DANB RHS, Radiography DANB
REVIEW Exam A+ Pass Brand
New!!! (A Grade)
Which of the following will cause white spots to appear on radiographs? - Answer- Fixer
solution contacts the film
The use of a thyroid collar is recommended for all of the following radigraphic exposures
EXCEPT - Answer- panoramic
Which of the following must be monitored for radiation leakage? - Answer- Dental x-ray
machines
After the completion of a radiographic procedure, the PID should be - Answer-
Disinfected
The most important step the dentist can take in protecting patients from x-radiation is to
- Answer- Properly prescribe radiographs
Which of the following landmarks is useful when mounting films of the mandibular
posterior area? - Answer- mental foramen
The expiration date on dental x-ray film is printed - Answer- on the film packaging box
Which of the following best describes the action of the developer solution? - Answer-
converts exposed silver halide crystals
Which of the following should be used to prevent cross-contamination from exposure
buttons? - Answer- plastic covers
Which of the following pathogens is NOT found in oral or respiratory secretions? -
Answer- West Nile Virus
The annual maximum accumulated dose (MAD) of radiation for dental assistant is
based on which of the following calculations? - Answer- The correct answer is: Age
minus 18 times 5 rems/year
Duplicating film is covered in - Answer- one sided emulsion
Developing solution temperatures should be checked frequently when using - Answer-
manual processing
,If there are no teeth to serve as guides, which of the following landmarks indicates a
maxillary molar area radiograph? - Answer- tuberosity
When transporting a disposable cup containing patients exposed film to the
development area, the dental assistant should - Answer- carry the container with the
ungloved hand
Processing tanks should be cleaned when the - Answer- solutions are changed.
Inside the film packet, the film is wrapped in a - Answer- black paper sheet
Which of the following influences the sharpness of a radiograph? - Answer- Focal Spot
size
Dental healthcare personnel who are pregnant can expose radiographs during the -
Answer- entire pregnancy
Dental assistants exposing x-rays can best be protected from scatter radiation by -
Answer- Standing behind a lead barrier
During the processing of x-ray film, the removal of the halide portion of the exposed
silver crystals is called - Answer- Reduction
Contrast in a radiograph is primarily controlled by - Answer- kVp
Which of the following landmarks would be seen in a maxillary anterior periapical
radiograph? - Answer- Incisive Foramen
Which of the following is a disposable intraoral x-ray film holder device? - Answer-
Stabe
Where is the most common area in the oral cavity for a dentigerous cyst? - Answer-
around the third molars
Which of the following radiolucencies may be mistaken for caries? - Answer- Cervical
burnout
The purpose of the aluminum disc in the x-ray tubehead is to - Answer- Filter out long x-
rays from the primary beam
The position-indicating device (PID) shape that most effectively reduces patient
exposure to radiation is - Answer- rectangular
The best way to prevent cross-contamination from an exposed film packet is by -
Answer- Using individual barrier envelopes
,When preparing to take a digital radiograph, after selecting the appropriate sensor size
for the patient, the next step is to - Answer- Place barrier on sensor
Light-colored radiographs commonly result from - Answer- underexposure
Which of the following measures the amount of radiation that reaches the surface of the
skin? - Answer- Roentegen
Which of the following will best protect the dental assistant from cross-contamination
while exposing radiographs? - Answer- gloves
Once the film has been removed from the protective packet, the dental assistant should
- Answer- recycle lead foil in a separate container
Cone beam computed tomography uses - Answer- 3-dimensonal technology
Film boxes should be stored in - Answer- its original lead-wrapped packaging
The most radiolucent area on an anterior radiograph is the - Answer- nasal fossa
If a patient did not remove earrings prior to exposing a panoramic, the radiograph could
have - Answer- Ghost images
Maximum wattage for a safelight bulb should be - Answer- 15
Which of the following increases the density on duplicated film? - Answer- decrease the
exposure time
Dilaceration in a radiographic image indicates the - Answer- root shape is abnormally
bent or curved.
