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: Pathology
[{'content': 'In MI, which enzyme is raised in 4 to 6 hrs and decreases in 3 to 6 days - \nSelect and explain. \nA. SGOT, B. LDH, C. CPK, D. SGOT', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., CPKCreatinine phosphokinase (CK) Previously It was the gold standard marker of acute Ml.o But now it has largely been replaced by troponin T and I (see above explanation).o But, CK remains the best alternative to troponin measurement.CK-MB isotype of this enzyme is specific for myocardium.It is raised within 2-4 hours after MI, peaks at 24 hours and returns to normal within approximately 72 hours.", 'role': 'assistant'}]