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BioChem Exam 4 Chapter 26
Exam 4 chapters 23-28, 30&31
Terms in this set (11)
An LD flip, in assessing a possible myocardial infarction, refers to:
LD1 > LD2
Which cardiac marker is elevated for the longest period after myocardial infarction (MI)?
Which of the following cardiac markers is the first to increase after an acute myocardial infarction?
Which isoenzyme of creatine kinase (CK) is primarily found in cardiac muscle?
Myocardial infarction can produce a CK isoenzyme that is similar to:
Which Mi marker is the most specific and sensitive and remains elevated for 14 days or more?
in a non myocardial, as opposed to a myocardial, cause of an increase serum or plasma CK-MB, which would be expected?
An increase in CK-MB that is persistent
Isoforms of CK are:
Formed in the circulation by hydrolysis of lysine from CK-MM and CK-MB
Which of the following statements regarding the clinical use of CK-MB (CK-2) is true?
Mass units assays are more sensitive than electrophoretic methods.
A hemolyzed specimen is received in the lab for enzyme analysis. The assay for which of the following enzyme values would be affects by hemolysis?
During a state of low blood volume and decreased extracellular sodium level (as in cardiac failure), which one of the following occurs?
renin is produced by the kidneys and is converts to angiotensin, which induces the secretion of aldosterone by the adrenal gland, which in turn increases reabsorption of sodium and retention of water
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