This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal tract, Subject name: Pharmacology
[{'content': 'Which of the following agents are useful in medical treatment variceal bleeding? \nSelect and explain. \nA. Octreotide, B. Pantoprazole, C. Somatotropin, D. Dexamethasone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Management if variceal bleeding: A.prevention of re bleeding Non selective beta blockers Variceal band ligation B.Management of acute bleed Stabilize with fluids and blood Octreotide Vasopressin Balloon tamponade: 1.sengstaken-blackmore 2.minnesota tube Varriceal ligation Variceal sclerotherapy.( ref Harrison principals of medicine 17/e p1977)', 'role': 'assistant'}]