The most common contrast medium used for radiologic examinations of the gastrointestinal tract is:
A) air.
B) carbon dioxide.
C) barium sulfate.
D) water-soluble iodine.

Question

Quizplus · Accepted Answer

Barium sulfate is the most commonly used contrast medium for radiologic examinations of the gastrointestinal tract due to its effectiveness in coating the lining of the GI tract, providing clear images.

The Most Common Contrast Medium Used for Radiologic Examinations of the Gastrointestinal