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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. Small lymphocyte - bone marrow - reproductive cells - immature bone
Indirect injury
Stochastic effects
External Oblique Ridge
Radiosensitive cells
2. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Secondary Radiation
Mandibular Canal
Mental Foramen
Process
3. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen
Superior Foramina of incisive canal
Rectangular and round PID
Tubercle
Process
4. Area of body exposed total body produced more adverse effects
Tuberosity
Total (inherent + added) filtration
Amount of tissue irradiated
Coronoid Process
5. More damage can occur in younger or rapidly dividing cells
Submandibular Fossa
Cell sensitivity
Radioresistant cells
Maxillary Tuberosity
6. Space between root and the lamina dura - thin - radiolucent line - healthy PDL is uniform thickness
Added filtration
Tuberosity
Periodontal Ligament Space
Scatter Radiation
7. Located above maxillary premolar/molar teeth - border is made up of cortical bone; sinus cavity is radiolucent compartment
Lingual Foramen
Coherent Scatter
Maxillary sinus
Rad (Radiation absorbed dose)
8. Marked prominence that appears radiopaque.
Septum
Process
Maxillary sinus
Stochastic effects
9. Mature bone - muscle - nerve
Primary Radiation
Alveolar Process
Direct Injury
Radioresistant cells
10. 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)
Genial Tubercles
Mental Foramen
Indirect injury
Voltage
11. Do not occur in dentistry
Inferior Nasal Conchae
Inverted Y
Mylohyoid Ridge
Short-term effects
12. Internal ridge of mandible muscle attachment - continuous with internal oblique ridge; radiopaque line
Hamulus
Mandibular Canal
Cell sensitivity
Mylohyoid Ridge
13. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Cancellous
Sinus
Lamina Dura
Floor of Nasal Cavity
14. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
General Radiation
External Oblique Ridge
Periodontal Ligament Space
Direct Injury
15. Quantity of radiation received or total amount absorbed (more damage with tissue absorbing large quantities of radiation)
Median palatine suture
Kilovoltage peak adjustment
Total dose
Cancellous
16. V-shaped radiopacity at intersection of floor of nasal cavity and septum
Maxillary sinus
Total (inherent + added) filtration
Submandibular Fossa
Anterior Nasal Spine
17. Bony prominence posterior to maxillary third molar; radiopaque
Mandibular Canal
Maxillary Tuberosity
Conical PID
Total (inherent + added) filtration
18. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Inverted Y
Lingual Foramen
Step-Down Transformer
Ramus
19. Occurs frequently due to the high concentration of water in cells.
Nonstochastic (deterministic) effects
Indirect injury
Ramus
Secondary Radiation
20. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Nonthreshold dose-response curve
Characteristic Radiation
Genial Tubercles
Roentgen
21. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Anterior Nasal Spine
Short-term effects
Incisive (Nasopalatine) Foramen
Nasal Cavity/Fossa
22. 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
Stochastic effects
Total (inherent + added) filtration
Alveolar Crest
23. Surrounds root - cortical bone - radiopaque
Compton Scatter
Process
Voltage
Lamina Dura
24. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.
Mandibular Canal
Step-Down Transformer
Collimation
Nutrient Canals
25. Rounded prominence that appears radiopaque
General Radiation
Cortical Bone
Tuberosity
Primary Radiation
26. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum
Inherent filtration
Genetic cells
Periodontal Ligament Space
Secondary Radiation
27. Intersection of maxillary sinus and nasal cavity - radiopaque - cortical bone; above maxillary canine.
Total (inherent + added) filtration
Density
Floor of Nasal Cavity
Inverted Y
28. Continues from ramus; radiopaque band
Developer Solution
Internal Oblique Ridge
Mental Foramen
Direct Injury
29. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Nutrient Canals
Inverted Y
Inherent filtration
Fixer Solution
30. Posterior to mandibular third molar
Ramus
Characteristic Radiation
Maxillary Tuberosity
Mandibular Canal
31. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)
Secondary Radiation
Rad (Radiation absorbed dose)
Amperage
Tubercle
32. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Voltage
Maxillary sinus
Canal
Rem (Roentgen equivalent (in) man)
33. Time between exposure to ionizing radiation and the appearance of observable clinical signs.
Superior Foramina of incisive canal
Cortical Bone
Latent Period
Rad (Radiation absorbed dose)
34. An x-ray photon that has its path altered by matter.
The optimum temperature for manual processing?
Coherent Scatter
Nonstochastic (deterministic) effects
Inherent filtration
35. Cortical bone; J or U shaped radiopacity
Radioresistant cells
Conical PID
Zygomatic process of maxilla
Nonstochastic (deterministic) effects
36. Can control the current passing from the cathode to the anode.
Kilovoltage peak adjustment
Periodontal Ligament Space
Internal Oblique Ridge
Rectangular and round PID
37. Effects seen years - decades - or generations later
Submandibular Fossa
Long-term effects
Ridge
Septum
38. Coulombs per kilogram
Conical PID
Mental Foramen
Maxillary sinus
Roentgen
39. The penetrating x-ray beam that is produced at the target of the anode
Median palatine suture
Septum
Short-term effects
Primary Radiation
40. Cell damage occurs through formation of 'free radicals'. Free radicals are formed when an x-ray photon ionizes water.
Incisive (Nasopalatine) Foramen
Free Radical Formation
Kilovoltage peak adjustment
Zygoma
41. Anterior ramus of mandible; attachment for muscle of mastication; superimposed around maxillary tuberosity.
Superior Foramina of incisive canal
Tubercle
Coronoid Process
Nutrient Canals
42. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Nonthreshold dose-response curve
Inferior Nasal Conchae
Step-Down Transformer
Submandibular Fossa
43. 68 Degrees F
The optimum temperature for manual processing?
Conical PID
Inverted Y
Roentgen
44. Occurs very little; most photons pass through cell with little or no damage
Direct Injury
Mental Foramen
Amount of tissue irradiated
Nonstochastic (deterministic) effects
45. Sievart
Hamulus
Rem (Roentgen equivalent (in) man)
Cancellous
Nasal Cavity/Fossa
46. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Cell sensitivity
External Oblique Ridge
Zygomatic process of maxilla
Cortical Bone
47. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Rad (Radiation absorbed dose)
Inferior Nasal Conchae
Superior Foramina of incisive canal
Genetic cells
48. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Cell sensitivity
Ridge
Somatic cells
Mandibular Canal
49. Can increase or decrease the number of electrons passing through the cathode filament
Milliamperage adjustment
Body of Mandible
Compton Scatter
Conical PID
50. Pear shaped compartment - appears above maxillary incisors. Appears as a large radiolucent area above the maxilla.
Nasal Cavity/Fossa
Floor of Nasal Cavity
Density
Alveolar Process