102 out of 107
All are true of ileocecal valve except
|A||It is normally closed and opens only when a peristaltic wave reacts it|
|B||It gets opened by gastroileal reflex|
|C||Sympathetic (+) increase its contraction|
|D||It is also a part of the gastrocolic reflex where in it relaxes.|
Ans. D It is also a part of the gastrocolic reflex where in it relaxes.
Gastrocolic reflex : Distension of the stomach by food initiates contraction of the rectum and frequently a desire to defecate.