Dental Radiology Study Test Questions with Correct Answers
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Course
Dental Radiology
Institution
Dental Radiology
Dental Radiology Study Test Questions with Correct Answers
Intraoral - Answer-Film packet placed inside oral cavity during exposure.
Ionizing Radiation - Answer-Radiation that produces ionization, resulting in harmful effects.
Ioning Radiation (Ionizing - turning an atom into an ion by addin...
Dental Radiology Study Test Questions
with Correct Answers
Intraoral - Answer-Film packet placed inside oral cavity during exposure.
Ionizing Radiation - Answer-Radiation that produces ionization, resulting in harmful
effects.
Ioning Radiation (Ionizing - turning an atom into an ion by adding or taking away
particles.) - Answer-...
Kilovolt - Answer-Unit of electromotive force, equal to 1000 volts, drives electric current
through circuit.
Latent Period - Answer-Time between exposure to ionizing radiation and the
appearance of symptoms
Lead Apron - Answer-Heavy lead lined, plastic apron placed over patient for protection
during x-rays.
Lead Shield - Answer-Lead lined wall or movable shield for students/staff to stand
behind while exposing x-rays.
Milliampere (mA) - Answer-One thousandth (1/1000) of an ampere, a unit of
measurement used to describe intensity of electric current.
Midsagittal Plane - Answer-Imaginary line dividing tooth longitudinally into two equal
halves.
Occlusal Plane - Answer-Plane between upper and lower teeth.
Occlusal X-ray - Answer-Radiographs produced by placing film along the occlusal
plane.
Panoramic Radiograph - Answer-Produces extraoral radiograph that shows both dental
arches and TMJ's. Machine rotates around patient to produce radiography on one film.
Periapical Radiograph - Answer-Shows all structures of teeth in a given area, with all
parts of adjacent tissues and oral structures.
, Position Indicator Device (PID) - Answer-"Cylinder" or "Cone" Part of x-ray machine
aligned with the film during exposure. maybe cylindrical (larger beam) or rectangular
(limits size of beam).
Radioluscent - Answer-Dark areas of film after exposure shows structures that radiation
can easily pass through on a film. For example: air, soft tissue, abscesses, tooth decay
and dental pulp.
Radiopaque - Answer-White or light gray areas of film after expusure shows structures
that radiation does NOT easily pass through on a film. Examples: Metal, tooth enamel,
dense bone
Vertical - Answer-Up and down motion
Wavelength - Answer-Measurement of space between (electromagnetic) waves.
Effects of long term overexposure to radiation are: - Answer-Hair Loss i.e.
chemotherapy, Skin Redness, cell Atrophy, ulcerations, skin inflammation, blood count
changes, change sterility, cancers (such as leukemia), genetic damage, death.
Radiographs are ordered and interpreted by: - Answer-Dentist Only
BWX recommended every _____ years. - Answer-2
PANO's are recommended every __________ years. - Answer-5
Lead aprons without collars are used for - Answer-PANO's
Lead aprons with collars are used for - Answer-Intraoral exposures.
Provider should stand behind a barrier wall or __ feet from tube head. - Answer-6
Type's of X-rays: - Answer-BWX, Occlusals, Periapicals (PA's), Panoramic
ALARA means: - Answer-(exposure to radiation to be kept) As Low As Reasonably
Achievable
Radiology - Answer-Science of radiation as used in medicine.
Radiation - Answer-Electromagnetic rays that travel as waves of energy through space.
Radiograph - Answer-Image produced on photosensitive film by exposing film to x-rays
and processing.
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