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What is the normal fasting adult blood glucose range for a non-diabetic? What should normal blood glucose levels be one to two hours after a meal?

A) Fasting: 120-150 mg/dL; Post-meal: 70-99 mg/dL
B) Fasting: 70-99 mg/dL; Post-meal: 120-150 mg/dL
C) Fasting: 70-99 mg/dL; Post-meal: 70-99 mg/dL
D) Fasting: 120-150 mg/dL; Post-meal: 120-150 mg/dL

User Rocky Li
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Final answer:

The correct fasting adult blood glucose range for a non-diabetic is 70-99 mg/dL, and post-prandial levels should be under 140 mg/dL. The closest answer from the options is B, although the given post-meal range is higher than typical standards. Blood glucose is tightly regulated to prevent diabetes.

Step-by-step explanation:

The normal fasting adult blood glucose range for a non-diabetic is typically considered to be between 70 and 99 milligrams per deciliter (mg/dL). Post-prandial blood glucose levels, meaning the levels one to two hours after a meal, should normally be less than 140 mg/dL. From the options provided, the correct answer would be B) Fasting: 70-99 mg/dL; Post-meal: 120-150 mg/dL since it most closely aligns with the established medical guidelines and the facts presented. However, it's worth noting that the upper limit of normal post-meal glucose is slightly higher than usual in this option. Typically, we'd expect normal post-meal values to not exceed 140 mg/dL.

Keeping these blood glucose levels under control is crucial, as persistent elevated levels can lead to diabetes mellitus, associated with various complications. A glucose tolerance test (GTT) can help diagnose diabetes by determining how well your body handles glucose after ingestion. During this test, fasting blood glucose levels should be below 100 mg/dL to be considered normal. Blood glucose concentration is maintained within a range of 70 to 110 mg/dL by two negative feedback loops involving insulin and glucagon.

User Yashica
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