This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Myocardial Infarction, Subject name: Pathology
[{'content': 'Which of the following is not true about cardiac enzymes in myocardial infarction? \nSelect and explain. \nA. Last enzyme to increase is lactate dehydrogenase, B. One of the earliest enzymes is myoglobin, C. CK-MB is the best enzyme for diagnosis of reinfarction, D. Troponin is highly specific for diagnosis of infarction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: - In pts with MI, 1st enzyme to increase - MYOGLOBIN - Best enzyme / for diagnosis of M.I. - TROPONIN I - Most specific enzyme for diagnosis of RE-INFARCTION - Troponin (as its level will be increased fuher) - LDH In (N) person LDH2 >> LDH1 In patient with M.I. LDH1 >>>LDH2 called as FLIPPING OF LDH RATIO. LDH is last enzyme to increase in patient with M.I.', 'role': 'assistant'}]