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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. Internal ridge of mandible muscle attachment - continuous with internal oblique ridge; radiopaque line
Nutrient Canals
Amperage
Mylohyoid Ridge
Lateral Fossa
2. Bony wall that divides 2 spaces - radiopaque
Canal
Zygoma
Sinus
Septum
3. 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.
Total (inherent + added) filtration
The conditions required for the darkroom
Coherent Scatter
Characteristic Radiation
4. Sievart
Rem (Roentgen equivalent (in) man)
Total dose
Nonthreshold dose-response curve
Density
5. Time between exposure to ionizing radiation and the appearance of observable clinical signs.
The conditions required for the darkroom
Process
Inferior Nasal Conchae
Latent Period
6. U-shaped portion extending from ramus to ramus
Milliamperage adjustment
Body of Mandible
Sinus
Inferior Nasal Conchae
7. Linear prominence that appears radiopaque.
Ridge
Somatic cells
Contrast
Dose Rate
8. 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
Process
Contrast
Secondary Radiation
Stochastic effects
9. Continues from ramus; radiopaque band
Scatter Radiation
Body of Mandible
Internal Oblique Ridge
The optimum temperature for manual processing?
10. A form of secondary radiation - the result of x-rays that has been deflected from its path by an interaction with matter.
Scatter Radiation
Genetic cells
Anterior Nasal Spine
Short-term effects
11. Sharp - thornlike projection that appears radiopaque.
Free Radical Formation
Inverted Y
Spine
Internal Oblique Ridge
12. 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)
Hamulus
External Oblique Ridge
Lingual Foramen
Voltage
13. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Amperage
Lamina Dura
Suture
Mental Foramen
14. Aluminum disks between collimator and tubehead seal. Aluminum disks filter long wavelength - low energy x-rays from x-ray beam. 0.5 mm increments
Nasal Cavity/Fossa
Step-Down Transformer
Added filtration
Radiosensitive cells
15. Intersection of maxillary sinus and nasal cavity - radiopaque - cortical bone; above maxillary canine.
Cortical Bone
Inverted Y
Genial Tubercles
Ramus
16. Surrounds root - cortical bone - radiopaque
Lamina Dura
Body of Mandible
Characteristic Radiation
Mandibular Canal
17. Tube that passes through bone - contains nerve canals/blood vessels/and appears radiolucent
Canal
Suture
Indirect injury
Submandibular Fossa
18. V-shaped radiopacity at intersection of floor of nasal cavity and septum
Anterior Nasal Spine
Fixer Solution
Genetic cells
Nutrient Canals
19. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Genetic cells
The optimum temperature for manual processing?
Collimation
Floor of Nasal Cavity
20. Within maxillary sinus; acts as a division - radiopaque lines sometimes not visible
Amperage
Septa within maxillary sinus
Mandibular Canal
Dose Rate
21. 'Arranged like a lattice'->soft - spongy bone located between 2 layers of cortical bone; spaces are trabeculae that are filled with bone marrow.
Septa within maxillary sinus
Internal Oblique Ridge
Compton Scatter
Cancellous
22. The penetrating x-ray beam that is produced at the target of the anode
Primary Radiation
Conical PID
Inverted Y
Cell sensitivity
23. Suggest that no matter how small the amount of radiation received - some biologic damage occurs.
Nonthreshold dose-response curve
Nonstochastic (deterministic) effects
Nutrient Canals
Lateral Fossa
24. 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
Long-term effects
Rad (Radiation absorbed dose)
25. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Incisive (Nasopalatine) Foramen
Stochastic effects
Sinus
Nutrient Canals
26. Can control the current passing from the cathode to the anode.
Compton Scatter
Collimation
Kilovoltage peak adjustment
Total (inherent + added) filtration
27. Occurs very little; most photons pass through cell with little or no damage
Suture
Direct Injury
Cortical Bone
Process
28. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Cortical Bone
Tubercle
Nonstochastic (deterministic) effects
Inherent filtration
29. The x-ray photon is deflected from its path during its passage through matter
Compton Scatter
Anterior Nasal Spine
Process
Ramus
30. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)
Alveolar Process
Coronoid Process
Septum
Amperage
31. An x-ray photon that has its path altered by matter.
Short-term effects
Coherent Scatter
Mental Foramen
Alveolar Process
32. Marked prominence that appears radiopaque.
Suture
Septa within maxillary sinus
Process
Long-term effects
33. Pear shaped compartment - appears above maxillary incisors. Appears as a large radiolucent area above the maxilla.
Free Radical Formation
Cancellous
Alveolar Process
Nasal Cavity/Fossa
34. Tubes within maxillary sinus that carry nerves - blood supply - radiolucent band with boundary of two radiopaque cortical bony lines
Suture
Nutrient Canals
Nasal Cavity/Fossa
Step-Up Transformer
35. X-radiation created when the primary beam interacts with a matter
Mandibular Canal
Secondary Radiation
Floor of Nasal Cavity
Stochastic effects
36. Bump or nodule that appears radiopaque
Nasal Cavity/Fossa
Septum
Tubercle
Septa within maxillary sinus
37. Anterior ramus of mandible; attachment for muscle of mastication; superimposed around maxillary tuberosity.
Coronoid Process
Zygomatic process of maxilla
External Oblique Ridge
Anterior Nasal Spine
38. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Cancellous
Anterior Nasal Spine
Genial Tubercles
Latent Period
39. More damage can occur in younger or rapidly dividing cells
Anterior Nasal Spine
Process
Superior Foramina of incisive canal
Cell sensitivity
40. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum
Scatter Radiation
Inherent filtration
Direct Injury
Roentgen
41. Cortical bone; J or U shaped radiopacity
Rectangular and round PID
Anterior Nasal Spine
Characteristic Radiation
Zygomatic process of maxilla
42. 68 Degrees F
The optimum temperature for manual processing?
Developer Solution
Collimation
Genial Tubercles
43. 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.
Nutrient Canals
Inferior Nasal Conchae
Nonthreshold dose-response curve
Total (inherent + added) filtration
44. 16-20 square feet (at least 4x4) - Light tight - Safelight must be at least 4 feet from the working area
Body of Mandible
The conditions required for the darkroom
Lamina Dura
Latent Period
45. Encases/supports teeth
Zygoma
Short-term effects
Stochastic effects
Alveolar Process
46. Small lymphocyte - bone marrow - reproductive cells - immature bone
Radiosensitive cells
Long-term effects
Collimation
Submandibular Fossa
47. Thin - curved areas of bone - radiopacities within nasal cavity and septum
Inferior Nasal Conchae
Amperage
Coronoid Process
Direct Injury
48. Can increase or decrease the number of electrons passing through the cathode filament
Milliamperage adjustment
External Oblique Ridge
Ridge
Maxillary Tuberosity
49. Reduces exposed silver halide crystals into black metallic silver a makes dark/black areas on film; unexposed silver halide crystals are unaffected by developer
Mental Foramen
Direct Injury
Developer Solution
Added filtration
50. Posterior to mandibular third molar
Mandibular Canal
Ramus
Developer Solution
Radioresistant cells