Radiation Health and Safety (RHS)
UPDATED ACTUAL Questions and
CORRECT Answers
Exposed films are placed in a paper cup labeled with - CORRECT ANSWER - Patient's
name
Which radiograph is prescribed for evaluation of the skeletal structures of the face? - CORRECT
ANSWER - Cephalometric
After the lead apron is used, it should be - CORRECT ANSWER - Hung up or laid on a
rounded bar
The dental assistant tests four films, from four different shipments, as part of a quality control
measure; each is unwrapped in the darkroom and processed with fresh chemicals. Which box of
film is safe to use? - CORRECT ANSWER - Box 1: processed test film is clear with a
light blue tint
The patient's dental radiography are the legal property of - CORRECT ANSWER - Dentist
A light-tight device that holds extraoral film and intensifying screens is a - CORRECT
ANSWER - Cassette
Which is (are) always worn when exposing images? - CORRECT ANSWER - Protective
clothing and gloves
To obtain the best definition of a suspected residual root tip, a______projection should be used. -
CORRECT ANSWER - Periapical
, __________digital imaging involves digitizing an existing x-ray film using a CCD camera.
Indirect digital imaging is_________to direct digital imaging. - CORRECT ANSWER -
Indirect; inferior
Which maintains aseptic technique when removing the patient's lead apron? - CORRECT
ANSWER - Don overgloves to remove the lead apron.
Gloves are NOT worn in which step? - CORRECT ANSWER - Load the PSP plates into
the scanning device
Carious lesions appear__________on processed radiographs. - CORRECT ANSWER -
Radiolucent: less dense and permit the x-ray beam to pass through them
Fractures on the madible will appear - CORRECT ANSWER - As a radiolucent (less
dense) line
Digital radiography requires_________x-radiation than conventional radiography because the
sensor is__________sensitive to x-rays than conventional film. - CORRECT ANSWER -
Less; more
When fixer is full strength, a film will become transparent or "clear" within - CORRECT
ANSWER - 2 minutes
Caries that involve the dentin are classified as - CORRECT ANSWER - Advanced
A malignant tumor of bone will appear___________on radiographs. - CORRECT
ANSWER - Radiopaque: appear dark or black
The quantity of x-rays produced is controlled by - CORRECT ANSWER - Milliamperage
UPDATED ACTUAL Questions and
CORRECT Answers
Exposed films are placed in a paper cup labeled with - CORRECT ANSWER - Patient's
name
Which radiograph is prescribed for evaluation of the skeletal structures of the face? - CORRECT
ANSWER - Cephalometric
After the lead apron is used, it should be - CORRECT ANSWER - Hung up or laid on a
rounded bar
The dental assistant tests four films, from four different shipments, as part of a quality control
measure; each is unwrapped in the darkroom and processed with fresh chemicals. Which box of
film is safe to use? - CORRECT ANSWER - Box 1: processed test film is clear with a
light blue tint
The patient's dental radiography are the legal property of - CORRECT ANSWER - Dentist
A light-tight device that holds extraoral film and intensifying screens is a - CORRECT
ANSWER - Cassette
Which is (are) always worn when exposing images? - CORRECT ANSWER - Protective
clothing and gloves
To obtain the best definition of a suspected residual root tip, a______projection should be used. -
CORRECT ANSWER - Periapical
, __________digital imaging involves digitizing an existing x-ray film using a CCD camera.
Indirect digital imaging is_________to direct digital imaging. - CORRECT ANSWER -
Indirect; inferior
Which maintains aseptic technique when removing the patient's lead apron? - CORRECT
ANSWER - Don overgloves to remove the lead apron.
Gloves are NOT worn in which step? - CORRECT ANSWER - Load the PSP plates into
the scanning device
Carious lesions appear__________on processed radiographs. - CORRECT ANSWER -
Radiolucent: less dense and permit the x-ray beam to pass through them
Fractures on the madible will appear - CORRECT ANSWER - As a radiolucent (less
dense) line
Digital radiography requires_________x-radiation than conventional radiography because the
sensor is__________sensitive to x-rays than conventional film. - CORRECT ANSWER -
Less; more
When fixer is full strength, a film will become transparent or "clear" within - CORRECT
ANSWER - 2 minutes
Caries that involve the dentin are classified as - CORRECT ANSWER - Advanced
A malignant tumor of bone will appear___________on radiographs. - CORRECT
ANSWER - Radiopaque: appear dark or black
The quantity of x-rays produced is controlled by - CORRECT ANSWER - Milliamperage
