3. Pregnant women should never have an X-ray.
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2. X-rays do not stay in the body after the radiation exposure.
A. True
B. False
1. You are exposed to X-ray whenever you enter a room with an X-ray machine.
A. True
B. False
In OPG, in order to image a curved plane along the arch of the teeth:
A. The X-ray source and film are mounted on an arm rotating at the center of the arch.
B. The main arm rotates at a constant speed, while the speed of the film drum is varied
C. Both first and second answers are correct.
X-ray OPG is mainly used for:
A. Imaging fractures.
B. Imaging teeth and features around the teeth.
C. Imaging on a curved plane.
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