Medical Imaging Crossword puzzle

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Across
  1. 2. Material that is weakly repulsed by a magnetic field
  2. 4. The "A" in CAT scan
  3. 5. Result of incorrect vertical angulation
  4. 6. Tomographic X-ray of the teeth, mandible, and maxilla
  5. 10. The blurred margin of an image
  6. 12. Time for a gradient to ramp from zero to its maximum value
  7. 14. Number 56 on the Periodic Table of Elements and a good absorber of X-rays
  8. 16. ____peak (kVp)
  9. 20. MRI contrast medium
  10. 21. Coating on X-ray film
  11. 24. Where to find the master switch, indicator light, selector buttons, and exposure button
Down
  1. 1. Difference in precession frequency of hydrogen in water and fat
  2. 3. The use of X-rays to obtain real-time moving images
  3. 7. How many sets of paired physical gradients are present in an MR scanner
  4. 8. The science or study of radiation
  5. 9. Overall darkness or blackness of a radiograph
  6. 11. Prevents scattered radiation from reaching the image receptor
  7. 13. Proportional enlargement of an image
  8. 15. The positive electrode in an X-ray tube
  9. 17. Campaign for radiation safety in adult imaging
  10. 18. The negative electrode in an X-ray tube
  11. 19. Father of CT (and its attenuation units)
  12. 22. The result of incorrect vertical angulation
  13. 23. Father of X-rays