Radiology 3
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Radiology 3
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25 Questions

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

2. Do not occur in dentistry

3. 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)

4. The measurement of electrical force that causes electrons to move from a negative pole to a positive one. Measured in volts (V) or kilovolts (kV)

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

6. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge

7. Marked prominence that appears radiopaque.

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

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

10. The x-ray photon is deflected from its path during its passage through matter

11. Cortical bone - radiopaque band above maxillary incisors

12. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals

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

14. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent

15. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line

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

17. Produced when a high-speed electron dislodges an inner-shell electron from a tungsten atom and causes ionization of that atom. Occurs only at 70 kVp and above.

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

19. All cells except reproductive; effects are seen in person irradiated

20. Surrounds root - cortical bone - radiopaque

21. The penetrating x-ray beam that is produced at the target of the anode

22. Can control the current passing from the cathode to the anode.

23. Bony prominence posterior to maxillary third molar; radiopaque

24. Sharper of dark and light areas and how they are separated on film. Low kVp results in high contrast (many white and black areas - very little gray). Useful when diagnosing decay. High kVp results in low contrast (many shades of grade) Useful for per

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

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