This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'The Most sensitive marker of cardiac injury is \nSelect and explain. \nA. LDH, B. Myoglobin, C. CPK-MB4, D. Troponin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) Troponin # Plasma biochemical markers: The biochemical markers that are most widely used in the detection of Ml are creatine kinase (CK), a most sensitive and cardiospecific isoform of this enzyme (CK-MB), and the cardiospecific proteins, troponins T and I.> The troponins are also released, to a minor degree, in unstable angina with minimal myocardial damage.', 'role': 'assistant'}]