DANB RHS Exam A+ Pass
what structure would appear radiopaque on a dental radiograph - Answer- bone
the maximum annual permissible dose (MPD) of ionizing radiation for the public is -
Answer- 0.5 REM/year
when exposing radiographs on an endentulous patient, compared to a dentulous
patient, the exposure time should - Answer- be reduced
to reduce cross-contamination during dental radiography the CDC recommends that
dental radiography operators do all except the following - Answer- take complete
medical histories
which of the following should be included in a quality assurance policy for dental
radiographs - Answer- a plan for corrective action
which of the following are common parts of a dental x-ray machine - Answer- control
panel, extension arm, tubehead
ionization occurs when an xray strikes an atom and the atom - Answer- loses an
electron
which of the following anatomical landmarks is not normally seen on intraoral
radiographs - Answer- frontal sinus
the paralleling technique is recommended for - Answer- bitewings
contrast in a radiograph is primarily controlled by - Answer- KVP
which film would be exposed to see increased coverage of the alveolar bone - Answer-
vertical bitewing
which of the following affects the speed of the electrons emitted from the tubehead -
Answer- KVP
if there are no teeth to serve as guidelines, which of the following landmarks indicates a
maxillary molar area radiograph - Answer- tuberosity
for x-ray machines operating in ranges at or below 70kvp, the total aluminum
equivalent, filtration must be a minimum of - Answer- 1.5mm
the purpose of a grid device on an extraoral cassette is to - Answer- reduce scatter
radiation reaching the film
what structure would appear radiopaque on a dental radiograph - Answer- bone
the maximum annual permissible dose (MPD) of ionizing radiation for the public is -
Answer- 0.5 REM/year
when exposing radiographs on an endentulous patient, compared to a dentulous
patient, the exposure time should - Answer- be reduced
to reduce cross-contamination during dental radiography the CDC recommends that
dental radiography operators do all except the following - Answer- take complete
medical histories
which of the following should be included in a quality assurance policy for dental
radiographs - Answer- a plan for corrective action
which of the following are common parts of a dental x-ray machine - Answer- control
panel, extension arm, tubehead
ionization occurs when an xray strikes an atom and the atom - Answer- loses an
electron
which of the following anatomical landmarks is not normally seen on intraoral
radiographs - Answer- frontal sinus
the paralleling technique is recommended for - Answer- bitewings
contrast in a radiograph is primarily controlled by - Answer- KVP
which film would be exposed to see increased coverage of the alveolar bone - Answer-
vertical bitewing
which of the following affects the speed of the electrons emitted from the tubehead -
Answer- KVP
if there are no teeth to serve as guidelines, which of the following landmarks indicates a
maxillary molar area radiograph - Answer- tuberosity
for x-ray machines operating in ranges at or below 70kvp, the total aluminum
equivalent, filtration must be a minimum of - Answer- 1.5mm
the purpose of a grid device on an extraoral cassette is to - Answer- reduce scatter
radiation reaching the film
