This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pathology
[{'content': 'First enzyme to be raised in MI is \nSelect and explain. \nA. CPK-MB, B. LDH, C. Myoglobin, D. Troponin-I', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The laboratory evaluation of MI is based on measuring blood levels of macromolecules that leak out of injured myocardial cells through damaged cell membranes these molecules include myoglobin, cardiac troponins T and I (TnT, TnI), creatine kinase (CK) (specifically the myocardial isoform, CK-MB), and lactate dehydrogenase. Troponins and CK-MB have high specificity and sensitivity for myocardial damage. (Robbins Basic pathology,9th edition.pg no.382)', 'role': 'assistant'}]