<prompt> Gastro-colic reflex is related to:Mass peristalsisSegmentation contractionsPendular movementirritable bowel  <response>: Distension of the stomach by food initiates contractions of the rectum and, frequently, a desire to defecate. This response is called the gastrocolic reflex - related to mass movement a modified form of peristalsis in large gut This reflex is seen normally, paicularly in children, and not necessarily related to an irritable bowel. 