This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Drug of choice for cardiogenic shock is \nSelect and explain. \nA. Dopamine, B. Dobutamine, C. Droxidopa, D. Nor adrenaline', 'role': 'user'}, {'content': "Answer: B \nExplanation: Dobutamine and dopamine are inotropic agents used in CCF and cardiac shock but dobutamine is best as it doesn't interfere with alpha receptors producing Vaso contriction.", 'role': 'assistant'}]