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: Microbiology
[{'content': 'Erythromycin is given in intestinal hypomotility because \nSelect and explain. \nA. It increases bacterial count, B. It decreases bacterial count, C. It binds to adenylyl cyclase, D. It binds to motilin receptors', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Erythromycin stimulates motilin receptors in the g.i.Lthereby induces gastric contractions, hastens gastric emptying and promotes intestinal motility.', 'role': 'assistant'}]