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BU DENTAL RADIOLOGY FINAL TEST | 84 ACTUAL QUESTIONS AND ANSWERS 100% CORRECT | NEW UPDATE
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BU DENTAL RADIOLOGY FINAL TEST | 84 ACTUAL QUESTIONS AND ANSWERS 100% CORRECT | NEW UPDATE
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BU DENTAL RADIOLOGY FINAL TEST | 84ACTUAL QUESTIONS AND ANSWERS 100%
CORRECT | NEW UPDATE 2024-2025
What does the x-ray tube contain? - ANSWER cathode anode and focusing cup
Who discovered what x-rays were? - ANSWER Wilhelm Conrad Roentgen
In a dental x-ray tube the electrons are emitted from the what? - ANSWER
Cathode
X-ray is produced when electrons moving at a high speed hit the tugstnen target in
a x-ray tube. T or F - ANSWER True
an assistant may hold the film or sensor in place for the pt during exposure -
ANSWER False
As soon as a film or sensor is placed in a pt's mouth it is considered
contaminated? - ANSWER True
X-rays are ionizing radiation. - ANSWER True
Bitewings show what? - ANSWER Crowns and permant fixtures are
interporximal surfaces of the teeth.
, In the paralleling technique the xray is directed perpendicular to the bisecting line
between the angle of the long axis of the tooth and the film/sensor - ANSWER
True, explain.. So when you are parallelling, the angle you make when you are
bisecting is perpendicular to the angle
Pt;s should be drapped with a led apron prior to any radiographic images? -
ANSWER True
Which if not a safety precaution for taking x-rays?
-Always stand behind an appropriate barrier?
-Never stand in the path of primary radiation
-Never stabilize the tube head during radiation
-If neccessary hold the film in the pt's mouth - ANSWER If neccessary hold the
film in the pt's mouth, never hold the film or sensor in the pts mouth.
X-rays travel at the speed of light? - ANSWER True
Nerve cells can be regennerated? - ANSWER False, No- Dense things like bone
can and perm fixtures, restorations.
Which of these have an infulence on radiation protection?
-Safe equipment
-Skilled operator
-Lead aprons and thyroid collars
-All of the above - ANSWER All of the above
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