100 Practice Questions and Correct Answers/
RAD Midterm TCDHA Practice Test 2026
A DENTAL radiograph is... - ANSWER-Is the dental image produced on a
recording medium
How many exposures of the posterior teeth will you need to take when using the
paralleling technique? - ANSWER-Eight
What are the components of a film composition? - ANSWER-1. A film base
2. An adhesive layer
3. Film emulsion
4. A protective layer
TRUE OF FLASE:
When using the paralleling technique, you must be conscious of fixed vertical
angulations.... - ANSWER-FALSE
TRUE OR FLASE:
The paralleling technique creates dental images free from dimensional distortion...
- ANSWER-TRUE
pg. 1
, Which image must include the crowns, roots, and surrounding bone, sinus and
tuberosity region of the first, second, and third molars? - ANSWER-The maxillary
molar
Which size bite-wing receptor may be placed in a horizontal or vertical position? -
ANSWER-Size 2
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 mesial edge of the receptor when taking a premolar
bite-wing image? - ANSWER-Midline of the mandibular canine
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
pg. 2