Performing Fluoroscopic Examinations of the Colon Are Scheduled Less Often

Multiple Choice

Performing fluoroscopic examinations of the colon are scheduled less often than before.The reason for this change in the clinical study of the colon includes

A) an increased cost of barium as a contrast agent.
B) patient tolerance for barium enemas as diminished.
C) the sensitivity of colonoscopy has surpassed the results of barium contrast colon studies.
D) the shortage of radiologists has made fluoroscopy of the colon harder to schedule.