image that is sharp and clearly collimated
  10. 17. the outside edge or shadow where the film has been imperfectly collimated
  11. 18. partner to the cathode in the x-ray tube'
  12. 19. occur by chance and may occur without a threshold level of dose
  13. 20. cells dividing and subdividing
Down
  1. 1. German scientist that discovered a glowing platinocyanide plate
  2. 5. the anode consist of this material
  3. 7. Controls the size of the X-ray beam and prevents it from spreading wider than necessary
  4. 10. intensity of the radiation is greater on the cathode side than on the anode side.
  5. 13. an alternative method of developing a variable kV technique chart
  6. 14. developed to absorb scattered and secondary radiation
  7. 16. process by which genetic cells divide and subdivide