Which of the Following Does NOT Drive the Contents of the Colon

Question

Which of the following does NOT drive the contents of the colon into the rectum?
A) peristalsis
B) mass peristalsis
C) segmentation
D) haustral churning

Accepted Answer

Segmentation in the colon is a process that primarily involves the mixing and breaking down of intestinal contents, rather than propelling them towards the rectum. This is in contrast to peristalsis and mass peristalsis, which are movements aimed at pushing contents forward. Haustral churning also contributes to the movement of contents towards the rectum by facilitating absorption and mixing, but it does not directly drive contents into the rectum like peristalsis does.