The use of contrast material as a means for visualizing human anatomy has a long history.Regardless of the type of contrast media,the purpose for using contrast media is to
A)increase patient radiation dose and improve image quality.
B)enhance the low subject contrast of anatomic structures.
C)increase metabolism of the kidneys and liver.
D)improve the contrast between high contrast structures such as bone.

Question

Quizplus · Accepted Answer

Contrast media are diagnostic agents that are instilled into body orifices or injected into the vascular system,joints,and ducts to enhance subject contrast in anatomic areas where low subject contrast exists.

The Use of Contrast Material as a Means for Visualizing