Geriatric Physical Therapy (GCS) Practice Test 2025 - Free GCS Practice Questions and Study Guide

Question: 1 / 410

What is the fasting blood glucose (FBG) threshold for a diabetes diagnosis?

100 mg/dL

110 mg/dL

126 mg/dL

The fasting blood glucose (FBG) threshold for diagnosing diabetes is established at 126 mg/dL. This measurement indicates that an individual has elevated glucose levels after fasting for at least eight hours. When FBG reaches this level or higher, it reflects a significant impairment in glucose metabolism that is characteristic of diabetes mellitus. This threshold is critical for healthcare professionals in determining the presence of diabetes and implementing necessary interventions.

In clinical practice, identifying this threshold allows for early diagnosis and management of diabetes, which is essential for preventing complications associated with the disease. Keeping glucose levels below this threshold through lifestyle changes and medication can significantly affect patient outcomes and quality of life.

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140 mg/dL

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