In infants, defecation often follows a meal . The cause of colonic contractions in the situation is :

A The gastrocolic reflex
B The enterogastric reflex .
C Histamine
D Increased circulating level of CCk

Correct Answer: The enterogastric reflex .

The enterogastric reflex is one of the three extrinsic reflexes of the gastrointestinal tract.The enterogastric reflex is stimulated by the presence of acid levels in the duodenum at a pH of 3–4 or in the stomach at a pH of 1.5
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