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': 'Which of the following is not an action of epinephrine when administered intravenously in a high dose? \nSelect and explain. \nA. Increases liver glycogenolysis, B. Causes broachiolar constriction, C. Evokes extrasystoles in the heart, D. Produces restlessness and anxiety', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]