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': 'One of the following activities is not mediated through b2 adrenergic receptors - \nSelect and explain. \nA. Stimulation of lipolysis, B. Inreased hepatic gluconeogenesis, C. Increased muscle glycogenolysis, D. Smooth muscle relaxation', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. 'a' i.e., Stimulation of lipolysis o Lipolysis is mediated by beta 3 receptors whereas other actions are done by stimulation of beta 2 receptors.]", 'role': 'assistant'}]