DANB RADIOLOGY PRACTICE EXAM
QUESTIONS WITH CORRECT
ANSWERS
When taking a series of periapical radiographs n an 11-years old patient, which
exposure should be placed first? - Answer- Maxillary incisors
The advantage of double-emulsion film over single emulsion film is: - Answer- Less
radiation exposure.
Dental assistant should exhibit confidence during x-Ray exposure; dental assistant who
tells patient that gagging is ' all in their head' will experience fewer gagging problems. -
Answer- Both statements are true.
Which of the following would appear most radiopaque? - Answer- Amalgam filling.
The major disadvantage of the bisecting technique is that: - Answer- Image distortion is
more likely.
Which processing error results in the herringbone effects? - Answer- Film reversal
Which of the following x-ray would be the least beneficial for the totally edentulous
patient? - Answer- Bitewings
Before exposing a panoramic radiograph, the operator should request the removal of all
of the following except what,? - Answer- ...watch
Occlusal film is so named because it is --- than periapical or bitewing film and the
patient ----- the entire film. - Answer- Larger; occludes
The best way to correct a co cutting error is to: - Answer- Center the position indicating
device (PID)
The life expectancy of a radiographic processing solution depends upon all of the
following except: - Answer- Temperature of the solution
What is the overall darkness or blackness of a radiograph? - Answer- Density.
Which of the following is appropriate to increase radiographic contrast while maintaining
image density? - Answer- Decrease the KVP and increase the exposure time.
, Root caries involves the ? - Answer- Cementum and dentin only but not the enamel
A completed root canal would appear - on processed radiograph? - Answer-
Radiopaque
When processing a radiograph the darkroom overhead light was off. The safety light
was on and the door was slightly open. What effect to minor amount of room light have
on the processed radiograph ? It will appear!? - Answer- Black.
In which radiograph technique is the patient position in a device to support the chin? -
Answer- Panoramic
All of the following will produce an ideal radiographic image for detecting caries except
what.,? - Answer- Excessive vertical angulation.
The identification dot is used to: - Answer- Determine film orientation
Which film size is recommended for an occlusal radiograh on an 8-years old patient: -
Answer- #2
The time between exposure to x-Ray and the appearance of radiation damage is called
the what? - Answer- Latent period.
The nucleus of an atom contains what? - Answer- Protons and neutrons
Allowing the child patient to observe a sibling or parent undergoing a radiographic
procedures may help to alleviate fear of the unknown and promote cooperation. This
patient management strategy is called modeling. - Answer- Both statements are false.
A radiographer stands 4feet (1.22meters) from the head of the patient while exposing a
dental film. Her personnel monitoring device measures that radiation does at that
position to be 0.4millisevert (msv) the radiographer decided to move to a new location 8
feet. (2.44 meter) from the head of the patient. What is the dose at this new distance ? -
Answer- 0.01smv
The - film provides a wide view of maxilla and mandible ? - Answer- Panoramic?
All of the following anatomy are critical for dental radiography because they are in the
head and neck area except one.? - Answer- Brain and spinal cord.
Which of the following would be the best for imaging a generalized periodontal status? -
Answer- Series of vertical bitewings radiographs.
Radiographs are - comprehensive patient care? - Answer- Vital components
QUESTIONS WITH CORRECT
ANSWERS
When taking a series of periapical radiographs n an 11-years old patient, which
exposure should be placed first? - Answer- Maxillary incisors
The advantage of double-emulsion film over single emulsion film is: - Answer- Less
radiation exposure.
Dental assistant should exhibit confidence during x-Ray exposure; dental assistant who
tells patient that gagging is ' all in their head' will experience fewer gagging problems. -
Answer- Both statements are true.
Which of the following would appear most radiopaque? - Answer- Amalgam filling.
The major disadvantage of the bisecting technique is that: - Answer- Image distortion is
more likely.
Which processing error results in the herringbone effects? - Answer- Film reversal
Which of the following x-ray would be the least beneficial for the totally edentulous
patient? - Answer- Bitewings
Before exposing a panoramic radiograph, the operator should request the removal of all
of the following except what,? - Answer- ...watch
Occlusal film is so named because it is --- than periapical or bitewing film and the
patient ----- the entire film. - Answer- Larger; occludes
The best way to correct a co cutting error is to: - Answer- Center the position indicating
device (PID)
The life expectancy of a radiographic processing solution depends upon all of the
following except: - Answer- Temperature of the solution
What is the overall darkness or blackness of a radiograph? - Answer- Density.
Which of the following is appropriate to increase radiographic contrast while maintaining
image density? - Answer- Decrease the KVP and increase the exposure time.
, Root caries involves the ? - Answer- Cementum and dentin only but not the enamel
A completed root canal would appear - on processed radiograph? - Answer-
Radiopaque
When processing a radiograph the darkroom overhead light was off. The safety light
was on and the door was slightly open. What effect to minor amount of room light have
on the processed radiograph ? It will appear!? - Answer- Black.
In which radiograph technique is the patient position in a device to support the chin? -
Answer- Panoramic
All of the following will produce an ideal radiographic image for detecting caries except
what.,? - Answer- Excessive vertical angulation.
The identification dot is used to: - Answer- Determine film orientation
Which film size is recommended for an occlusal radiograh on an 8-years old patient: -
Answer- #2
The time between exposure to x-Ray and the appearance of radiation damage is called
the what? - Answer- Latent period.
The nucleus of an atom contains what? - Answer- Protons and neutrons
Allowing the child patient to observe a sibling or parent undergoing a radiographic
procedures may help to alleviate fear of the unknown and promote cooperation. This
patient management strategy is called modeling. - Answer- Both statements are false.
A radiographer stands 4feet (1.22meters) from the head of the patient while exposing a
dental film. Her personnel monitoring device measures that radiation does at that
position to be 0.4millisevert (msv) the radiographer decided to move to a new location 8
feet. (2.44 meter) from the head of the patient. What is the dose at this new distance ? -
Answer- 0.01smv
The - film provides a wide view of maxilla and mandible ? - Answer- Panoramic?
All of the following anatomy are critical for dental radiography because they are in the
head and neck area except one.? - Answer- Brain and spinal cord.
Which of the following would be the best for imaging a generalized periodontal status? -
Answer- Series of vertical bitewings radiographs.
Radiographs are - comprehensive patient care? - Answer- Vital components
