NCLEX RN Predictor Exam - Nurselytic

Correct Answer: C

Rationale: The erythrocyte sedimentation rate (ESR) is a non-specific screening test for inflammation in the body. It is not used as a definitive diagnostic tool for specific conditions. When ESR results are abnormal, they indicate the presence of inflammation, which can be caused by various reasons.
Therefore, abnormal results should be followed by additional testing to determine the underlying cause. The ESR test measures the rate at which red blood cells settle in a vertical tube over the span of one hour, and results are reported in millimeters per hour.
Choice A is incorrect because ESR results are not solely diagnostic for any specific condition.
Choice B is incorrect as abnormal ESR results do not directly indicate a potentially fatal illness without further investigation.
Choice D is incorrect as the results are reported in millimeters per hour, not per minute.

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