This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': "'Gastrocolic reflex' is related with? \nSelect and explain. \nA. GERD, B. Mass peristalsis, C. Duodenual reflex, D. Rectoanal refelx", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Mass peristalsis Gastrocolic reflex: Facilitates appearance of mass movements after a meal. Ex., For gastrocolic reflex - Seen in early infancy.', 'role': 'assistant'}]