Radiology 3
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Radiology 3
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25 Questions

1. Effects seen years - decades - or generations later

2. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.

3. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)

4. A form of secondary radiation - the result of x-rays that has been deflected from its path by an interaction with matter.

5. Linear prominence that appears radiopaque.

6. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.

7. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments

8. Superior to internal oblique ridge; anterior border of ramus ends in external oblique ridge; radiopaque band

9. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.

10. An x-ray photon that has its path altered by matter.

11. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve

12. Coulombs per kilogram

13. Encases/supports teeth

14. Occurs very little; most photons pass through cell with little or no damage

15. A direct function of the dose. No dose threshold; effects do not depend on the magnitude of the absorbed dose (Examples: cancer and genetic mutations)

16. Continues from ramus; radiopaque band

17. Within maxillary sinus; acts as a division - radiopaque lines sometimes not visible

18. Time between exposure to ionizing radiation and the appearance of observable clinical signs.

19. Can increase or decrease the number of electrons passing through the cathode filament

20. Hollow space - cavity that appears radiolucent

21. Occurs frequently due to the high concentration of water in cells.

22. 8 inch and 16 inch; longer are preferred due to less divergence of beam - open ended and lead lined.

23. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum

24. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque

25. Bony wall that divides 2 spaces - radiopaque

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