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: Physiology
[{'content': 'Glucocorticoids have all the following actions except: \nSelect and explain. \nA. Increase in blood glucose level, B. Increase in protein catabolism, C. Anti-insulin action in peripheral tissues, D. Decrease in glucose uptake by the heart', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]