A Patient Has an Extensive Bowel Preparation of Oral Laxatives

A patient has an extensive bowel preparation of oral laxatives and enemas for a colon resection.What rationales should the nurse list when asked about the rigorous preparation? (Select all that apply.)

A) Reduces possibility of fecal contamination of the operative site.
B) Flattens the colon.
C) Decreases postoperative distention.
D) Avoids postoperative constipation.
E) Decreases straining at stool.