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: Medicine
[{'content': 'Hibernating myocardium is \nSelect and explain. \nA. irreversible, B. Recovery is spontaneous, C. Seen in chronic severe coronary stenosis, D. Mismatch between flow and function', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hibernating myocardium refers to a state of chronic reversible myocardial contractile dysfunction,\xa0 that is almost completely restored after myocardial repercussion. Recovery\xa0 occurs after revascularization,\xa0 not spontaneous. Acute coronary occlusion results in stunned myocardium.\xa0 Whereas chronic occlusion\xa0 results in hibernating myocardium.', 'role': 'assistant'}]