Phlebotomy Technician Practice Exam (NCPT/CPT)

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What is the purpose of measuring LD levels?

To determine blood alcohol level
To see if one is at risk for Cardiac Disease
To assess kidney function
To measure blood sugar levels

The correct answer is: To see if one is at risk for Cardiac Disease

LD levels, or lipoprotein levels, are used to determine an individual's risk for cardiac disease. A high level of LDL cholesterol, also known as "bad" cholesterol, can lead to the buildup of plaque in the arteries, increasing the risk for heart disease. Option A is incorrect because measuring blood alcohol levels is done for a different purpose, specifically to determine if an individual is under the influence of alcohol. Option C is incorrect because assessing kidney function involves measuring creatinine and BUN levels, not LDL levels. Option D is incorrect because blood sugar levels are measured to diagnose and monitor diabetes, not to determine risk for cardiac disease.