Verified
Which of the following should be labeled on the radiographic mount prior to film duplication? - right and
left sides
Maximum wattage for a safelight bulb should be - 15
On a radiograph, what is the dense radiopaque band that outlines the edge of the mandible?
Inferior border
Mental protuburance
Mylohyoid ridge
Oblique ridge - inferior border
The penetrating x-ray beam produced during dental radiography is called - primary radiation
A step wedge can be used to demonstrate - fim contrast
How often should protective clothing be changed in an oral healthcare setting? - when visibly solied
which of the following is the measurement of force that refers to potential difference between 2
electrical charges> - voltage
During film processing, which of the following can cause a dark image - overdeveloped film
What can be done to stabilize the biteblock on a partially edentulous patient? - use a cotton roll
Which of the following film size is the longest? - size 3
,Which of the following film sizes would be used for an adult periapical film? - Size 2
Processing tanks should be cleaned when the - Solutions are changed
In dental radiography, the purpose of the fixer solution is to - remove unexposed silver halide crystals
The most common radiographic exposure used to evaluate a dental implant on an adult is - periapical
Which of the following is most essential when labeling the film mount? - Patient name
Supernumerary teeth are best detected using what type of film? - panoramic
Which of the following errors occur when the vertical angulation is incorrect? - elongation
The use of a thyroid collar is recommended for all of the following radigraphic exposures EXCEPT -
panoramic
When taking a panoramic radiograph, the patient's head should be oriented - with the midsagittal plane
perpendicular to the floor
The radiation exposure that poses the greatest hazard to the operator is - leakage radiation
Which of the following is a DISADVANTAGE of panoramic radiographs? - Higher cost of equipment
On a radiograph, the anterior alveolar crest normally appears - pointed, sharp
How frequently should processing solutions be replenished? - daily
The American Dental Association recommends that radiographs be mounted with the embossed dots -
all facing in the same direction.
, The purpose of a grid device on an extraoral cassette is to - reduce scatter radiation reaching the film.
Leakage radiation is defined as any radiation that is - from the primary beam
Which of the following is a long-term effect of radiation? - genetic defects
The BEST radiograph to evaluate a suspected salivary stone in the submandibular gland is a/an - occlusal
To produce ionizing radiation, an atom must - add an electron
Long-term effects of exposure to radiation may be associated with - birth abnormalities
During film processing, which of the following can cause a dark image? - Overdeveloped film
When exposing radiographs, what is the minimum distance the operator should stand from the tube
head? - 6 feet
Which of the following should be used to prevent cross-contamination from exposure buttons? - plastic
cover
Which of the following film size is used for an occlusal exposure? - size 4
Which type of gloves are required for the decontamination of the darkroom? - Nitrile utility
The maximum permissible dose (MPD) of ionizing radiation for occupational exposure is - 5.0 rem per
year
All of the following can be used for handling film in the daylight loader EXCEPT - Utility gloves