Which of the following radiolucent landmarks is useful when mounting films in the
mandibular anterior area? - Answer- lingual foramen
Which of the following lesions appears radiopaque on a radiograph? - Answer- Sclerotic
bone
When changing the 8-inch PID to a 16-inch PID, which of the following is used to
determine the intensity of the beam? - Answer- Inverse Square Law
Which of the following landmarks is useful when mounting films in the maxillary
posterior area? - Answer- Floor of the maxillary sinus
Chemical agents should be properly disposed of according to - Answer- federal , state,
and local laws
, Which of the following is a measurement of tissue damage from x-ray energy? -
Answer- radiation absorbed dose
A step wedge can be used to demonstrate - Answer- film contrast
The primary function of collimation is to - Answer- restrict the size of the beam
Which of the following landmarks is useful when mounting films in the maxillary central
area? - Answer- anterior nasal spine
How frequently should processing solutions be replenished - Answer- daily
Which of the following is most likely to cause a stored radiograph to turn brown over
time? - Answer- Underwashing
A processed film has a straight, clear border on the upper edge. This error is caused by
- Answer- Developer solution is too low
Which of the following sequences best describes radiation injury to tissue? - Answer-
latent period, period of injury, period of recovery
The Frankfort Plane is an imaginary plane passing through the - Answer- external
auditory meatus to the floor of the orbit
Which of the following equations is used to determine the occupational maximum
accumulated dose (MAD) of radiation? - Answer- age minus 18 times 5 rems/year
A panoramic image appears to have a "reverse smile" when the - Answer- Frankfort
plane is angled upward.
When radiographs are mounted with the embossed dot appearing outward, this is
known as - Answer- facial mounting
A radiograph will automatically be retaken when there is a - Answer- double exposure
The purpose of a grid device on an extraoral cassette is to - Answer- Reduce scatter
radiation from reaching the film
Which of the following PID produces the greatest amount of secondary radiation? -
Answer- Close ended plastic cone
Which of the following could cause a straight black line/border to appear on a
radiograph? - Answer- Fixer solution level was low.
When using an automatic processor, how many seconds should be allowed between
the insertion of each dental film? - Answer- 10
REVIEW Exam A+ Pass Brand
New!!! (A Grade)
Which of the following will cause white spots to appear on radiographs? - Answer- Fixer
solution contacts the film
The use of a thyroid collar is recommended for all of the following radigraphic exposures
EXCEPT - Answer- panoramic
Which of the following must be monitored for radiation leakage? - Answer- Dental x-ray
machines
After the completion of a radiographic procedure, the PID should be - Answer-
Disinfected
The most important step the dentist can take in protecting patients from x-radiation is to
- Answer- Properly prescribe radiographs
Which of the following landmarks is useful when mounting films of the mandibular
posterior area? - Answer- mental foramen
The expiration date on dental x-ray film is printed - Answer- on the film packaging box
Which of the following best describes the action of the developer solution? - Answer-
converts exposed silver halide crystals
Which of the following should be used to prevent cross-contamination from exposure
buttons? - Answer- plastic covers
Which of the following pathogens is NOT found in oral or respiratory secretions? -
Answer- West Nile Virus
The annual maximum accumulated dose (MAD) of radiation for dental assistant is
based on which of the following calculations? - Answer- The correct answer is: Age
minus 18 times 5 rems/year
Duplicating film is covered in - Answer- one sided emulsion
Developing solution temperatures should be checked frequently when using - Answer-
manual processing
,If there are no teeth to serve as guides, which of the following landmarks indicates a
maxillary molar area radiograph? - Answer- tuberosity
When transporting a disposable cup containing patients exposed film to the
development area, the dental assistant should - Answer- carry the container with the
ungloved hand
Processing tanks should be cleaned when the - Answer- solutions are changed.
