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

Polyuria, polydipsia, and polyphagia.

Nausea, vomiting, and abdominal pain.

Impaired wound healing and increased susceptibility to infections.

Blurred vision and vision loss.

Answer and Explanation

The Correct Answer is D

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.

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Correct Answer is D

Explanation

Diabetic cataracts result from the accumulation of glucose within the lens of the eye, leading to changes in vision and the development of cataracts. This can cause blurred vision and visual disturbances.

Incorrect choices:

a. This choice is incorrect. Diabetic retinopathy is a complication that affects the blood vessels of the retina and can lead to vision loss.

b. This choice is incorrect. Diabetic neuropathy refers to nerve damage due to diabetes and can cause symptoms such as tingling, pain, and loss of sensation in the extremities.

c. This choice is incorrect. Diabetic ketoacidosis (DKA) is an acute complication characterized by high blood glucose levels, ketosis, and metabolic acidosis.

A. Fasting blood glucose test. B. Oral glucose tolerance test (OGTT). C. Hemoglobin A1c (HbA1c) test. D. C-peptide test.

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

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is D

Explanation

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

Correct Answer is C

Explanation

Which organ plays a central role in regulating blood glucose levels by secreting insulin and glucagon?

Which medication works by inhibiting the sodium-glucose cotransporter 2 (SGLT2) in the kidneys, leading to increased glucose excretion in the urine, and is used in the treatment of type 2 diabetes mellitus?

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 classification of diabetes mellitus is primarily characterized by insulin resistance and relative insulin deficiency?

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

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

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?

Which medication works by increasing insulin sensitivity in peripheral tissues, facilitating glucose uptake by cells, and is commonly used in the treatment of type 2 diabetes mellitus?