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: Pharmacology
[{'content': 'Which of the following drugs acts on "motilin" receptors- \nSelect and explain. \nA. Erythromycin, B. Tetracycline, C. Norfloxacin, D. Chloramphenicol', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Erythromycin o Erythromycin stimulates motilin receptors in the GIT-thereby, induces gastric contractions, hastens gastric emptying and promotes intestinal motility.", 'role': 'assistant'}]