Which of the following is a characteristic of type 1 diabetes mellitus

Which of the following is a characteristic of type 1 diabetes mellitus

Which of the following is a characteristic of type 1 diabetes mellitus?

A. Insulin resistance

B. Onset in adulthood (≥40 years)

C. Absolute insulin deficiency

D. Strong association with obesity

E. Treatment with oral hypoglycemic agents

Answer: C

Explanation: Type 1 diabetes is an autoimmune disease characterized by the destruction of pancreatic β-cells, leading to absolute insulin deficiency. It typically onset in childhood/adolescence, is not associated with obesity, and requires lifelong insulin therapy.