RHS EXAM STUDY EXAMS WITH
CORRECT ANSWERS
What are the advantages of Digital Imaging? - CORRECT
ANSWER-No film or processing solution, less exposure to the
patient
The anterior wall of the sinus and lateral wall of the nose form; -
CORRECT ANSWER-Inverted Y
As the target to film dista...
What are the advantages of Digital Imaging? - CORRECT
ANSWER-No film or processing solution, less exposure to the
patient
The anterior wall of the sinus and lateral wall of the nose form; -
CORRECT ANSWER-Inverted Y
As the target to film distance is increased, Will there be more or
less distortion? - CORRECT ANSWER-Less
The basic unit for measuring ionizing radiation exposure in the
air known as - CORRECT ANSWER-Roentgen
What is the best film to view lingual or buccal caries? -
CORRECT ANSWER-Occlusal
What is the best film to use on an edentulous patient? -
CORRECT ANSWER-Pano
The body tissue most sensitive to x-ray is; - CORRECT
ANSWER-Lymphocyte (white blood cells)
, cephalometric films are used primarily in which area of dentistry
- CORRECT ANSWER-orthodontic
What material is the collimator made of? - CORRECT
ANSWER-Lead
When exposing periapicals on an edentulous patient, the
exposure time should; - CORRECT ANSWER-Decrease the
exposure by 1/2 or 1/4
What is the correct vertical angulation when taking a bitewing
radiograph? - CORRECT ANSWER-+10 degrees
What chemical in the fixer that clears the unexposed silver
halide crystals? - CORRECT ANSWER-Ammonium Thiosulfate
What is the primary diagnostic use of a bitewing radiograph? -
CORRECT ANSWER-Check for interproximal decay and
crestal bone levels
What is the primary use of occlusal dental radiographs? -
CORRECT ANSWER-Locate foreign bodies
What is the recommended size of the lead collimator? -
CORRECT ANSWER-2.75 inches
What is the transfer of energy as it passes through matter
called? - CORRECT ANSWER-Absorption
What term describes the loss of electrons from a substance? -
CORRECT ANSWER-Ionization
Where in the x-ray head does thermionic emission take place?
- CORRECT ANSWER-Tungsten filament
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