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
The best drug for control of esophageal bleeding is? 
Select and explain. 
A. Vasopressin, B. Octreotide, C. GnRH, D. Propranolol
A: Vasopressin
Answer: A: Vasopressin 
Explanation: Ans. is 'a' i.e., Vasopressin Terlipressin (analogue of vesopressin) is considered the vasoactive agent of choice for acute variceal bleeding. Other drugs used are somatostatin and its analog octeride.