This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Medicine
Preferred biochemical marker(s) in patients presenting with myocardial infarction: 
Select and explain. 
A. Myoglobin, B. Cardiac specific Troponins, C. CK-MB, D. All of the above
B: Cardiac specific Troponins
Answer: B: Cardiac specific Troponins 
Explanation: Cardiac specific Troponins (TROP I / TROP II ||) Myoglobin affects skeletal muscle also so we cannot see if it's the case of M.I TROP I: || Within 3 hrs CK-MB: || > 4 hrs