DENTAL RADIOLOGY FINAL EXAM NEWEST
2026 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALL ANSWERED {160 Q & A}
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What TFD would produce a radiograph with the least image
magnification?
A. 4 in
B. 7 in
C. 8 in
D. 16 in - ✔✔✔ Correct Answer > D. 16 in
Which term best describes an x-ray beam that is composed of a
variety of wavelengths? - ✔✔✔ Correct Answer > Polychromatic
What factor has the greatest effect on film definition(blurriness)?
A. movement
B. filtration
C. kilovoltage
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D. Amperage - ✔✔✔ Correct Answer > A. movement
Which term describes the white areas on the processed
radiograph? - ✔✔✔ Correct Answer > Radiopaque
Which of these would show the largest degree of contrast
between two adjacent areas?
A. 60 kVp
B. 70 kVp
C. 80 kVp
D. 90 kVp - ✔✔✔ Correct Answer > A. 60 kVp
The dental radiograph will appear lighter if one increased the:
A. mA
B. kVp
C. Exposure time
D. TFD - ✔✔✔ Correct Answer > TFD
What is mA associated with? - ✔✔✔ Correct Answer > Density
What is kVp associated with? - ✔✔✔ Correct Answer > Contrast
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In order to increase the contrast on a radiograph, it is necessary
to: - ✔✔✔ Correct Answer > Decrease kVp and increase the mA
Selection of proper kVp is influenced most by what? - ✔✔✔ Correct
Answer > Size of patient and density of tissues
The ray in the middle of the x-ray beam is called the what? - ✔✔✔
Correct Answer > Central ray
The differences in density appearing on a radiograph is called
what? - ✔✔✔ Correct Answer > contrast
Occipitomental view of maxillary sinus - ✔✔✔ Correct Answer > Waters
Measures changes in the size of the head and arches - ✔✔✔ Correct
Answer > Cephalometric
Topographic radiograph which bisects the angle formed by the
long axis of the anterior teeth and the plane of the film. - ✔✔✔
Correct Answer > Occlusal Radiograph
Side view which shows a very large area of the jaw - ✔✔✔ Correct
Answer > Lateral oblique