A 14-year-old boy complains of a 3-week history of weight loss, excessive thirst, and urination. Type 1 diabetes mellitus is suspected. Laboratory testing of blood samples will most likely show:
A) Increased erythrocyte sedimentation rate
B) Increased serum creatinine level
C) Presence of anti-pancreatic amyloid antibodies
D) Presence of anti-pancreatic islet cell antibodies
E) Presence of anti-streptolysin O antibodies

Question

Quizplus · Accepted Answer

The presence of anti-pancreatic islet cell antibodies is indicative of an autoimmune attack on the pancreatic beta cells, which is a hallmark of Type 1 diabetes mellitus.

A 14-Year-Old Boy Complains of a 3-Week History of Weight