By What Mechanism Does Intussusception Cause an Intestinal Obstruction

Multiple Choice

By what mechanism does intussusception cause an intestinal obstruction?

A) Telescoping of part of the intestine into another section of intestine, usually causing strangulation of the blood supply
B) Twisting the intestine on its mesenteric pedicle, causing occlusion of the blood supply
C) Loss of peristaltic motor activity in the intestine, causing an adynamic ileus
D) Forming fibrin and scar tissue that attach to the intestinal omentum, causing obstruction