RHS 222 Exam Review Questions With 100% Correct Answers|26 Pages
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Course
RHS
Institution
RHS
Which of the following radiolucencies may be mistaken for carries? - ️️Cervical burnout
What can be done to stabilize the biteblock on a partially edentulous patient? - ️️Use a cotton roll
What is the name of the device used to monitor employees for radiation exposure? - ️️Dosimeter
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RHS 222 Exam Review Questions
Which of the following radiolucencies may be mistaken for carries? - ✔
✔ Cervical burnout
What can be done to stabilize the biteblock on a partially edentulous
patient? - ✔ ✔ Use a cotton roll
What is the name of the device used to monitor employees for radiation
exposure? - ✔ ✔ Dosimeter
What is the primary advantage in using digital radiography? - ✔ ✔
Reduces the radiation to patient
What is the primary advantage in using digital radiography? - ✔ ✔
Reduces the radiation to patient
What type of radiograph is used by an orthodontist to assist with
treatment planning? - ✔ ✔ Cephalometric
When changing the 8-inch PID to a 16-inch PID, which of the following
is used to determine the intensity of the beam? - ✔ ✔ Inverse square
law
When documenting a lesion found on a radiograph, all of the following
should be described EXCEPT - ✔ ✔ severity
When executing a routine hand wash, the dental assistant should lather
and scrub for a minimum of - ✔ ✔ 15 seconds
Which of the following radiolucent landmarks is useful when mounting
films in the mandibular anterior area? - ✔ ✔ Lingual foramen
,Which of the following regulates the manufacturing and installation of
x-ray equipment? - ✔ ✔ Federal government
Which of the following results in a double image radiograph? - ✔ ✔
Exposing the same film twice
Which of the following results in a double image radiograph? - ✔ ✔
Exposing the same film twice
Which of the following should you ask a patient to do before you begin
exposing intraoral radiographs? - ✔ ✔ Remove glasses
Which of the following tissues is the most highly radiosensitive? - ✔
✔ Skin
Which of the following will cause white spots to appear on radiographs?
- ✔ ✔ Fixer solution contacts the film
Which part of the x-ray machine should be covered or disinfected after
each patient? - ✔ ✔ Tubehead
Which type of gloves are required for the decontamination of the
darkroom? - ✔ ✔ Nitrile utility
While exposing x-ray films, radiation deflecting off the patient's head is
called - ✔ ✔ Scatter radiation
After the completion of a radiographic procedure, the PID should be.. -
✔ ✔ Disinfected
ALARA is primarily concerned with the radiation that is - ✔ ✔
Artificial
, All of the following can be used for handling film in the daylight loader
EXCEPT - ✔ ✔ utility gloves
Aluminum filter - ✔ ✔ Removes the poor-quality or low energy
radiation
An underexposed film will appear - ✔ ✔ Light
Back-scatter radiation to the film is prevented by the.. - ✔ ✔ lead foil
Before exposing radiographs on a minor, the dental assistant should - ✔
✔ Obtain consent from the parent or legal guardian
Bitewing Radiographs - ✔ ✔ - An intraoral exposure that
simultaneously shows the crowns of both the maxillary and mandibular
teeth and interproximal areas of teeth indicated in a radiograph or digital
image
- Can be either posterior or anterior
Blurred radiographic images are often caused by - ✔ ✔ Patient
movement during exposure
Cephalometric Radiographs - ✔ ✔ - An extraoral exposure used to
evaluate and measure lateral and posteroanterior regions
- Requires a cephalometer
Chemical agents should be properly disposed of according to - ✔ ✔
Federal, state and local laws
Collimator - ✔ ✔ A lead disc that scales, shapes and restricts the
primary x-ray beam to the desired size
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