This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'One of the following is not a 5HT receptors on antagonist \nSelect and explain. \nA. Ketanserine, B. Lanreotide, C. Methylsergide, D. Tropisetron', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lanreotide is a medication used in the management of acromegaly and symptoms caused by neuroendocrine tumors, most notably carcinoid syndrome. It is a long-acting analogue of somatostatin, like octreotide Refer kDT 6/e p166', 'role': 'assistant'}]