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Test your basic knowledge |
Radiology 3
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Subjects
:
health-sciences
,
radiology
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Genetic cells
Cortical Bone
Inferior Nasal Conchae
Foramen
2. Coulombs per kilogram
Nonthreshold dose-response curve
Internal Oblique Ridge
Roentgen
Direct Injury
3. Anterior ramus of mandible; attachment for muscle of mastication; superimposed around maxillary tuberosity.
Tuberosity
Scatter Radiation
Septum
Coronoid Process
4. Posterior to mandibular third molar
Zygomatic process of maxilla
Roentgen
Ramus
Fixer Solution
5. 68 Degrees F
The optimum temperature for manual processing?
Tuberosity
Maxillary Tuberosity
Collimation
6. Small lymphocyte - bone marrow - reproductive cells - immature bone
Total dose
Ramus
Voltage
Radiosensitive cells
7. Cortical bone - radiopaque band above maxillary incisors
Floor of Nasal Cavity
Septa within maxillary sinus
Developer Solution
Tubercle
8. Sharp - thornlike projection that appears radiopaque.
Density
Lamina Dura
Spine
Alveolar Process
9. More damage can occur in younger or rapidly dividing cells
Density
Sinus
The optimum temperature for manual processing?
Cell sensitivity
10. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Foramen
Lingual Foramen
Zygoma
Maxillary sinus
11. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Cortical Bone
Maxillary sinus
Submandibular Fossa
Median palatine suture
12. Bony wall that divides 2 spaces - radiopaque
Hamulus
Alveolar Crest
Septum
Suture
13. 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)
Foramen
Stochastic effects
Incisive (Nasopalatine) Foramen
Lamina Dura
14. Hollow space - cavity that appears radiolucent
Floor of Nasal Cavity
Body of Mandible
Cell sensitivity
Sinus
15. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Mandibular Canal
Cortical Bone
Amount of tissue irradiated
Tuberosity
16. A form of secondary radiation - the result of x-rays that has been deflected from its path by an interaction with matter.
Process
Scatter Radiation
Free Radical Formation
Incisive (Nasopalatine) Foramen
17. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Direct Injury
Lingual Foramen
Alveolar Crest
Contrast
18. Space between root and the lamina dura - thin - radiolucent line - healthy PDL is uniform thickness
Ramus
Periodontal Ligament Space
Process
Inherent filtration
19. Scooped out of depressed area of bone that appears radiolucent
Step-Down Transformer
Fossa
Septa within maxillary sinus
Roentgen
20. Bony prominence posterior to maxillary third molar; radiopaque
Maxillary Tuberosity
Septum
Genial Tubercles
Canal
21. Superior to internal oblique ridge; anterior border of ramus ends in external oblique ridge; radiopaque band
Contrast
Inherent filtration
External Oblique Ridge
Process
22. A line of union between adjoining bones - found only in skull; appears as radiolucent line
Total dose
Genetic cells
Internal Oblique Ridge
Suture
23. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Lamina Dura
Scatter Radiation
Zygoma
Total (inherent + added) filtration
24. Located above maxillary premolar/molar teeth - border is made up of cortical bone; sinus cavity is radiolucent compartment
Indirect injury
Maxillary sinus
Collimation
Incisive (Nasopalatine) Foramen
25. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Mental Foramen
Body of Mandible
Rectangular and round PID
Cell sensitivity
26. Effects seen years - decades - or generations later
Step-Down Transformer
Cancellous
Long-term effects
Developer Solution
27. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines
Nutrient Canals
Genial Tubercles
Ridge
Maxillary sinus
28. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum
Somatic cells
Radiosensitive cells
Process
Inherent filtration
29. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent
Foramen
Septum
Radioresistant cells
Total (inherent + added) filtration
30. Continues from ramus; radiopaque band
Internal Oblique Ridge
The optimum temperature for manual processing?
Floor of Nasal Cavity
Ramus
31. 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.
Alveolar Crest
Cell sensitivity
General Radiation
Characteristic Radiation
32. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Compton Scatter
Maxillary sinus
Genial Tubercles
Inverted Y
33. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.
Characteristic Radiation
Collimation
Step-Down Transformer
Voltage
34. Reduces exposed silver halide crystals into black metallic silver a makes dark/black areas on film; unexposed silver halide crystals are unaffected by developer
Developer Solution
Sinus
Zygoma
Zygomatic process of maxilla
35. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Kilovoltage peak adjustment
Mandibular Canal
Superior Foramina of incisive canal
Canal
36. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Free Radical Formation
Nonthreshold dose-response curve
General Radiation
Rectangular and round PID
37. 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
Periodontal Ligament Space
Free Radical Formation
Contrast
Alveolar Process
38. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Hamulus
Kilovoltage peak adjustment
Mandibular Canal
Radiosensitive cells
39. 16-20 square feet (at least 4x4) - Light tight - Safelight must be at least 4 feet from the working area
Fossa
Voltage
Latent Period
The conditions required for the darkroom
40. Occurs frequently due to the high concentration of water in cells.
Superior Foramina of incisive canal
Radioresistant cells
Indirect injury
Voltage
41. 'hooklike' - posterior to maxillary tuberosity; extension of medial pterygoid plate of sphenoid bone; radiopaque
Nonstochastic (deterministic) effects
Hamulus
Suture
General Radiation
42. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.
Submandibular Fossa
External Oblique Ridge
Step-Up Transformer
Anterior Nasal Spine
43. Between canine and lateral incisor - depression is not always visible - radiolucent
Tubercle
Floor of Nasal Cavity
Lateral Fossa
Mandibular Canal
44. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Incisive (Nasopalatine) Foramen
Floor of Nasal Cavity
Mental Foramen
Lingual Foramen
45. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
Anterior Nasal Spine
Process
Median palatine suture
Septum
46. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Step-Up Transformer
Genetic cells
Conical PID
Genial Tubercles
47. 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.
Alveolar Crest
Ramus
Total (inherent + added) filtration
Internal Oblique Ridge
48. The penetrating x-ray beam that is produced at the target of the anode
Mandibular Canal
Primary Radiation
Tubercle
Stochastic effects
49. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
General Radiation
Latent Period
Lingual Foramen
Radioresistant cells
50. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)
Characteristic Radiation
Long-term effects
Amperage
Added filtration
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