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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
.
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. Can increase or decrease the number of electrons passing through the cathode filament
Internal Oblique Ridge
Conical PID
Total (inherent + added) filtration
Milliamperage adjustment
2. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Septa within maxillary sinus
Step-Down Transformer
Mandibular Canal
Density
3. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Inferior Nasal Conchae
Anterior Nasal Spine
Roentgen
Nutrient Canals
4. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines
Voltage
Nonthreshold dose-response curve
Nutrient Canals
Coronoid Process
5. 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
The optimum temperature for manual processing?
Rem (Roentgen equivalent (in) man)
Contrast
Nonstochastic (deterministic) effects
6. Time between exposure to ionizing radiation and the appearance of observable clinical signs.
Latent Period
Coherent Scatter
Ramus
Nutrient Canals
7. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Incisive (Nasopalatine) Foramen
Coronoid Process
Spine
Indirect injury
8. Coulombs per kilogram
Cortical Bone
Characteristic Radiation
Roentgen
Septum
9. 68 Degrees F
The optimum temperature for manual processing?
Suture
Incisive (Nasopalatine) Foramen
Zygomatic process of maxilla
10. Do not occur in dentistry
Short-term effects
Inverted Y
Alveolar Process
Somatic cells
11. Sievart
External Oblique Ridge
Internal Oblique Ridge
Submandibular Fossa
Rem (Roentgen equivalent (in) man)
12. 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)
Primary Radiation
General Radiation
Dose Rate
Incisive (Nasopalatine) Foramen
13. X-radiation created when the primary beam interacts with a matter
Secondary Radiation
Hamulus
Nonstochastic (deterministic) effects
External Oblique Ridge
14. Superior to internal oblique ridge; anterior border of ramus ends in external oblique ridge; radiopaque band
Alveolar Process
Step-Down Transformer
External Oblique Ridge
Inferior Nasal Conchae
15. All cells except reproductive; effects are seen in person irradiated
Internal Oblique Ridge
Somatic cells
Genetic cells
Alveolar Crest
16. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Latent Period
General Radiation
Fixer Solution
Nutrient Canals
17. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
Ramus
Spine
Inherent filtration
Median palatine suture
18. Continues from ramus; radiopaque band
Internal Oblique Ridge
Cortical Bone
Roentgen
Canal
19. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)
Zygoma
Inferior Nasal Conchae
Amperage
Coronoid Process
20. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Inverted Y
Alveolar Process
Genial Tubercles
Submandibular Fossa
21. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Maxillary Tuberosity
The conditions required for the darkroom
Zygoma
Amperage
22. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Anterior Nasal Spine
Genetic cells
Lateral Fossa
Tuberosity
23. An x-ray photon that has its path altered by matter.
Kilovoltage peak adjustment
Indirect injury
Coherent Scatter
Lateral Fossa
24. Can control the current passing from the cathode to the anode.
Canal
Fixer Solution
Kilovoltage peak adjustment
Inferior Nasal Conchae
25. 'hooklike' - posterior to maxillary tuberosity; extension of medial pterygoid plate of sphenoid bone; radiopaque
Short-term effects
Indirect injury
Hamulus
Septum
26. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen
Superior Foramina of incisive canal
Short-term effects
Floor of Nasal Cavity
The optimum temperature for manual processing?
27. Linear prominence that appears radiopaque.
Ridge
Scatter Radiation
Voltage
Zygoma
28. Between canine and lateral incisor - depression is not always visible - radiolucent
Genetic cells
Lateral Fossa
Compton Scatter
Alveolar Crest
29. Mature bone - muscle - nerve
Radioresistant cells
Process
Alveolar Process
Dose Rate
30. Bony wall that divides 2 spaces - radiopaque
Rad (Radiation absorbed dose)
Amperage
Fossa
Septum
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.
Nutrient Canals
Secondary Radiation
Characteristic Radiation
Indirect injury
32. Cortical bone - radiopaque band above maxillary incisors
Floor of Nasal Cavity
Zygoma
Secondary Radiation
Cortical Bone
33. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Genetic cells
Nonstochastic (deterministic) effects
Dose Rate
Lingual Foramen
34. A line of union between adjoining bones - found only in skull; appears as radiolucent line
Rectangular and round PID
Suture
Internal Oblique Ridge
Inverted Y
35. Surrounds root - cortical bone - radiopaque
Incisive (Nasopalatine) Foramen
Characteristic Radiation
Lamina Dura
Zygoma
36. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Nonthreshold dose-response curve
Secondary Radiation
Tuberosity
Genetic cells
37. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments
External Oblique Ridge
Nasal Cavity/Fossa
Added filtration
Total (inherent + added) filtration
38. V-shaped radiopacity at intersection of floor of nasal cavity and septum
Density
Coronoid Process
Cell sensitivity
Anterior Nasal Spine
39. Occurs frequently due to the high concentration of water in cells.
Maxillary sinus
Mylohyoid Ridge
Indirect injury
Added filtration
40. The penetrating x-ray beam that is produced at the target of the anode
Primary Radiation
Indirect injury
Cancellous
Zygomatic process of maxilla
41. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Inverted Y
Cancellous
Spine
Amperage
42. Intersection of maxillary sinus and nasal cavity - radiopaque - cortical bone; above maxillary canine.
Septa within maxillary sinus
Kilovoltage peak adjustment
Rad (Radiation absorbed dose)
Inverted Y
43. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.
Fossa
Mylohyoid Ridge
Inverted Y
Step-Down Transformer
44. Cell damage occurs through formation of 'free radicals'. Free radicals are formed when an x-ray photon ionizes water.
Free Radical Formation
Radiosensitive cells
Dose Rate
External Oblique Ridge
45. 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)
Cancellous
Genetic cells
Long-term effects
Voltage
46. Bony prominence posterior to maxillary third molar; radiopaque
Amount of tissue irradiated
Nonstochastic (deterministic) effects
Maxillary Tuberosity
Collimation
47. Darkness or blackness on film. If kVp is increased film will be darker. If decreased - film will be lighter
Tuberosity
Conical PID
Radioresistant cells
Density
48. Rounded prominence that appears radiopaque
Tuberosity
General Radiation
Cortical Bone
Step-Down Transformer
49. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Median palatine suture
Alveolar Crest
Anterior Nasal Spine
Nasal Cavity/Fossa
50. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Coronoid Process
Inferior Nasal Conchae
Secondary Radiation
Fixer Solution
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