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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. Between canine and lateral incisor - depression is not always visible - radiolucent
Compton Scatter
Lateral Fossa
Long-term effects
Latent Period
2. Superior to internal oblique ridge; anterior border of ramus ends in external oblique ridge; radiopaque band
Inherent filtration
External Oblique Ridge
Inferior Nasal Conchae
Tuberosity
3. Sievart
Rem (Roentgen equivalent (in) man)
Conical PID
Lateral Fossa
Tuberosity
4. Occurs frequently due to the high concentration of water in cells.
Amount of tissue irradiated
Density
Indirect injury
Direct Injury
5. Effects seen years - decades - or generations later
Inverted Y
General Radiation
Long-term effects
Nutrient Canals
6. Sharp - thornlike projection that appears radiopaque.
Genetic cells
Septa within maxillary sinus
Spine
Latent Period
7. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
Median palatine suture
Zygomatic process of maxilla
Rad (Radiation absorbed dose)
Voltage
8. 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)
Internal Oblique Ridge
Characteristic Radiation
Dose Rate
Compton Scatter
9. Surrounds root - cortical bone - radiopaque
Lamina Dura
Free Radical Formation
Septa within maxillary sinus
Voltage
10. Produced when an electron hits the nucleus of a tungsten atom or passes very close to the nucleus of a tungsten atom.
Amperage
Free Radical Formation
General Radiation
Developer Solution
11. Space between root and the lamina dura - thin - radiolucent line - healthy PDL is uniform thickness
Periodontal Ligament Space
Scatter Radiation
Zygoma
Radiosensitive cells
12. Scooped out of depressed area of bone that appears radiolucent
Fossa
External Oblique Ridge
Radiosensitive cells
Somatic cells
13. The penetrating x-ray beam that is produced at the target of the anode
Zygoma
Coronoid Process
Primary Radiation
Lateral Fossa
14. Gray
Internal Oblique Ridge
Rad (Radiation absorbed dose)
Coronoid Process
Kilovoltage peak adjustment
15. Two small openings (radiolucent) found on floor of nasal cavity->common exit is incisive foramen
Alveolar Process
Superior Foramina of incisive canal
Somatic cells
Cortical Bone
16. Located above maxillary premolar/molar teeth - border is made up of cortical bone; sinus cavity is radiolucent compartment
The optimum temperature for manual processing?
Lateral Fossa
Maxillary sinus
Zygomatic process of maxilla
17. Do not occur in dentistry
Short-term effects
Genetic cells
Incisive (Nasopalatine) Foramen
Rad (Radiation absorbed dose)
18. Posterior to mandibular third molar
Dose Rate
Fixer Solution
Ramus
Developer Solution
19. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Tuberosity
Coherent Scatter
Maxillary sinus
Inferior Nasal Conchae
20. Cortical bone; J or U shaped radiopacity
Hamulus
Somatic cells
Zygomatic process of maxilla
Inferior Nasal Conchae
21. Occurs very little; most photons pass through cell with little or no damage
Cortical Bone
Direct Injury
Internal Oblique Ridge
Alveolar Crest
22. Marked prominence that appears radiopaque.
Process
Added filtration
Coronoid Process
Internal Oblique Ridge
23. Anterior ramus of mandible; attachment for muscle of mastication; superimposed around maxillary tuberosity.
Contrast
Sinus
The conditions required for the darkroom
Coronoid Process
24. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Cortical Bone
Ridge
Canal
Inferior Nasal Conchae
25. Cortical bone - radiopaque band above maxillary incisors
Cortical Bone
Lamina Dura
Floor of Nasal Cavity
Spine
26. A form of secondary radiation - the result of x-rays that has been deflected from its path by an interaction with matter.
Scatter Radiation
Mental Foramen
The conditions required for the darkroom
Mylohyoid Ridge
27. Bony wall that divides 2 spaces - radiopaque
General Radiation
Amperage
Septum
Dose Rate
28. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Secondary Radiation
Fixer Solution
The optimum temperature for manual processing?
Maxillary Tuberosity
29. Within maxillary sinus; acts as a division - radiopaque lines sometimes not visible
Tuberosity
General Radiation
Voltage
Septa within maxillary sinus
30. Closed - pointed cone-high production of scatter - not used any longer.
Conical PID
Rad (Radiation absorbed dose)
Nonthreshold dose-response curve
Fossa
31. Quantity of radiation received or total amount absorbed (more damage with tissue absorbing large quantities of radiation)
Inverted Y
Total dose
Internal Oblique Ridge
Nutrient Canals
32. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Spine
Stochastic effects
Characteristic Radiation
Genetic cells
33. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Genial Tubercles
Ramus
Inherent filtration
Milliamperage adjustment
34. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent
Cell sensitivity
Tubercle
Foramen
Superior Foramina of incisive canal
35. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Mental Foramen
Kilovoltage peak adjustment
Lateral Fossa
Nutrient Canals
36. Encases/supports teeth
Nasal Cavity/Fossa
Process
Genetic cells
Alveolar Process
37. 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.
Foramen
Zygoma
Total (inherent + added) filtration
Radioresistant cells
38. Intersection of maxillary sinus and nasal cavity - radiopaque - cortical bone; above maxillary canine.
Tubercle
Alveolar Crest
Radiosensitive cells
Inverted Y
39. Time between exposure to ionizing radiation and the appearance of observable clinical signs.
Superior Foramina of incisive canal
Body of Mandible
Latent Period
Added filtration
40. Tube that travels length of mandible - radiolucent; has cortical walls - houses inferior alveolar nerve
Roentgen
Sinus
Mandibular Canal
Dose Rate
41. The x-ray photon is deflected from its path during its passage through matter
Maxillary sinus
Contrast
Compton Scatter
Roentgen
42. Surrounded by genial tubercle - hole in bone near mandibular midline - radiolucent
Secondary Radiation
Nutrient Canals
Lingual Foramen
Radioresistant cells
43. Continues from ramus; radiopaque band
Internal Oblique Ridge
Superior Foramina of incisive canal
Stochastic effects
Characteristic Radiation
44. Hollow space - cavity that appears radiolucent
External Oblique Ridge
Cancellous
Stochastic effects
Sinus
45. 68 Degrees F
Nutrient Canals
The optimum temperature for manual processing?
Lingual Foramen
Cancellous
46. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Nonthreshold dose-response curve
Foramen
Contrast
Coronoid Process
47. Used to increase incoming voltage to 65 -000 to 100 -000 volts used by the high-voltage circuit.
Step-Up Transformer
Roentgen
Radioresistant cells
Superior Foramina of incisive canal
48. Bump or nodule that appears radiopaque
Maxillary Tuberosity
Median palatine suture
Nonstochastic (deterministic) effects
Tubercle
49. V-shaped radiopacity at intersection of floor of nasal cavity and septum
Radioresistant cells
Sinus
Nonstochastic (deterministic) effects
Anterior Nasal Spine
50. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Inferior Nasal Conchae
Mental Foramen
Hamulus
Anterior Nasal Spine