BU DENTAL RADIOLOGY ACTUAL EXAM SCRIPT 2026 FULL QUESTIONS AND CORRECT ANSWERS ALREADY PASSED

BU DENTAL RADIOLOGY ACTUAL EXAM
SCRIPT 2026 FULL QUESTIONS AND CORRECT
ANSWERS ALREADY PASSED



◉ Who discovered what x-rays were? Answer: Wilhelm Conrad
Roentgen


◉ In a dental x-ray tube the electrons are emitted from the what?
Answer: Cathode


◉ X-ray is produced when electrons moving at a high speed hit the
tugstnen target in a x-ray tube. T or F. Answer: True


◉ an assistant may hold the film or sensor in place for the pt during
exposure. Answer: False


◉ As soon as a film or sensor is placed in a pt's mouth it is considered
contaminated? Answer: True


◉ X-rays are ionizing radiation.. Answer: True

, ◉ Bitewings show what? Answer: Crowns and permant fixtures are
interporximal surfaces of the teeth.


◉ In the paralleling technique the xray is directed perpendicular to the
bisecting line between the angle of the long axis of the tooth and the
film/sensor. Answer: True, explain.. So when you are parallelling, the
angle you make when you are bisecting is perpendicular to the angle


◉ Pt;s should be drapped with a led apron prior to any radiographic
images? Answer: True


◉ Which if not a safety precaution for taking x-rays?
-Always stand behind an appropriate barrier?
-Never stand in the path of primary radiation
-Never stabilize the tube head during radiation
-If neccessary hold the film in the pt's mouth. Answer: If neccessary
hold the film in the pt's mouth, never hold the film or sensor in the pts
mouth.


◉ X-rays travel at the speed of light? Answer: True


◉ Nerve cells can be regennerated? Answer: False, No- Dense things
like bone can and perm fixtures, restorations.