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CCRN Critical Care Nursing

Category - Adult

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Which cardiac enzyme is only found in cardiac cells and is indicative of an acute myocardial infarction when elevated?

Troponin
CK-MB
CK
Myoglobin

Explanation

Answer: A - The cardiac enzyme that is found only in cardiac cells and is used as an indicator of myocardial infarction is Troponin. Troponin is a protein found only in myocardial cells. When it is elevated it is a positive indication some level of acute myocardial infarction.

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