SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 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)
Stochastic effects
Long-term effects
Latent Period
Zygoma
2. Located at the midline of anterior portion of hard palate behind maxillary central incisors; round radiolucency between roots of centrals
Roentgen
Dose Rate
Nutrient Canals
Incisive (Nasopalatine) Foramen
3. Hole in bone below mandibular premolars - blood supply to lower lip exits here; radiolucent; often misdiagnosed for periapical pathology
Alveolar Process
Mental Foramen
Coherent Scatter
Lingual Foramen
4. A form of secondary radiation - the result of x-rays that has been deflected from its path by an interaction with matter.
Cancellous
Scatter Radiation
Amperage
Milliamperage adjustment
5. Within maxillary sinus; acts as a division - radiopaque lines sometimes not visible
Septa within maxillary sinus
Superior Foramina of incisive canal
The conditions required for the darkroom
Rad (Radiation absorbed dose)
6. Bump or nodule that appears radiopaque
Tubercle
Mental Foramen
Stochastic effects
Step-Down Transformer
7. Removes unexposed silver halide crystals and creates white/clear areas on film; black metallic silver remains on film.
Voltage
Maxillary Tuberosity
Rectangular and round PID
Fixer Solution
8. Used to decrease voltage from the incoming 110- or 220-line voltage to the 3 to 5 volts used by the filament circuit.
Nonthreshold dose-response curve
Nutrient Canals
Step-Down Transformer
Indirect injury
9. Continues from ramus; radiopaque band
Internal Oblique Ridge
Septa within maxillary sinus
Tubercle
Direct Injury
10. Reduces exposed silver halide crystals into black metallic silver a makes dark/black areas on film; unexposed silver halide crystals are unaffected by developer
Short-term effects
Nutrient Canals
Suture
Developer Solution
11. Depression of bone; submandibular salivary gland found here; radiolucent; below mylohyoid ridge
Submandibular Fossa
Total (inherent + added) filtration
Hamulus
Milliamperage adjustment
12. 'hooklike' - posterior to maxillary tuberosity; extension of medial pterygoid plate of sphenoid bone; radiopaque
Hamulus
Secondary Radiation
Submandibular Fossa
Amperage
13. 68 Degrees F
Ridge
The optimum temperature for manual processing?
Voltage
Fossa
14. Anterior ramus of mandible; attachment for muscle of mastication; superimposed around maxillary tuberosity.
Fixer Solution
Milliamperage adjustment
Direct Injury
Coronoid Process
15. Mature bone - muscle - nerve
Radioresistant cells
Rem (Roentgen equivalent (in) man)
Amount of tissue irradiated
Scatter Radiation
16. Mostly seen in mandibular nerve/blood supply vertical radiolucent lines
Cortical Bone
Nutrient Canals
Alveolar Crest
Contrast
17. Space between root and the lamina dura - thin - radiolucent line - healthy PDL is uniform thickness
Short-term effects
Inherent filtration
Periodontal Ligament Space
Primary Radiation
18. Cortical bone; J or U shaped radiopacity
Zygomatic process of maxilla
Cell sensitivity
Nasal Cavity/Fossa
Fixer Solution
19. Pear shaped compartment - appears above maxillary incisors. Appears as a large radiolucent area above the maxilla.
The optimum temperature for manual processing?
Radioresistant cells
Nasal Cavity/Fossa
Ridge
20. Encases/supports teeth
Superior Foramina of incisive canal
Alveolar Process
Primary Radiation
Septum
21. Cortical bone - radiopaque band above maxillary incisors
Floor of Nasal Cavity
Characteristic Radiation
Short-term effects
Primary Radiation
22. 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.
Coronoid Process
The optimum temperature for manual processing?
