BU Dental Radiology final test EXAM fully solved & updated (latest version
verified for accuracy) (Questions + Answers) Solved 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
, BU Dental Radiology final test EXAM fully solved & updated (latest version
verified for accuracy) (Questions + Answers) Solved 100% Correct!!
-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
Filters in an x-ray tube is made of what? - (ANSWER)Aluminum
The radiographs which reveal the entire teeth with the apical region is called what? -
(ANSWER)Periapical
X-ray instruments should always be what? - (ANSWER)Sterlized
Tree-like lightening black streaks on a processed film are caused by what? - (ANSWER)Static electricity
when drying
During pregancy a partiant may be irradiated by taking necessary precations? True or False -
(ANSWER)True
verified for accuracy) (Questions + Answers) Solved 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
, BU Dental Radiology final test EXAM fully solved & updated (latest version
verified for accuracy) (Questions + Answers) Solved 100% Correct!!
-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
Filters in an x-ray tube is made of what? - (ANSWER)Aluminum
The radiographs which reveal the entire teeth with the apical region is called what? -
(ANSWER)Periapical
X-ray instruments should always be what? - (ANSWER)Sterlized
Tree-like lightening black streaks on a processed film are caused by what? - (ANSWER)Static electricity
when drying
During pregancy a partiant may be irradiated by taking necessary precations? True or False -
(ANSWER)True
