This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
In LVE ,the drug which can be administered is 
Select and explain. 
A. Propanonol, B. Morphine, C. Epinephrine, D. Amlodipine
B: Morphine
Answer: B: Morphine 
Explanation: Ref-KDT 6/e p461 Morphine is the drug which can be administered in LVE