Which diagnostic criterion is indicative of diabetes mellitus on a random blood glucose test?
Random blood glucose level of 90 mg/dL.
Random blood glucose level of 140 mg/dL or higher.
Random blood glucose level of 110 mg/dL.
Random blood glucose level of 120 mg/dL.
The Correct Answer is B
A random blood glucose level of 140 mg/dL or higher, along with symptoms of hyperglycemia, is indicative of diabetes mellitus. Symptoms may include excessive thirst, frequent urination, and unexplained weight loss.
Incorrect choices:
a. This choice is incorrect. A random blood glucose level of 90 mg/dL is within the normal range.
c. This choice is incorrect. A random blood glucose level of 110 mg/dL is within the normal range.
d. This choice is incorrect. A random blood glucose level of 120 mg/dL is within the normal range
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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 D
Explanation
Chronic hyperglycemia in diabetes mellitus can lead to damage of small blood vessels and nerves, resulting in neuropathy characterized by numbness, tingling, and pain in the extremities.
Incorrect choices:
a. This choice is incorrect. Nausea, vomiting, and abdominal pain are not typically manifestations of neuropathy in diabetes mellitus.
b. This choice is incorrect. Blurred vision and vision loss are associated with diabetic retinopathy, a microvascular complication, not nerve damage.
c. This choice is incorrect. Impaired wound healing and increased susceptibility to infections are related to the effects of hyperglycemia on blood flow and immune function, rather than nerve damage.
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