- a) The earliest vascular abnormality is the loss of retinal capillary intramural pericytes.
- b) Microaneurysm formation is the earliest clinical sign of diabetic retinopathy.
- c) Microaneurysm formation typically occurs on the arteriolar side of the retinal vasculature.
- d) Basement membrane thickening is histopathologically evident in diabetes.
Correct Answer: Microaneurysm formation typically occurs on the arteriolar side of the retinal vasculature.
Microaneurysm formation is typically on the venular side of the retinal vasculature.