TCDHA RAD 1 ACTUAL EXAM NEWEST 2025/2026 NEWEST
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
Your 35-year-old patient has clinical attachment loss in the
posterior teeth. What type of bite-wing images should you take,
and what size receptor should you use? - ANSWER-Vertical; 2
In the adult patient, which size receptor is recommended for
bitewing exposures? - ANSWER-Size 2
When determining vertical angulation, if the PID is positioned
above the occlusal plane and the central ray is directed
________, the vertical angulation is termed ____________. -
ANSWER-Downward; positive
Where should you position the meisal edge of the receptor when
taking a premolar bite-wing image? - ANSWER-Midline of the
mandibular canine
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Where should you position the mensal edge of the receptor when
taking a molar bite-wing image? - ANSWER-Distal of the
mandibular first premolar
What vertical angulation should you use when adjusting the PID
to take bite-wing images with bite-tabs? - ANSWER-+10 Degrees
A beam of energy that has the power to penetrate substances and
record image shadows on a receptor is... - ANSWER-An x-ray
Radiology - ANSWER-A branch of medicine that deals with the
use of x-rays
X-radiation is a high-energy radiation produced by.... - ANSWER-
The collision of a beam of electrons with a metal target in an X-
ray tube.
Who observed that discharges emitted from the negative
electrode of a vacuum tube traveled in straight lines, produced
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heat, and resulted in a greenish fluorescence. - ANSWER-Johann
Hittorf in 1870
William Crookes discovered... - ANSWER-That cathode rays were
streams of charged particles; 1870s
Who INTRODUCED the paralleling technique? - ANSWER-C.
Edmund Kells (1896)
Who MODIFIED the BISECTING technique and introduced the
bite-wing technique? - ANSWER-Howard Riley Raper (1925)
What is an image? - ANSWER-Is a picture or likeness of an object
A radiograph is... - ANSWER-An image of two-dimensional
representation of a three-dimensional object.
A DENTAL radiograph is... - ANSWER-Is the dental image
produced on a recording medium