Modern computerized tomography (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

Modern computerized tomography (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.​

Quizplus · Accepted Answer

Modern CT images can be used to construct three-dimensional images, which was not possible with earlier versions. Options A and B are incorrect as modern CT images still use X-rays, but they have been improved to reduce radiation exposure. Option D is incorrect as CT measures structure density, not activity.

Modern Computerized Tomography (CT)images Differ from Earlier Versions in That