Which of the following statement(s) is/are true concerning the pathophysiology of small bowel obstruction?
A. Most of gas seen on plane abdominal radiographs is produced by gas forming microorganisms
B. Elevation of luminal pressure contributes to fluid accumulation in the small bowel in closed loop but not open loop small bowel obstructions
C. Intestinal blood flow initially increases to the bowel wall in early bowel obstruction
D. In the face of obstruction, myoelectrical activity of the bowel is consistently increased
Answer:B
Which of the following statement(s) is/are true concerning the pathophysiology of small bowel obstruction?
A. Most of gas seen on plane abdominal radiographs is produced by gas forming microorganisms B. Elevation of luminal pressure contributes to fluid accumulation in the small bowel in closed loop but not open loop small bowel obstructions C. Intestinal blood flow initially increases to the bowel wall in early bowel obstruction D. In the face of obstruction, myoelectrical activity of the bowel is consistently increased