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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. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Kilovoltage peak adjustment
Step-Up Transformer
Mental Foramen
Compton Scatter
2. Cell damage occurs through formation of 'free radicals'. Free radicals are formed when an x-ray photon ionizes water.
Voltage
Rad (Radiation absorbed dose)
Lingual Foramen
Free Radical Formation
3. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
Ramus
Median palatine suture
Voltage
Ridge
4. 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
Contrast
Kilovoltage peak adjustment
Rem (Roentgen equivalent (in) man)
Nutrient Canals
5. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Secondary Radiation
Inferior Nasal Conchae
Total dose
Stochastic effects
6. Effects seen years - decades - or generations later
Long-term effects
Superior Foramina of incisive canal
Septa within maxillary sinus
Milliamperage adjustment
7. Pear shaped compartment - appears above maxillary incisors. Appears as a large radiolucent area above the maxilla.
Nasal Cavity/Fossa
Density
Lingual Foramen
Cancellous
8. Closed - pointed cone-high production of scatter - not used any longer.
Septum
Maxillary sinus
Conical PID
Foramen
9. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Mandibular Canal
Inferior Nasal Conchae
Septa within maxillary sinus
Amount of tissue irradiated
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
Step-Up Transformer
Fossa
Alveolar Process
11. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments
Lamina Dura
Cancellous
Added filtration
Zygoma
12. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
Step-Down Transformer
Lateral Fossa
Anterior Nasal Spine
General Radiation
13. More damage can occur in younger or rapidly dividing cells
Cell sensitivity
Step-Up Transformer
Maxillary sinus
Roentgen
14. The x-ray photon is deflected from its path during its passage through matter
Lingual Foramen
Compton Scatter
Rad (Radiation absorbed dose)
Internal Oblique Ridge
15. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Genetic cells
Process
Submandibular Fossa
Cancellous
16. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen
Floor of Nasal Cavity
Superior Foramina of incisive canal
Submandibular Fossa
General Radiation
17. Linear prominence that appears radiopaque.
Fossa
Characteristic Radiation
Ridge
Nutrient Canals
18. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Somatic cells
Zygoma
Mandibular Canal
Long-term effects
19. V-shaped radiopacity at intersection of floor of nasal cavity and septum
The conditions required for the darkroom
External Oblique Ridge
Total (inherent + added) filtration
Anterior Nasal Spine
20. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Ramus
Nutrient Canals
Nonthreshold dose-response curve
Internal Oblique Ridge
21. 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)
Maxillary Tuberosity
Secondary Radiation
Cortical Bone
Stochastic effects
22. X-radiation created when the primary beam interacts with a matter
Amperage
Coherent Scatter
Secondary Radiation
Added filtration
23. Mature bone - muscle - nerve
Nasal Cavity/Fossa
Lateral Fossa
Radioresistant cells
Median palatine suture
24. Surrounds root - cortical bone - radiopaque
Rectangular and round PID
Lamina Dura
Sinus
Radiosensitive cells
25. Posterior to mandibular third molar
Ramus
Rem (Roentgen equivalent (in) man)
Sinus
Latent Period
26. Hollow space - cavity that appears radiolucent
Canal
Rem (Roentgen equivalent (in) man)
Sinus
Direct Injury
27. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Fossa
Canal
Nutrient Canals
Radiosensitive cells
28. Marked prominence that appears radiopaque.
Process
Canal
Maxillary sinus
Nonthreshold dose-response curve
29. Coulombs per kilogram
Characteristic Radiation
Inferior Nasal Conchae
Roentgen
Density
30. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Total dose
Direct Injury
Alveolar Crest
Alveolar Process
31. Bony prominence posterior to maxillary third molar; radiopaque
Maxillary Tuberosity
Mental Foramen
General Radiation
Kilovoltage peak adjustment
32. 'hooklike' - posterior to maxillary tuberosity; extension of medial pterygoid plate of sphenoid bone; radiopaque
Hamulus
Milliamperage adjustment
Inverted Y
Primary Radiation
33. Can control the current passing from the cathode to the anode.
Lamina Dura
Rad (Radiation absorbed dose)
Added filtration
Kilovoltage peak adjustment
34. Bump or nodule that appears radiopaque
Fossa
Coherent Scatter
Tubercle
The conditions required for the darkroom
35. An x-ray photon that has its path altered by matter.
Foramen
The conditions required for the darkroom
Suture
Coherent Scatter
36. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Kilovoltage peak adjustment
Scatter Radiation
Nonthreshold dose-response curve
Incisive (Nasopalatine) Foramen
37. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Cancellous
Nonstochastic (deterministic) effects
Step-Up Transformer
Characteristic Radiation
38. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)
Amperage
Kilovoltage peak adjustment
Maxillary sinus
Voltage
39. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines
Periodontal Ligament Space
External Oblique Ridge
Process
Nutrient Canals
40. The penetrating x-ray beam that is produced at the target of the anode
Primary Radiation
Median palatine suture
Nutrient Canals
Internal Oblique Ridge
41. Scooped out of depressed area of bone that appears radiolucent
Sinus
Fossa
The optimum temperature for manual processing?
Step-Up Transformer
42. Darkness or blackness on film. If kVp is increased film will be darker. If decreased - film will be lighter
Fixer Solution
Developer Solution
Density
External Oblique Ridge
43. Quantity of radiation received or total amount absorbed (more damage with tissue absorbing large quantities of radiation)
Internal Oblique Ridge
Cell sensitivity
Total dose
Secondary Radiation
44. Within maxillary sinus; acts as a division - radiopaque lines sometimes not visible
Septa within maxillary sinus
Collimation
Canal
Direct Injury
45. 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)
Inherent filtration
Dose Rate
Tuberosity
Roentgen
46. Encases/supports teeth
Alveolar Process
Milliamperage adjustment
General Radiation
Inverted Y
47. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.
Latent Period
Step-Down Transformer
Nonthreshold dose-response curve
Periodontal Ligament Space
48. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.
Periodontal Ligament Space
Step-Up Transformer
Tubercle
Somatic cells
49. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Alveolar Process
Superior Foramina of incisive canal
Rectangular and round PID
Cortical Bone
50. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Roentgen
Tubercle
Tuberosity
Incisive (Nasopalatine) Foramen