, BU DENTAL RADIOLOGY FINAL TEST
QUESTIONS AND ANSWER 100%
CORRECT!
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
QUESTIONS AND ANSWER 100%
CORRECT!
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
