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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. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Genetic cells
Floor of Nasal Cavity
Superior Foramina of incisive canal
Fossa
2. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Genetic cells
Alveolar Crest
Alveolar Process
General Radiation
3. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Cancellous
Rad (Radiation absorbed dose)
Conical PID
Zygomatic process of maxilla
4. Linear prominence that appears radiopaque.
Median palatine suture
Collimation
Direct Injury
Ridge
5. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent
Latent Period
Foramen
Density
Mylohyoid Ridge
6. Area of body exposed total body produced more adverse effects
Amount of tissue irradiated
Inherent filtration
Ridge
Radiosensitive cells
7. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines
Stochastic effects
Voltage
Maxillary Tuberosity
Nutrient Canals
8. Occurs very little; most photons pass through cell with little or no damage
Somatic cells
Zygomatic process of maxilla
Direct Injury
Genial Tubercles
9. Cortical bone; J or U shaped radiopacity
Maxillary Tuberosity
Radiosensitive cells
Zygomatic process of maxilla
Superior Foramina of incisive canal
10. 16-20 square feet (at least 4x4) - Light tight - Safelight must be at least 4 feet from the working area
The conditions required for the darkroom
Floor of Nasal Cavity
Coronoid Process
Contrast
11. Continues from ramus; radiopaque band
Inherent filtration
Radioresistant cells
Internal Oblique Ridge
Foramen
12. Superior to internal oblique ridge; anterior border of ramus ends in external oblique ridge; radiopaque band
Tubercle
External Oblique Ridge
Somatic cells
Lateral Fossa
13. 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.
Amount of tissue irradiated
Septa within maxillary sinus
Periodontal Ligament Space
Characteristic Radiation
14. Sievart
Dose Rate
Median palatine suture
Free Radical Formation
Rem (Roentgen equivalent (in) man)
15. More damage can occur in younger or rapidly dividing cells
Cell sensitivity
Fossa
Sinus
Floor of Nasal Cavity
16. V-shaped radiopacity at intersection of floor of nasal cavity and septum
Hamulus
Mental Foramen
Anterior Nasal Spine
Step-Up Transformer
17. U-shaped portion extending from ramus to ramus
Rad (Radiation absorbed dose)
Lamina Dura
Body of Mandible
Suture
18. Gray
Lateral Fossa
Rad (Radiation absorbed dose)
Secondary Radiation
Incisive (Nasopalatine) Foramen
19. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Total (inherent + added) filtration
Contrast
Canal
Foramen
20. Located above maxillary premolar/molar teeth - border is made up of cortical bone; sinus cavity is radiolucent compartment
Cancellous
Rad (Radiation absorbed dose)
Maxillary sinus
Suture
21. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum
Radiosensitive cells
Kilovoltage peak adjustment
Fossa
Inherent filtration
22. Posterior to mandibular third molar
Nutrient Canals
Compton Scatter
Zygoma
Ramus
23. Encases/supports teeth
Alveolar Process
Stochastic effects
Floor of Nasal Cavity
Primary Radiation
24. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Fixer Solution
Maxillary sinus
Total dose
Nasal Cavity/Fossa
25. Effects seen years - decades - or generations later
Long-term effects
Rem (Roentgen equivalent (in) man)
Septum
Canal
26. Darkness or blackness on film. If kVp is increased film will be darker. If decreased - film will be lighter
Compton Scatter
Density
Mandibular Canal
Developer Solution
27. Can control the current passing from the cathode to the anode.
Kilovoltage peak adjustment
Nonstochastic (deterministic) effects
Dose Rate
Direct Injury
28. Coulombs per kilogram
Septum
Primary Radiation
Lingual Foramen
Roentgen
29. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Submandibular Fossa
Rectangular and round PID
Mandibular Canal
Added filtration
30. Cell damage occurs through formation of 'free radicals'. Free radicals are formed when an x-ray photon ionizes water.
Direct Injury
Radiosensitive cells
Spine
Free Radical Formation
31. An x-ray photon that has its path altered by matter.
Nonstochastic (deterministic) effects
Short-term effects
Coherent Scatter
Latent Period
32. The penetrating x-ray beam that is produced at the target of the anode
Roentgen
Median palatine suture
Primary Radiation
Dose Rate
33. 8 inch and 16 inch; longer are preferred due to less divergence of beam - open ended and lead lined.
Somatic cells
Rectangular and round PID
Radioresistant cells
Conical PID
34. Rounded prominence that appears radiopaque
Long-term effects
Nutrient Canals
Tuberosity
Total dose
35. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Zygoma
Roentgen
Incisive (Nasopalatine) Foramen
External Oblique Ridge
36. Between canine and lateral incisor - depression is not always visible - radiolucent
Lateral Fossa
Coherent Scatter
Mental Foramen
Rectangular and round PID
37. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Anterior Nasal Spine
Inferior Nasal Conchae
Hamulus
Sinus
38. Mature bone - muscle - nerve
Radioresistant cells
Nutrient Canals
Contrast
Anterior Nasal Spine
39. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Nonthreshold dose-response curve
Floor of Nasal Cavity
Added filtration
Lingual Foramen
40. The x-ray photon is deflected from its path during its passage through matter
Hamulus
Suture
Compton Scatter
Mandibular Canal
41. A line of union between adjoining bones - found only in skull; appears as radiolucent line
Process
Characteristic Radiation
Suture
Nonstochastic (deterministic) effects
42. 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)
Genial Tubercles
Inherent filtration
Radiosensitive cells
Dose Rate
43. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.
Compton Scatter
Cortical Bone
Suture
Step-Up Transformer
44. 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
Coherent Scatter
Density
Contrast
Mylohyoid Ridge
45. Time between exposure to ionizing radiation and the appearance of observable clinical signs.
Total (inherent + added) filtration
Rem (Roentgen equivalent (in) man)
Somatic cells
Latent Period
46. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen
Superior Foramina of incisive canal
Floor of Nasal Cavity
Inferior Nasal Conchae
Step-Up Transformer
47. Bony prominence posterior to maxillary third molar; radiopaque
Total dose
Kilovoltage peak adjustment
Maxillary Tuberosity
Alveolar Process
48. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
Lamina Dura
General Radiation
Spine
Submandibular Fossa
49. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
The conditions required for the darkroom
Secondary Radiation
Mental Foramen
Amperage
50. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments
Hamulus
Zygomatic process of maxilla
Zygoma
Added filtration