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Radiology 3

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.






2. Closed - pointed cone-high production of scatter - not used any longer.






3. Coulombs per kilogram






4. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen






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






6. Cortical bone; J or U shaped radiopacity






7. A line of union between adjoining bones - found only in skull; appears as radiolucent line






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






9. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.






10. Somatic effects that have a threshold; effects increase in severity with increasing absorbed dose. (Examples: Erythema - loss of hair - cataracts - and decreased fertility)






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






12. Space between root and the lamina dura - thin - radiolucent line - healthy PDL is uniform thickness






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






14. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired






15. Anterior ramus of mandible; attachment for muscle of mastication; superimposed around maxillary tuberosity.






16. Dental x-ray machines operating 70 kVp or below: minimum 1.5 mm aluminum filtration - Dental x-ray machines operating above 70 kVp: minimum of 2.5 mm. of aluminum filtration.






17. X-radiation created when the primary beam interacts with a matter






18. Between canine and lateral incisor - depression is not always visible - radiolucent






19. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines






20. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent






21. 'hooklike' - posterior to maxillary tuberosity; extension of medial pterygoid plate of sphenoid bone; radiopaque






22. Located above maxillary premolar/molar teeth - border is made up of cortical bone; sinus cavity is radiolucent compartment






23. Encases/supports teeth






24. Bump or nodule that appears radiopaque






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






26. Sharp - thornlike projection that appears radiopaque.






27. Internal ridge of mandible muscle attachment - continuous with internal oblique ridge; radiopaque line






28. Effects seen years - decades - or generations later






29. Bony prominence posterior to maxillary third molar; radiopaque






30. Posterior to mandibular third molar






31. Scooped out of depressed area of bone that appears radiolucent






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






33. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.






34. Marked prominence that appears radiopaque.






35. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent






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






37. Rounded prominence that appears radiopaque






38. U-shaped portion extending from ramus to ramus






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






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






41. Reduces exposed silver halide crystals into black metallic silver a makes dark/black areas on film; unexposed silver halide crystals are unaffected by developer






42. Continues from ramus; radiopaque band






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






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






45. Restricts size and shape of beam to lower patient exposure - Round: cone shaped beam-2.75 inches in diameter - Rectangular: Rectangular beam slightly larger than size 2 film- lowers patient exposure






46. V-shaped radiopacity at intersection of floor of nasal cavity and septum






47. Hollow space - cavity that appears radiolucent






48. Sievart






49. Thin - curved areas of bone - radiopacities within nasal cavity and septum






50. Area of body exposed total body produced more adverse effects







Sorry!:) No result found.

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