This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: D.O.C, Subject name: Pharmacology
[{'content': 'Drug of choice for bleeding oesophageal varices is- \nSelect and explain. \nA. Ethanolamineoleate, B. Octreotide, C. Propanolol, D. Phytonadione', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Octreotide o Among the given options, only octeride is used (otherwise vasopressine analogue terlipressine is the DOC).", 'role': 'assistant'}]