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
[{'content': 'Dobutamine acts on all of the following receptors except \nSelect and explain. \nA. β1, B. β2, C. D1, D. α1', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dobutamine has no action on Dopamine receptors.', 'role': 'assistant'}]