Which of the following statement(s) is/are true concerning postoperative ileus?
A.	The use of intravenous patient-controlled analgesia has no effect on return of small bowel motor activity
B.	The presence of peritonitis at the time of the original operation delays the return of normal bowel function
C.	The routine use of metoclopramide will hasten the return of small intestinal motor activity
D.	Contrast radiographic studies have no role in distinguishing early postoperative bowel obstruction from normal ileus
Answer:B
Which of the following statement(s) is/are true concerning postoperative ileus?
A.	The use of intravenous patient-controlled analgesia has no effect on return of small bowel motor activity B.	The presence of peritonitis at the time of the original operation delays the return of normal bowel function C.	The routine use of metoclopramide will hasten the return of small intestinal motor activity D.	Contrast radiographic studies have no role in distinguishing early postoperative bowel obstruction from normal ileus