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 LVF, the drug which can be administered is: 
Select and explain. 
A. Propanlol, B. Morphine, C. Amlodipine, D. Epinephrine
B: Morphine
Answer: B: Morphine 
Explanation: Morphine is given in left ventricular failure as it decreases peripheral pooling of blood, decreases preload, shifts blood from pulmonary to systemic circuit, relives pulmonary edema and congestion It depresses resp. center and decreases air hunger Ref: KD Tripathi 8th ed