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
Cardiac marker diagnostic on 10th day of MI- 
Select and explain. 
A. CPKMB, B. LDH, C. Troponin, D. Myoglobin
C: Troponin
Answer: C: Troponin 
Explanation: None