NEW DENTAL ASSISTING RADIOLOGY MN LICENSURE TEST 2024-
2025 COMPLETE REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (CORRECT VERIFIED ANSWERS) LATEST
UPDATES |ALREADY GRADED A+ (FULL REVISED EXAM)
Which of the following describes the use of a filter in a dental x-
ray machine?
a. a filter removes low-energy x-rays
b. a filer decreases the mean energy of the beam
c. a filer reduces the size and shape of the beam
d. a filer removes the dose of radiation to the thyroid gland -
Answer-a. filter removes low-energy x-rays
Which of the following is used as a collimator?
a. lead plate
b. aluminum plate
c. copper plate
d. molybdenum cup - Answer-a. lead plate
What is the purpose of the lead foil in the film packets? -
Answer-to stop the backscatter radiation
, The step-down transformer is controlled by the? - Answer-mA
dial (milliamperage)
Where are x-rays produced? - Answer-positive anode
X-rays are made up of: - Answer-photons
Which film speed is currently the fastest intraoral film
available? - Answer-F speed film
Which of the following appear most radiopaque on a
radiograph?
a. enamel
b. silver points
c. cementum
d. gutta percha - Answer-Silver points
What exposure factor has a direct influence on the contract of a
dental radiograph? - Answer-operating kilovoltage peak
The paralleling technique produces an image with: - Answer-
decreased distortion
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