Question:
Which one of the following is a biomarker for myocardial infarction?
Which one of the following is a biomarker for myocardial infarction?
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CK-MB is the "Heart-specific" Creatinine Kinase.
Updated On: May 19, 2026
- Creatinine Kinase (CK)
- Aspartate Transaminase (AST)
- Serum Bilirubin
- Albuminuria
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Myocardial infarction (heart attack) causes damage to cardiac muscle cells, releasing specific enzymes and proteins into the bloodstream.
Step 2: Meaning
A biomarker is a measurable indicator of a biological state or condition.
Step 3: Analysis
Serum bilirubin is for liver/gallbladder. Albuminuria indicates kidney disease. Creatinine Kinase (specifically the CK-MB isoenzyme) is a classic marker used to diagnose heart muscle damage.
Step 4: Conclusion
Therefore, Creatinine Kinase is a primary biomarker used in the detection of myocardial infarction.
Final Answer: (A)
Myocardial infarction (heart attack) causes damage to cardiac muscle cells, releasing specific enzymes and proteins into the bloodstream.
Step 2: Meaning
A biomarker is a measurable indicator of a biological state or condition.
Step 3: Analysis
Serum bilirubin is for liver/gallbladder. Albuminuria indicates kidney disease. Creatinine Kinase (specifically the CK-MB isoenzyme) is a classic marker used to diagnose heart muscle damage.
Step 4: Conclusion
Therefore, Creatinine Kinase is a primary biomarker used in the detection of myocardial infarction.
Final Answer: (A)
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