Across
- 1. no charge
- 3. is formed of secondary radiation
- 5. are part of
- 6. can penetrate matter and made up of
- 8. cuts down exposure to patient by at least 50%
- 11. is due to being exposed to the safelight too long.
- 12. a tightly sealed heavy metal, lead-lined housing that contains the dental x-ray tube,insulating oil.
- 14. is more susceptible because of more rapidly reproducing cells
- 18. travels in
- 20. when you open a file packet too quickly
- 21. spectrum
Down
- 2. arms fell off due to an experimentation
- 4. lead foil to prevent film fogging and stop rays.
- 7. is the best protect
- 9. emitted from the x-ray tube that strike the patient is
- 10. do you protect the operator from scattered radiation
- 12. made of aluminum
- 13. the first vacuum tube
- 15. exposure time is cut in half, must be doubled.
- 16. made of lead. Is 2.75 in diameter and controls
- 17. rays
- 19. of nose to cartilage in ear, parallel to the floor