Modern CT images differ from earlier versions in that they
A) no longer use x-rays.
B) are safer for the participant as well as the x-ray technician.
C) can be used to construct three-dimensional images.
D) can be used to measure activity in a structure.

Question

Quizplus · Accepted Answer

Modern CT images can be used to construct three-dimensional images, which was not possible in earlier versions. Option A is incorrect as CT images still use x-rays, but with lower radiation doses. Option B is partially correct as modern CT machines use lower radiation doses, but this does not necessarily make them safer for the technician. Option D is incorrect as CT scans do not measure activity in a structure, but rather provide a visual image.

Modern CT Images Differ from Earlier Versions in That They