Medical Laboratory Scientist (MLS) ASCP Practice Exam

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Question: 1 / 400

What is the threshold glucose level for an abnormal oral glucose tolerance test (OGTT)?

Less than 140 mg/dL

Between 140 and 200 mg/dL

Greater than 200 mg/dL

The threshold glucose level for an abnormal oral glucose tolerance test (OGTT) is considered to be greater than 200 mg/dL. In the context of the OGTT, which is often used to diagnose diabetes mellitus and impaired glucose tolerance, the measurement is taken two hours after the patient ingests a glucose solution. A glucose level exceeding this threshold indicates that the individual's body is not effectively managing the glucose load, suggesting the presence of glucose intolerance or diabetes.

OGTT results are categorized based on specific benchmarks set by medical guidelines. A value less than 140 mg/dL typically indicates normal glucose metabolism, while a range between 140 and 200 mg/dL indicates impaired glucose tolerance. However, it is only when levels surpass 200 mg/dL that an abnormal result is classified as diagnostic for diabetes. Thus, understanding these specific cut-off points is crucial for proper diagnosis and management of diabetes.

Medical Laboratory Scientist (MLS) ASCP Practice Exam

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