Which laboratory test result would the nurse evaluate as indicating increased risk of coronary artery disease (CAD)?
1. Elevated homocysteine
2. Elevated creatinine
3. Elevated high-density lipoprotein (HDL)
4. Elevated INR
1
Rationale 1: Elevated levels of homocysteine (Hyc > 17 µmol/L) are associated with an increased risk of coronary artery disease (CAD).
Rationale 2: Elevated creatinine indicates kidney disease.
Rationale 3: HDL is the good cholesterol that, when elevated, reduces the risk for the development of CAD.
Rationale 4: INR is a laboratory test that measures blood clotting function, not CAD.
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