Which of the following statements accurately describes the pathophysiology of type 1 diabetes mellitus?
In type 1 diabetes, the body's cells become resistant to the effects of insulin.
Type 1 diabetes is primarily caused by lifestyle factors such as obesity and sedentary behavior.
In type 1 diabetes, the pancreas produces insufficient amounts of insulin or no insulin at all.
Type 1 diabetes typically develops in adulthood and is often associated with insulin resistance.
The Correct Answer is C
Type 1 diabetes is characterized by the autoimmune destruction of pancreatic beta cells, leading to a lack of insulin production. This results in an absolute insulin deficiency and requires external insulin administration.
Incorrect choices:
a. This choice is incorrect. Insulin resistance is a characteristic of type 2 diabetes, not type 1.
b. This choice is incorrect. Type 1 diabetes is not primarily caused by lifestyle factors; it has an autoimmune etiology.
d. This choice is incorrect. Type 1 diabetes typically develops in childhood or adolescence, not adulthood, and is not associated with insulin resistance.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Type 1 diabetes is characterized by the autoimmune destruction of pancreatic beta cells, leading to a lack of insulin production. This results in an absolute insulin deficiency and requires external insulin administration.
Incorrect choices:
a. This choice is incorrect. Insulin resistance is a characteristic of type 2 diabetes, not type 1.
b. This choice is incorrect. Type 1 diabetes is not primarily caused by lifestyle factors; it has an autoimmune etiology.
d. This choice is incorrect. Type 1 diabetes typically develops in childhood or adolescence, not adulthood, and is not associated with insulin resistance.
Correct Answer is A
Explanation
Type 1 diabetes mellitus is an autoimmune condition in which the body's immune system attacks and destroys pancreatic beta cells, resulting in a lack of insulin production.
Incorrect choices:
b. This choice is incorrect. Type 2 diabetes mellitus is characterized by insulin resistance and impaired insulin secretion, but pancreatic beta cells are not completely destroyed.
c. This choice is incorrect. Gestational diabetes mellitus occurs during pregnancy and is not caused by autoimmune destruction of pancreatic beta cells.
d. This choice is incorrect. Prediabetes is a condition in which blood glucose levels are higher than normal but not high enough to be classified as diabetes. It is not characterized by autoimmune destruction of beta cells.
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