Which diagnostic test is used to assess the body's ability to clear glucose from the blood and is commonly used to diagnose diabetes mellitus?

Fasting blood glucose test.

Hemoglobin A1c (HbA1c) test.

C-peptide test.

Oral glucose tolerance test (OGTT).

Answer and Explanation

The Correct Answer is D

The OGTT measures the body's ability to clear glucose from the blood by drinking a glucose solution and measuring blood glucose levels at specific intervals. It is commonly used to diagnose diabetes mellitus.

Incorrect choices:

a. This choice is incorrect. The fasting blood glucose test measures blood glucose levels after an overnight fast and is not specifically used to assess glucose clearance.

b. This choice is incorrect. The HbA1c test measures average blood glucose levels over the past 2-3 months and is not specifically used to assess glucose clearance.

c. This choice is incorrect. The C-peptide test assesses insulin production by the pancreas and is not specifically used to assess glucose clearance.

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Free Nursing Study Resources

Correct Answer is D

Explanation

Diabetic retinopathy, a microvascular complication of diabetes mellitus, can lead to blurred or distorted vision due to damage to the blood vessels in the retina.

Incorrect choices:

a. This choice is incorrect. Polyuria, polydipsia, and polyphagia are the "three P's" associated with hyperglycemia in diabetes mellitus.

b. This choice is incorrect. Nausea, vomiting, and abdominal pain are not typically associated with blurred or distorted vision.

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 visual disturbances.

A. Excessive thirst and frequent urination. B. Bradycardia and low blood pressure. C. Weight gain and increased appetite. D. Hypoglycemic episodes with confusion.

Correct Answer is A

Explanation

Excessive thirst and frequent urination are classic symptoms of hyperglycemia in diabetes mellitus. These symptoms result from the body's attempt to eliminate excess glucose through urine.

Incorrect choices:

b. This choice is incorrect. Bradycardia and low blood pressure are not classic symptoms of hyperglycemia; they may be associated with other conditions.

c. This choice is incorrect. Weight gain and increased appetite are not typical symptoms of hyperglycemia; they may be observed in certain situations, but they are not characteristic of uncontrolled diabetes.

d. This choice is incorrect. Hypoglycemic episodes with confusion are symptoms of low blood sugar, not hyperglycemia.

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Which diagnostic test is used to assess the body's ability to clear glucose from the blood and is commonly used to diagnose diabetes mellitus?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which clinical manifestation of diabetes mellitus is characterized by blurred or distorted vision?

Correct Answer is D

Explanation

Which of the following is a classic symptom of hyperglycemia in diabetes mellitus?

Correct Answer is A

Explanation

Which diagnostic test is commonly used to assess long-term glucose control in individuals with diabetes mellitus?

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

Which dietary component is particularly important for individuals with diabetes mellitus to monitor and control due to its direct impact on blood glucose levels?

Which complication of diabetes mellitus is characterized by the accumulation of glucose within the lens of the eye, leading to changes in vision and the development of cataracts?

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?

Which chronic complication of diabetes mellitus is characterized by the thickening and narrowing of small blood vessels, leading to impaired blood flow to the lower extremities?

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

Which complication of diabetes mellitus is characterized by high blood glucose levels and the presence of ketones in the urine, leading to metabolic acidosis and potentially life-threatening complications?