Personnel monitoring for radiation exposure is done by: correct answers Wearing a dosimeter
The optimal temperature of the developer in an automatic processor is correct answers 80-95 F
Which of the following condition may mimic caries on an intraoral radiograph? correct answers
Root resorption
Which of the following is a disadvantage of panoramic radiographs? correct answers Higher cost
of equipment
Insufficient rinsing of processed radiographic film will result in a/an: correct answers Brownish
yellow stain on the radiograph
A step wedge can be used to demonstrat correct answers Film contrast
If a patient did not remove earrings prior to exposing a panoramic, the radiograph could have:
correct answers Ghost images
The buccal Object Rule is used to determine if a foreign body is located in which direction?
correct answers Lingual to buccal
Which of the following will cause white spots to appear on radiographs correct answers Fixer
solution contacts the film
Most bilateral findings in radiographs are considered correct answers Normal anatomic
landmarks
The diameter of the cone-shaped beam produced from a circular collimator is: correct answers
2.75 inches
Which of the following landmarks is useful when mounting films in the mandibular anterior
area? correct answers Lingual foramen
To reduce the patient's anxiety about radiographic exposure, the dental assistant should correct
answers Take time to explain the procedure
Dental healthcare personnel can best shield themselves from radiation during patient exposure by
standing behind correct answers A drywall barrier
Radiation injury results from correct answers Exposure
Which of the following landmarks is useful when mounting films in the maxillary posterior area?
correct answers Floor of the maxillary sinus
, Which of the following could cause a straight black line/border to appear on the radiograph?
correct answers Fixer solution level was low
Long-term effects of exposure to radiation may be associated with correct answers Nausea and
vomiting
Which of the following film sizes is the longest? correct answers 3
Dental healthcare personnel who are pregnant can expose radiographs during the correct answers
Entire pregnancy
The best way to prevent cross contamination from an exposed film packet is by correct answers
Using individual barrier envelopes
A panoramic radiograph with a dark shadow over the apices of the maxillary teeth may be
caused by the patient: correct answers Not placing the tongue against the palate
The shorter the wavelength of electromagnetic radiation, the greater the correct answers Energy
The most common radiographic exposure used to evaluate a dental implant on an adult is correct
answers Periapical
When exposing a panoramic radiograph on an edentulous patient, which of the following would
a dental assistant use to stabilize the upper and lower arch on the bite block? correct answers
Cotton rolls
Light colored radiographs commonly result from correct answers Underexposure
When using an automatic processor, how many seconds should be allowed between the insertion
of each dental film? correct answers 10
Which of the following can be used to measure excessive occupational exposure? correct
answers Film badge
Compared to the paralleling technique a disadvantage of the bisecting angle technique is correct
answers Image distortion
The lead apron and thyroid collar used during radiography should be disinfected correct answers
After each use
When documenting a lesion found on a radiograph, all of the following should be described
except correct answers Severity
Before exposing radiographs on a minor, the dental assistant should correct answers Obtain
consent from parent or legal guardian