When feces are forced into the rectum by mass movements and the wall of the rectum becomes stretched, the ________ reflex is initiated.

Question

Quizplus · Accepted Answer

The defecation reflex is initiated by the stretching of the rectum wall, which triggers the relaxation of the internal anal sphincter and the contraction of the rectum and sigmoid colon, leading to the expulsion of feces. The other options are not related to the act of defecation.

When Feces Are Forced into the Rectum by Mass Movements