Inside the film packet, the film is wrapped in a - Answer- black paper sheet
Which of the following influences the sharpness of a radiograph? - Answer- Focal Spot
size
Dental healthcare personnel who are pregnant can expose radiographs during the -
Answer- entire pregnancy
Dental assistants exposing x-rays can best be protected from scatter radiation by -
Answer- Standing behind a lead barrier
During the processing of x-ray film, the removal of the halide portion of the exposed
silver crystals is called - Answer- Reduction
Contrast in a radiograph is primarily controlled by - Answer- kVp
Which of the following landmarks would be seen in a maxillary anterior periapical
radiograph? - Answer- Incisive Foramen
Which of the following is a disposable intraoral x-ray film holder device? - Answer-
Stabe
Where is the most common area in the oral cavity for a dentigerous cyst? - Answer-
around the third molars
Which of the following radiolucencies may be mistaken for caries? - Answer- Cervical
burnout
The purpose of the aluminum disc in the x-ray tubehead is to - Answer- Filter out long x-
rays from the primary beam
The position-indicating device (PID) shape that most effectively reduces patient
exposure to radiation is - Answer- rectangular
The best way to prevent cross-contamination from an exposed film packet is by -
Answer- Using individual barrier envelopes
,When preparing to take a digital radiograph, after selecting the appropriate sensor size
for the patient, the next step is to - Answer- Place barrier on sensor
Light-colored radiographs commonly result from - Answer- underexposure
Which of the following measures the amount of radiation that reaches the surface of the
skin? - Answer- Roentegen
Which of the following will best protect the dental assistant from cross-contamination
while exposing radiographs? - Answer- gloves
Once the film has been removed from the protective packet, the dental assistant should
- Answer- recycle lead foil in a separate container
Cone beam computed tomography uses - Answer- 3-dimensonal technology
Film boxes should be stored in - Answer- its original lead-wrapped packaging
The most radiolucent area on an anterior radiograph is the - Answer- nasal fossa
If a patient did not remove earrings prior to exposing a panoramic, the radiograph could
have - Answer- Ghost images
Maximum wattage for a safelight bulb should be - Answer- 15
Which of the following increases the density on duplicated film? - Answer- decrease the
exposure time
Dilaceration in a radiographic image indicates the - Answer- root shape is abnormally
bent or curved.
Which of the following radiolucent landmarks is useful when mounting films in the
mandibular anterior area? - Answer- lingual foramen
Which of the following lesions appears radiopaque on a radiograph? - Answer- Sclerotic
bone
When changing the 8-inch PID to a 16-inch PID, which of the following is used to
determine the intensity of the beam? - Answer- Inverse Square Law
Which of the following landmarks is useful when mounting films in the maxillary
posterior area? - Answer- Floor of the maxillary sinus
Chemical agents should be properly disposed of according to - Answer- federal , state,
and local laws
, Which of the following is a measurement of tissue damage from x-ray energy? -
Answer- radiation absorbed dose
A step wedge can be used to demonstrate - Answer- film contrast
The primary function of collimation is to - Answer- restrict the size of the beam
Which of the following landmarks is useful when mounting films in the maxillary central
area? - Answer- anterior nasal spine
How frequently should processing solutions be replenished - Answer- daily
Which of the following is most likely to cause a stored radiograph to turn brown over
time? - Answer- Underwashing
A processed film has a straight, clear border on the upper edge. This error is caused by
- Answer- Developer solution is too low
Which of the following sequences best describes radiation injury to tissue? - Answer-
latent period, period of injury, period of recovery
The Frankfort Plane is an imaginary plane passing through the - Answer- external
auditory meatus to the floor of the orbit
Which of the following equations is used to determine the occupational maximum
accumulated dose (MAD) of radiation? - Answer- age minus 18 times 5 rems/year
A panoramic image appears to have a "reverse smile" when the - Answer- Frankfort
plane is angled upward.
When radiographs are mounted with the embossed dot appearing outward, this is
known as - Answer- facial mounting
A radiograph will automatically be retaken when there is a - Answer- double exposure
The purpose of a grid device on an extraoral cassette is to - Answer- Reduce scatter
radiation from reaching the film
Which of the following PID produces the greatest amount of secondary radiation? -
Answer- Close ended plastic cone
Which of the following could cause a straight black line/border to appear on a
radiograph? - Answer- Fixer solution level was low.
When using an automatic processor, how many seconds should be allowed between
the insertion of each dental film? - Answer- 10