Total (inherent + added) filtration
Amount of tissue irradiated
23. Bump of bone - muscle attachment; lingual aspect of mandible - 'ring shaped' radiopacitiy below mandibular incisors.
Inherent filtration
Coherent Scatter
Genial Tubercles
Step-Up Transformer
24. Coronal part of alveolar bone - between teeth - cortical bone - radiopaque
Free Radical Formation
Step-Down Transformer
Alveolar Crest
Ridge
25. A line of union between adjoining bones - found only in skull; appears as radiolucent line
Suture
Somatic cells
Mental Foramen
Nonstochastic (deterministic) effects
26. Between canine and lateral incisor - depression is not always visible - radiolucent
Inherent filtration
Lateral Fossa
General Radiation
Coherent Scatter
27. Reproductive (ova - sperm). Effects are passed on to generations. Genetic damage cannot be repaired
Long-term effects
Cancellous
Septum
Genetic cells
28. Occurs very little; most photons pass through cell with little or no damage
Direct Injury
Zygomatic process of maxilla
Spine
Body of Mandible
29. Opening/hole in bone that allows the passage of blood vessels/nerves and appears radiolucent
General Radiation
Milliamperage adjustment
Mandibular Canal
Foramen
30. Closed - pointed cone-high production of scatter - not used any longer.
Foramen
Conical PID
Rem (Roentgen equivalent (in) man)
Spine
31. Marked prominence that appears radiopaque.
Process
Septum
Hamulus
Alveolar Crest
32. The measurement of the number of electrons moving through a conductor. Measured in amperes (A) or milliamperes (mA)
Genial Tubercles
Amperage
Anterior Nasal Spine
Coherent Scatter
33. 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.
Rad (Radiation absorbed dose)
Characteristic Radiation
Cortical Bone
Tuberosity
34. Primary beam passes through glass window - insulating oil - tubehead seal. 0.5 to 1.0 mm of aluminum
Septa within maxillary sinus
Direct Injury
Inherent filtration
Body of Mandible
35. Sharp - thornlike projection that appears radiopaque.
Compton Scatter
Cortical Bone
Periodontal Ligament Space
Spine
36. Surrounds root - cortical bone - radiopaque
Lamina Dura
Density
Amperage
Contrast
37. Darkness or blackness on film. If kVp is increased film will be darker. If decreased - film will be lighter
Free Radical Formation
Density
Nutrient Canals
Rad (Radiation absorbed dose)
38. Scooped out of depressed area of bone that appears radiolucent
Lateral Fossa
Inherent filtration
Maxillary Tuberosity
Fossa
39. Extends from alveolar bone between maxillary centrals to posterior hard palate; seen as a radiolucent line
The optimum temperature for manual processing?
Primary Radiation
Mental Foramen
Median palatine suture
40. 'Cortex'-> dense - outer layer; also called compact bone-appears radiopaque on film
Inverted Y
Zygomatic process of maxilla
Dose Rate
Cortical Bone
41. More damage can occur in younger or rapidly dividing cells
Cell sensitivity
The optimum temperature for manual processing?
Conical PID
Process
42. Bony wall that divides 2 spaces - radiopaque
Septum
Step-Up Transformer
Nutrient Canals
External Oblique Ridge
43. Rounded prominence that appears radiopaque
Radioresistant cells
Maxillary Tuberosity
Dose Rate
Tuberosity
44. 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)
Secondary Radiation
Dose Rate
Contrast
Somatic cells
45. 16-20 square feet (at least 4x4) - Light tight - Safelight must be at least 4 feet from the working area
Nonthreshold dose-response curve
Septa within maxillary sinus
The conditions required for the darkroom
Lingual Foramen
46. Effects seen years - decades - or generations later
Genial Tubercles
Genetic cells
Long-term effects
Amount of tissue irradiated
47. Quantity of radiation received or total amount absorbed (more damage with tissue absorbing large quantities of radiation)
Secondary Radiation
Ridge
Total dose
Long-term effects
48. 'Cheekbone'; cortical bone; radiopaque band extending from zygomatic process.
Cell sensitivity
Density
Total (inherent + added) filtration
Zygoma
49. The x-ray photon is deflected from its path during its passage through matter
Cortical Bone
External Oblique Ridge
Cell sensitivity
Compton Scatter
50. V-shaped radiopacity at intersection of floor of nasal cavity and septum
Coherent Scatter
Process
Lingual Foramen
Anterior Nasal Spine