The nurse is checking the laboratory results on a client suspected of having a myocardial infarction (MI). Which laboratory test would provide the most specific information for this diagnosis?
1. Low density lipids (LDLs)
2. AST and ALT
3. C-reactive protein
4. CK-MB
Answer: 4
1. LDLs identify a risk factor for coronary artery disease (CAD).
2. AST and ALT are more specific to the liver.
3. C-reactive protein indicates inflammation and is another screening test for CAD risk.4. 4. The CK-MB isoenzyme is a more sensitive indicator of AMI.
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