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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
Anterior Nasal Spine
Step-Up Transformer
Tubercle
Maxillary sinus
2. Marked prominence that appears radiopaque.
Process
Coherent Scatter
Superior Foramina of incisive canal
Canal
3. Bump or nodule that appears radiopaque
Nonthreshold dose-response curve
Lateral Fossa
Roentgen
Tubercle
4. Internal ridge of mandible muscle attachment - continuous with internal oblique ridge; radiopaque line
Mylohyoid Ridge
Radioresistant cells
Inverted Y
Long-term effects
5. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Mental Foramen
Genial Tubercles
Rectangular and round PID
Direct Injury
6. Can increase or decrease the number of electrons passing through the cathode filament
Maxillary sinus
Coronoid Process
Mylohyoid Ridge
Milliamperage adjustment
7. Occurs frequently due to the high concentration of water in cells.
Ramus
Septum
Conical PID
Indirect injury
8. Hollow space - cavity that appears radiolucent
Inherent filtration
Sinus
Total (inherent + added) filtration
Total dose
9. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Maxillary Tuberosity
Latent Period
Submandibular Fossa
Lamina Dura
10. Bony wall that divides 2 spaces - radiopaque
Inferior Nasal Conchae
Tubercle
Floor of Nasal Cavity
Septum
11. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Periodontal Ligament Space
Cancellous
Nasal Cavity/Fossa
Somatic cells
12. Effects seen years - decades - or generations later
Fossa
Zygomatic process of maxilla
Contrast
Long-term effects
13. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Developer Solution
Inferior Nasal Conchae
External Oblique Ridge
Canal
14. 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.
Rectangular and round PID
Lamina Dura
Characteristic Radiation
Kilovoltage peak adjustment
15. Sharp - thornlike projection that appears radiopaque.
Somatic cells
Hamulus
Spine
Characteristic Radiation
16. The penetrating x-ray beam that is produced at the target of the anode
Primary Radiation
Suture
Nutrient Canals
Mylohyoid Ridge
17. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Roentgen
Cortical Bone
The conditions required for the darkroom
Secondary Radiation
18. A line of union between adjoining bones - found only in skull; appears as radiolucent line
Internal Oblique Ridge
Suture
Characteristic Radiation
Median palatine suture
19. 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.
Submandibular Fossa
Total (inherent + added) filtration
Step-Down Transformer
Amount of tissue irradiated
20. An x-ray photon that has its path altered by matter.
Coherent Scatter
Nutrient Canals
Indirect injury
Anterior Nasal Spine
21. Cell damage occurs through formation of 'free radicals'. Free radicals are formed when an x-ray photon ionizes water.
Free Radical Formation
Characteristic Radiation
Compton Scatter
Fossa
22. 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)
Cortical Bone
Total dose
Internal Oblique Ridge
Stochastic effects
23. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent
Periodontal Ligament Space
Foramen
Step-Down Transformer
External Oblique Ridge
24. Cortical bone - radiopaque band above maxillary incisors
Alveolar Crest
The conditions required for the darkroom
Floor of Nasal Cavity
Somatic cells
25. 8 inch and 16 inch; longer are preferred due to less divergence of beam - open ended and lead lined.
Roentgen
Median palatine suture
Compton Scatter
Rectangular and round PID
26. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Rem (Roentgen equivalent (in) man)
Zygoma
Radioresistant cells
Step-Up Transformer
27. Sievart
Process
Alveolar Crest
Alveolar Process
Rem (Roentgen equivalent (in) man)
28. Bony prominence posterior to maxillary third molar; radiopaque
Total dose
Maxillary Tuberosity
Alveolar Crest
Zygomatic process of maxilla
29. Surrounds root - cortical bone - radiopaque
Lamina Dura
Somatic cells
Cancellous
The optimum temperature for manual processing?
30. Gray
Rad (Radiation absorbed dose)
Primary Radiation
Inferior Nasal Conchae
Kilovoltage peak adjustment
31. All cells except reproductive; effects are seen in person irradiated
Lingual Foramen
Radiosensitive cells
Somatic cells
Zygomatic process of maxilla
32. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Characteristic Radiation
Mandibular Canal
Voltage
Roentgen
33. 16-20 square feet (at least 4x4) - Light tight - Safelight must be at least 4 feet from the working area
Cortical Bone
Kilovoltage peak adjustment
Total dose
The conditions required for the darkroom
34. Small lymphocyte - bone marrow - reproductive cells - immature bone
Free Radical Formation
Radiosensitive cells
Characteristic Radiation
Long-term effects
35. X-radiation created when the primary beam interacts with a matter
Secondary Radiation
Inherent filtration
Alveolar Crest
Radiosensitive cells
36. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Developer Solution
Radiosensitive cells
Fixer Solution
External Oblique Ridge
37. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Nonstochastic (deterministic) effects
Nutrient Canals
Step-Up Transformer
Cell sensitivity
38. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Nonthreshold dose-response curve
Inferior Nasal Conchae
Milliamperage adjustment
Kilovoltage peak adjustment
39. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Tubercle
Rad (Radiation absorbed dose)
Step-Down Transformer
Genetic cells
40. Rounded prominence that appears radiopaque
Roentgen
External Oblique Ridge
Tuberosity
Coherent Scatter
41. Posterior to mandibular third molar
Ramus
Inverted Y
Septum
Process
42. Within maxillary sinus; acts as a division - radiopaque lines sometimes not visible
Septa within maxillary sinus
Rectangular and round PID
Nasal Cavity/Fossa
Stochastic effects
43. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Inverted Y
Genial Tubercles
Contrast
Lingual Foramen
44. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Alveolar Crest
Radiosensitive cells
Cell sensitivity
Alveolar Process
45. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum
Step-Down Transformer
Tuberosity
External Oblique Ridge
Inherent filtration
46. 68 Degrees F
Maxillary Tuberosity
The optimum temperature for manual processing?
Kilovoltage peak adjustment
Genetic cells
47. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
Mental Foramen
Maxillary Tuberosity
General Radiation
Long-term effects
48. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Cortical Bone
Canal
Mental Foramen
Developer Solution
49. 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)
Spine
Amount of tissue irradiated
Floor of Nasal Cavity
Dose Rate
50. Encases/supports teeth
Compton Scatter
Hamulus
Alveolar Process
Inherent filtration