Final answer:
The positions likely to be employed for both single- and double-contrast examinations of the large bowel are the lateral rectum. The positions that are not likely to be employed are AP axial rectosigmoid, right and left lateral decubitus abdomen, RAO and LAO abdomen.
Step-by-step explanation:
The positions likely to be employed for both single- and double-contrast examinations of the large bowel are:
- lateral rectum
The positions that are not likely to be employed are:
- AP axial rectosigmoid
- right and left lateral decubitus abdomen
- RAO and LAO abdomen