Each of the following statements regarding the principles of the paralleling technique is correct EXCEPT one. Which one is the EXCEPTION?
A) Parallel placement of the image receptor is accomplished using an image receptor holder.
B) The central ray of the x-ray beam is directed perpendicular to both the teeth and the image receptor.
C) The patient is directed to hold the image receptor in the mouth with a finger or thumb.
D) The image receptor is placed parallel to the long axes of the teeth of interest.
Correct Answer:
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