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.

Answer and Explanation

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

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Correct Answer is B

Explanation

Basal-bolus insulin therapy involves administering a continuous basal insulin infusion to provide background insulin coverage and delivering bolus doses of insulin before meals to cover postprandial glucose elevations.

Incorrect choices:

a. This choice is incorrect. Oral antidiabetic medications are not used in basal-bolus insulin therapy.

c. This choice is incorrect. Sliding-scale insulin therapy involves adjusting insulin doses based on current blood glucose levels, rather than providing consistent basal and mealtime coverage.

d. This choice is incorrect. Insulin glargine therapy provides long-acting basal insulin coverage but does not involve bolus doses before meals.

A. It is characterized by an absolute deficiency of insulin secretion. B. It primarily affects children and young adults. C. Insulin resistance and impaired insulin secretion are key factors in its development. D. It is caused by an autoimmune destruction of pancreatic beta cells.

Correct Answer is C

Explanation

Type 2 diabetes mellitus is characterized by insulin resistance, in which cells do not respond effectively to insulin, and impaired insulin secretion by pancreatic beta cells.

Incorrect choices:

a. This choice is incorrect. Type 2 diabetes mellitus is not characterized by an absolute deficiency of insulin secretion as seen in type 1 diabetes.

b. This choice is incorrect. Type 2 diabetes mellitus primarily affects adults, especially those who are older and have risk factors such as obesity and sedentary lifestyle.

d. This choice is incorrect. Type 2 diabetes mellitus is not caused by autoimmune destruction of pancreatic beta cells as seen in type 1 diabetes.

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Which diagnostic criterion is indicative of diabetes mellitus on a random blood glucose test?

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Naxlex Comprehensive Predictor Exams

Which treatment approach involves delivering a continuous subcutaneous insulin infusion using an insulin pump and providing bolus doses before meals to mimic physiologic insulin secretion?

Correct Answer is B

Explanation

Which statement about type 2 diabetes mellitus is accurate?

Correct Answer is C

Explanation

Which diagnostic test is used to assess glucose tolerance and diagnose gestational diabetes mellitus during pregnancy?

Which complication of diabetes mellitus is characterized by kidney damage due to prolonged high blood glucose levels, leading to impaired kidney function and potential kidney failure?

Which type of diabetes mellitus is characterized by an autoimmune destruction of pancreatic beta cells, leading to an absolute deficiency of insulin production?

Which of the following is a potential consequence of prolonged hyperglycemia in diabetes mellitus?

Which clinical manifestation of diabetes mellitus is commonly associated with weight loss despite increased appetite?

Which medication enhances insulin secretion from pancreatic beta cells and is commonly used to manage type 2 diabetes mellitus?

Which treatment modality involves monitoring blood glucose levels and adjusting insulin doses based on carbohydrate intake, activity level, and current blood glucose levels to achieve tight glycemic control?

Which hormone, produced by the pancreas, plays a key role in regulating blood glucose levels by facilitating glucose uptake into cells and promoting its storage as glycogen in the liver and muscles?