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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. Marked prominence that appears radiopaque.
Process
Dose Rate
Total dose
Amount of tissue irradiated
2. Somatic effects that have a threshold; effects increase in severity with increasing absorbed dose. (Examples: Erythema - loss of hair - cataracts - and decreased fertility)
Nonstochastic (deterministic) effects
Zygomatic process of maxilla
Periodontal Ligament Space
Canal
3. Occurs very little; most photons pass through cell with little or no damage
Lateral Fossa
Collimation
Direct Injury
Cancellous
4. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Nonthreshold dose-response curve
Submandibular Fossa
Lateral Fossa
Collimation
5. 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)
Zygomatic process of maxilla
Dose Rate
Voltage
Hamulus
6. Rounded prominence that appears radiopaque
Tuberosity
Process
Zygoma
Mandibular Canal
7. Cortical bone; J or U shaped radiopacity
Zygomatic process of maxilla
Canal
Dose Rate
Mylohyoid Ridge
8. Superior to internal oblique ridge; anterior border of ramus ends in external oblique ridge; radiopaque band
Median palatine suture
Step-Down Transformer
Scatter Radiation
External Oblique Ridge
9. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Tubercle
Amperage
Contrast
Genetic cells
10. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Amperage
Mandibular Canal
Lingual Foramen
Conical PID
11. Linear prominence that appears radiopaque.
Conical PID
Direct Injury
Ridge
Nutrient Canals
12. Posterior to mandibular third molar
Lamina Dura
Ramus
Collimation
Inferior Nasal Conchae
13. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
Total (inherent + added) filtration
Sinus
Lingual Foramen
Median palatine suture
14. Surrounds root - cortical bone - radiopaque
Developer Solution
Lamina Dura
Lingual Foramen
Periodontal Ligament Space
15. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Added filtration
Direct Injury
Maxillary sinus
Alveolar Crest
16. Pear shaped compartment - appears above maxillary incisors. Appears as a large radiolucent area above the maxilla.
Collimation
Genial Tubercles
Roentgen
Nasal Cavity/Fossa
17. Bony wall that divides 2 spaces - radiopaque
The conditions required for the darkroom
Secondary Radiation
Rem (Roentgen equivalent (in) man)
Septum
18. Mature bone - muscle - nerve
Radiosensitive cells
Zygoma
Radioresistant cells
Floor of Nasal Cavity
19. Occurs frequently due to the high concentration of water in cells.
Stochastic effects
Latent Period
Indirect injury
Body of Mandible
20. All cells except reproductive; effects are seen in person irradiated
Lingual Foramen
Somatic cells
Indirect injury
Periodontal Ligament Space
21. Coulombs per kilogram
Roentgen
Conical PID
Latent Period
Genetic cells
22. A line of union between adjoining bones - found only in skull; appears as radiolucent line
Process
Mylohyoid Ridge
Suture
Alveolar Process
23. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments
Coronoid Process
Nonthreshold dose-response curve
Total (inherent + added) filtration
Added filtration
24. The penetrating x-ray beam that is produced at the target of the anode
Hamulus
Spine
Primary Radiation
Fossa
25. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Primary Radiation
Tuberosity
Somatic cells
Inferior Nasal Conchae
26. Cortical bone - radiopaque band above maxillary incisors
Suture
Indirect injury
Coronoid Process
Floor of Nasal Cavity
27. 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.
Superior Foramina of incisive canal
The conditions required for the darkroom
Mental Foramen
Total (inherent + added) filtration
28. Can control the current passing from the cathode to the anode.
Process
Kilovoltage peak adjustment
Cancellous
Cortical Bone
29. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Total dose
Zygoma
Compton Scatter
Total (inherent + added) filtration
30. 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
Cortical Bone
Floor of Nasal Cavity
Nasal Cavity/Fossa
31. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Maxillary sinus
Tubercle
Voltage
Genial Tubercles
32. Effects seen years - decades - or generations later
Foramen
Amount of tissue irradiated
Genetic cells
Long-term effects
33. Encases/supports teeth
Indirect injury
Rem (Roentgen equivalent (in) man)
Alveolar Process
Foramen
34. A form of secondary radiation - the result of x-rays that has been deflected from its path by an interaction with matter.
Suture
Coherent Scatter
Added filtration
Scatter Radiation
35. Bump or nodule that appears radiopaque
Foramen
Anterior Nasal Spine
Indirect injury
Tubercle
36. Space between root and the lamina dura - thin - radiolucent line - healthy PDL is uniform thickness
Nutrient Canals
Periodontal Ligament Space
Rem (Roentgen equivalent (in) man)
Short-term effects
37. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Fixer Solution
Lateral Fossa
Step-Up Transformer
Mylohyoid Ridge
38. 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.
Characteristic Radiation
Zygoma
Direct Injury
Milliamperage adjustment
39. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
The optimum temperature for manual processing?
Total dose
Canal
Rad (Radiation absorbed dose)
40. An x-ray photon that has its path altered by matter.
Septa within maxillary sinus
Floor of Nasal Cavity
Scatter Radiation
Coherent Scatter
41. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.
Step-Up Transformer
Secondary Radiation
Median palatine suture
The conditions required for the darkroom
42. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Mental Foramen
The conditions required for the darkroom
Dose Rate
Collimation
43. Gray
Rad (Radiation absorbed dose)
Submandibular Fossa
Indirect injury
Inferior Nasal Conchae
44. Area of body exposed total body produced more adverse effects
Amount of tissue irradiated
Rad (Radiation absorbed dose)
Suture
Direct Injury
45. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Incisive (Nasopalatine) Foramen
Alveolar Process
Mental Foramen
Inverted Y
46. 16-20 square feet (at least 4x4) - Light tight - Safelight must be at least 4 feet from the working area
Rad (Radiation absorbed dose)
The conditions required for the darkroom
External Oblique Ridge
Scatter Radiation
47. Continues from ramus; radiopaque band
Internal Oblique Ridge
Inherent filtration
Lateral Fossa
External Oblique Ridge
48. Can increase or decrease the number of electrons passing through the cathode filament
Milliamperage adjustment
Body of Mandible
Coronoid Process
Suture
49. Quantity of radiation received or total amount absorbed (more damage with tissue absorbing large quantities of radiation)
Genial Tubercles
Total dose
Inherent filtration
Radiosensitive cells
50. Between canine and lateral incisor - depression is not always visible - radiolucent
Incisive (Nasopalatine) Foramen
The optimum temperature for manual processing?
Lateral Fossa
Indirect injury