Midterm Crossword

2. controls the size of the x-ray beam and prevents unnecessary scatter radiation
4. speed or power of photons to create a xray
6. typically has two filaments and slightly negative charge
7. the outside edge or shadow where the film has been imperfectly collimated
9. used to measure radiation exposer
10. rule that is used as an alternative method of developing a variable kvp technique chart
15. the combination of amount of photons and seconds
16. structure or appearance that it is not normally present on the radiograph and is produced by artificial means
17. wave the tracing of the crests and troughts of a wave
19. degree of difference between the light and dark areas of a radiograph
20. level of darkness on a x-ray which can be measured with a densitometer

1. 95% of all artifacts on an image occur during processing
3. made of tungsten and positive part of x-ray tube
5. carry a positive electrical charge
8. the acronym used to describe keeping radiation to a minimum
11. guideline mas that is 7.5
12. developed to absorb scattered and secondary radiation
13. the portion of the xray image that is sharp and clearly collimated
14. the object of interest is raised or anatomically positioned above the image receptor
18. white artifacts, hair or dust particles