DANB RHS practice test Questions and Answers (100% Pass)
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Course
Dental Radiology
Institution
Dental Radiology
DANB RHS practice test Questions and Answers (100% Pass)
Damage to a living organism that is produced by photons striking the
organism and producing a molecular chemical change be caused by:
A)Breaking molecules into smaller pieces
B)Disrupting molecular bonds
C)Forming new bonds within molecu...
Which of the following has a radiopaque appearance?
A)Periapical cyst
B)Mandibular torus
C)Dentigerous cyst
D)Ameloblastoma - Answer✔️✔️-Mandibular torus
A panoramic film was taken on a patient who had mandibular teeth but
wore a complete maxillary denture. You asked him to remove the denture
during the exposure. When you looked at the film, the mandibular teeth
were very slender and out of focus.
What happened? - Answer✔️✔️-The patient was positioned too far forward
in the bite block/machine.
The area of the skull that is in focus and this exhibited on a panoramic
film?
A)Latent image
B)Focal trough or image layer
C)Ghost image)
D)Within Frankfort plane - Answer✔️✔️-B)Focal trough or image later
You notice a dark streak or band superimposed over the apices of the
maxillary teeth on a panoramic radiograph. Which of the following errors
occurred during the exposure? - Answer✔️✔️-The patients tongue was not
contacting the hard palate
A lateral oblique or lateral jaw projection may be chosen when..? -
Answer✔️✔️-The patient is not able to have an intraoral film, and a
panoramic unit is not available.
A transcranial view refers to a..?
A)TMJ projections
B)Panomograph
C)Cephalometric view
D)View in one ear and out the other - Answer✔️✔️-A)A TMJ projection
The anatomic strucures or a primary importance on TMJ projections are
A)The condyle and the coronoid process
B)The condyle and the maxillary tuberosity
C)The coronoid process and the articular eminence
D)The articular eminence and the condyle. - Answer✔️✔️-The coronoid
process and the articular eminence
The best method to obtain the most accurate endodontic film is to use..?
A)The bisecting-angle technique with the patient holding the film
B)The paralleling technique with a film holder such as a hemostat or Snap-
A-Ray
4
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