RHS Study Guide, Top Questions and answers, 100% Accurate. Rated A+
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RHS
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RHS
RHS Study Guide, Top Questions and answers, 100% Accurate. Rated A+
Which of the following radiolucent landmarks is useful when mounting films in the mandibular anterior area? - -Lingual Foramen
According to the inverse square law, when changing the PID length from 8 to 16 inches, the beam'...
RHS Study Guide, Top Questions and
answers, 100% Accurate. Rated A+
Which of the following radiolucent landmarks is useful when mounting films in the mandibular anterior
area? - ✔✔-Lingual Foramen
According to the inverse square law, when changing the PID length from 8 to 16 inches, the beam's
intensity is - ✔✔-1/4 as intense
Patients should wear a thyroid collar during which type of radiographic exposure? - ✔✔-Intraoral
radiograph
Personnel radiation monitoring devices are worn to - ✔✔-Record the occupational exposure received by
the operator
The most common radiographic exposure used to detect periodontal disease is a/an - ✔✔-Periapical
Emulsion damage to a film is caused by - ✔✔-Improper handling of film
Which of the following influences the sharpness of a radiograph? - ✔✔-Focal spot size
Duplication film is coated with - ✔✔-One-sided emulsion
The best way a dental assistant can minimize cross-contamination when exposing radiographs is to -
✔✔-Touch as few surfaces as possible
Which of the following is a disadvantage of panoramic radiographs? - ✔✔-Higher cost of equipment
,Which of the following increases the density on duplicated film? - ✔✔-Decrease the exposure time
Which of the following regulates the manufacturing and installation of x-ray equipment? - ✔✔-Federal
government
Which of the following causes the interproximal areas of the teeth to appear overlapped? - ✔✔-
Improper horizontal angulation
The penetrating x-ray beam produced during dental radiography is called - ✔✔-Primary radiation
On a radiograph, when the contact area of one tooth is superimposed over the contact of another, it is
called - ✔✔-Overlapping
Paralleling technique requires the film be placed - ✔✔-Away from the tooth, toward the middle of the
oral cavity
How frequently should processing solution be replenished? - ✔✔-Daily
Maximum wattage for a safelight bulb should be - ✔✔-15
Dental healthcare personnel can best shield themselves from radiation during patient exposure by
standing behind - ✔✔-A drywall barrier
The endentulous radiographic series may include all of the following except - ✔✔-Bitewings
Which of the following may cause unnecessary radiation exposure to the patient? - ✔✔-Radiograph
technique errors
On a full mouth series (fmx) with eighteen films, how many anterior films are exposed? - ✔✔-6
, The most commonly used radiographic exposure for a 3-year-old patient is - ✔✔-Bitewing
The best way to correct a cone-cutting error is to adjust - ✔✔-Film positioning
Blurred radiographic images are often caused by - ✔✔-Patient movement during exposure
The time between patient exposure to radiation and the appearance of biological damage is the - ✔✔-
Latent period
When using a 16-inch PID compared to an 8-inch PID the exposure time must be - ✔✔-Increased
Which of the following landmarks is useful when mounting films of the mandibular posterior area? -
✔✔-Mental foramen
Long-term effects of exposure to radiation may be associated with - ✔✔-Birth abnormalities
Which of the following could cause a straight black line/border to appear on a radiograph? - ✔✔-Fixer
solution was low
To maintain quality assurance while processing films, dental assistants should record - ✔✔-The date
solutions were changed
To view an abscess on tooth #25, the best radiographic exposure is a/an - ✔✔-Periapical
Processing tanks should be cleaned when the - ✔✔-Solutions are changed
Which of the following affects the quantity of x-rays being emitted from the tubehead? - ✔✔-mA
Which of the following is a measurement of tissue damage from x-ray energy? - ✔✔-Radiation absorbed
dose
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