to make the patient as comfortable as possible during asingle contrast barium enema (BE) the radiographer shoud

to make the patient as comfortable as possible during asingle contrast barium enema (BE) the radiographer shoud:
1. instruct the patient to relax the abdominal muscles to prevent intraabdominal pressure
2. instruct the patient to concentrate on breathing deeply to reduce Coloic spasm
3. prerare awarm barium suspension to aid in retention
a. 2 only
b. 1 and 2 only
c. 2and 3 only
d. 1, 2and 3