Which diagnostic criterion is indicative of diabetes mellitus on a fasting blood glucose test?
Fasting blood glucose level of 110 mg/dL.
Fasting blood glucose level of 126 mg/dL or higher.
Fasting blood glucose level of 90 mg/dL.
Fasting blood glucose level of 100 mg/dL.
The Correct Answer is B
A fasting blood glucose level of 126 mg/dL or higher on two separate occasions is indicative of diabetes mellitus. A level of 110 mg/dL is within the normal range, and levels of 90 mg/dL and 100 mg/dL are also normal.
Incorrect choices:
a. This choice is incorrect. A fasting blood glucose level of 110 mg/dL is within the normal range.
c. This choice is incorrect. A fasting blood glucose level of 90 mg/dL is within the normal range.
d. This choice is incorrect. A fasting blood glucose level of 100 mg/dL is within the normal range.
Nursing Test Bank
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Related Questions
Correct Answer is D
Explanation
Long-standing hyperglycemia in diabetes mellitus can lead to impaired wound healing, as high blood sugar levels affect blood flow and immune function, increasing the risk of infections.
Incorrect choices:
a. This choice is incorrect. Polyuria, polydipsia, and polyphagia are the "three P's" associated with diabetes-related hyperglycemia.
b. This choice is incorrect. Nausea, vomiting, and abdominal pain are not typically related to long-standing hyperglycemia in diabetes.
c. This choice is incorrect. Blurred vision and vision loss are manifestations of diabetic retinopathy, a microvascular complication, rather than impaired wound healing.
Correct Answer is C
Explanation
The HbA1c test measures the average blood glucose level over the past 2-3 months and provides information about long-term glucose control. It is commonly used to monitor diabetes management and assess the effectiveness of treatment.
Incorrect choices:
a. This choice is incorrect. The fasting blood glucose test measures blood glucose levels after an overnight fast and provides information about current glucose levels, not long-term control.
b. This choice is incorrect. The OGTT measures the body's ability to clear glucose from the blood and is used to diagnose diabetes and impaired glucose tolerance, but it is not typically used for assessing long-term glucose control.
d. This choice is incorrect. The C-peptide test is used to assess insulin production by the pancreas and is not typically used to assess long-term glucose control.
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