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Test your basic knowledge |
Radiology 3
Start Test
Study First
Subjects
:
health-sciences
,
radiology
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. Located above maxillary premolar/molar teeth - border is made up of cortical bone; sinus cavity is radiolucent compartment
Maxillary sinus
Radioresistant cells
Floor of Nasal Cavity
Amperage
2. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.
Ridge
Ramus
Cancellous
Step-Down Transformer
3. Between canine and lateral incisor - depression is not always visible - radiolucent
Indirect injury
Lateral Fossa
Dose Rate
Radiosensitive cells
4. 8 inch and 16 inch; longer are preferred due to less divergence of beam - open ended and lead lined.
Dose Rate
Rectangular and round PID
Rad (Radiation absorbed dose)
Direct Injury
5. Linear prominence that appears radiopaque.
Ridge
Indirect injury
Mental Foramen
Submandibular Fossa
6. 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
Nonstochastic (deterministic) effects
Sinus
Nasal Cavity/Fossa
Contrast
7. Cortical bone; J or U shaped radiopacity
Developer Solution
Maxillary Tuberosity
Total dose
Zygomatic process of maxilla
8. Encases/supports teeth
Median palatine suture
Short-term effects
Alveolar Process
Density
9. Rate which exposure to radiation occurs and absorption occurs (more damage occurs with high dose due to rapid delivery and does not allow for repair)
Inferior Nasal Conchae
The conditions required for the darkroom
Maxillary sinus
Dose Rate
10. Effects seen years - decades - or generations later
Characteristic Radiation
Genial Tubercles
Long-term effects
Total (inherent + added) filtration
11. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen
Conical PID
Superior Foramina of incisive canal
Amount of tissue irradiated
Free Radical Formation
12. Small lymphocyte - bone marrow - reproductive cells - immature bone
Mental Foramen
Radiosensitive cells
Fixer Solution
Free Radical Formation
13. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Canal
Radioresistant cells
Ramus
Mental Foramen
14. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent
Foramen
Superior Foramina of incisive canal
Roentgen
Somatic cells
15. Sievart
Rem (Roentgen equivalent (in) man)
Foramen
Conical PID
Zygoma
16. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Radioresistant cells
Nutrient Canals
Primary Radiation
Nonthreshold dose-response curve
17. Darkness or blackness on film. If kVp is increased film will be darker. If decreased - film will be lighter
Nasal Cavity/Fossa
Density
Inherent filtration
Fossa
18. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Zygomatic process of maxilla
Alveolar Crest
Coherent Scatter
Nonstochastic (deterministic) effects
19. 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)
Voltage
Total (inherent + added) filtration
Scatter Radiation
Cell sensitivity
20. U-shaped portion extending from ramus to ramus
Developer Solution
Maxillary sinus
Cell sensitivity
Body of Mandible
21. The x-ray photon is deflected from its path during its passage through matter
Density
Compton Scatter
Septa within maxillary sinus
Radiosensitive cells
22. 'hooklike' - posterior to maxillary tuberosity; extension of medial pterygoid plate of sphenoid bone; radiopaque
Process
External Oblique Ridge
Zygomatic process of maxilla
Hamulus
23. Rounded prominence that appears radiopaque
Zygomatic process of maxilla
Scatter Radiation
Ramus
Tuberosity
24. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Lingual Foramen
Rectangular and round PID
Lamina Dura
Nutrient Canals
25. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
Superior Foramina of incisive canal
Dose Rate
General Radiation
Density
26. Gray
Rad (Radiation absorbed dose)
Process
Zygoma
Internal Oblique Ridge
27. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.
Zygoma
Step-Up Transformer
Fixer Solution
Foramen
28. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
Tuberosity
Added filtration
Median palatine suture
Inferior Nasal Conchae
29. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments
Process
Anterior Nasal Spine
Direct Injury
Added filtration
30. X-radiation created when the primary beam interacts with a matter
Secondary Radiation
Coronoid Process
Superior Foramina of incisive canal
Stochastic effects
31. Marked prominence that appears radiopaque.
Process
Inferior Nasal Conchae
Contrast
Primary Radiation
32. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines
Nutrient Canals
Cortical Bone
Alveolar Process
Spine
33. Pear shaped compartment - appears above maxillary incisors. Appears as a large radiolucent area above the maxilla.
Conical PID
Periodontal Ligament Space
Nutrient Canals
Nasal Cavity/Fossa
34. Bony prominence posterior to maxillary third molar; radiopaque
The optimum temperature for manual processing?
Zygoma
Inferior Nasal Conchae
Maxillary Tuberosity
35. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Compton Scatter
Suture
Canal
Cortical Bone
36. Do not occur in dentistry
Alveolar Crest
Sinus
Foramen
Short-term effects
37. Surrounds root - cortical bone - radiopaque
Nutrient Canals
Conical PID
Lamina Dura
Radioresistant cells
38. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Amount of tissue irradiated
Hamulus
Genetic cells
Alveolar Crest
39. Bump or nodule that appears radiopaque
Lingual Foramen
Tubercle
Coherent Scatter
Inferior Nasal Conchae
40. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Coronoid Process
Density
Nutrient Canals
Nonstochastic (deterministic) effects
41. Cortical bone - radiopaque band above maxillary incisors
Submandibular Fossa
Foramen
Septum
Floor of Nasal Cavity
42. 68 Degrees F
The optimum temperature for manual processing?
Indirect injury
Septum
Body of Mandible
43. Coulombs per kilogram
Coronoid Process
Rad (Radiation absorbed dose)
Zygomatic process of maxilla
Roentgen
44. 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)
Fixer Solution
Superior Foramina of incisive canal
Amperage
Stochastic effects
45. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Body of Mandible
Fixer Solution
Roentgen
Mandibular Canal
46. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Process
Ridge
Incisive (Nasopalatine) Foramen
Internal Oblique Ridge
47. Intersection of maxillary sinus and nasal cavity - radiopaque - cortical bone; above maxillary canine.
Inverted Y
Maxillary Tuberosity
Sinus
Coherent Scatter
48. Occurs frequently due to the high concentration of water in cells.
Indirect injury
Primary Radiation
Amount of tissue irradiated
Superior Foramina of incisive canal
49. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Anterior Nasal Spine
Conical PID
Cancellous
Fixer Solution
50. 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.
Zygomatic process of maxilla
Characteristic Radiation
Septa within maxillary sinus
External Oblique Ridge