Radiology Practice Test

Periapical films are X-ray films used to obtain a radiographic image of a specific tooth root and surrounding bone. Due to the varying sizes and shapes of teeth, periapical films do come in various sizes. Option B, False, is incorrect because it implies that periapical films only come in one size. Option C, None of the above, is incorrect because it does not provide a specific answer and option D, Not specified, is incorrect because it also does not provide a clear answer.