Which blood glucose level range is considered indicative of prediabetes?
Fasting blood glucose level of 70 mg/dL.
Fasting blood glucose level of 100 mg/dL.
Random blood glucose level of 150 mg/dL.
Hemoglobin A1c level of 6.5%.
The Correct Answer is B
A fasting blood glucose level of 100 to 125 mg/dL is considered indicative of prediabetes, which is a condition where blood glucose levels are higher than normal but not high enough to be classified as diabetes.
Incorrect choices:
a. This choice is incorrect. A fasting blood glucose level of 70 mg/dL is within the normal range.
c. This choice is incorrect. A random blood glucose level of 150 mg/dL indicates hyperglycemia, but it is not indicative of prediabetes.
d. This choice is incorrect. An hemoglobin A1c level of 6.5% or higher is diagnostic of diabetes mellitus, not prediabetes.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
In type 2 diabetes, insulin resistance occurs, meaning that the body's cells do not respond effectively to the action of insulin. This leads to decreased glucose uptake by cells and elevated blood sugar levels.
Incorrect choices:
a. This choice is incorrect. Autoimmune destruction of pancreatic beta cells is characteristic of type 1 diabetes, not type 2.
b. This choice is incorrect. Increased sensitivity of cells to insulin would result in improved glucose uptake and reduced hyperglycemia.
d. This choice is incorrect. Excess insulin production by the pancreas is not a typical mechanism in type 2 diabetes.
Correct Answer is B
Explanation
Type 2 diabetes mellitus is characterized by insulin resistance, where cells do not effectively respond to insulin, and relative insulin deficiency due to impaired beta cell function.
Incorrect choices:
a. This choice is incorrect. Type 1 diabetes mellitus involves autoimmune destruction of beta cells and an absolute insulin deficiency.
c. This choice is incorrect. Gestational diabetes mellitus occurs during pregnancy and may involve a combination of insulin resistance and impaired insulin secretion.
d. This choice is incorrect. Secondary diabetes mellitus is caused by other medical conditions or factors, not primarily by insulin resistance and relative insulin deficiency.
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