This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Commonest histological nding in benign hypertension is 
Select and explain. 
A. Proliferating endarteritis, B. Necrotising arterioiitis, C. Hyaline arteriosclerosis, D. Cystic medial necrosis
C: Hyaline arteriosclerosis
Answer: C: Hyaline arteriosclerosis 
Explanation: Characteristic vascular pathology of benign hypertension is hyaline arteriosclerosis.
Vascular pathology in Hypertension Hypertension is associated with two forms of small blood vessels disease -
1. Hyaline arterioiosclerosis

There is homogenous, pink, hyaline thickening of arteriolar wall.
The lumen becomes narrow, o It is characterisc of benign hypertension,
It may also occur in diabetes and aging.

2. Hyperplastic arteriosclerosis

It is characteristic of malignant hypertension.
There is concentrenc, laminated thickening of arteriolar wall → onion skinning,
There is mucinous intimal thickening and fibrous intimal thickening.
There may be accompanied fibrinoid deposits with necrosis of the vessels w ral! → fibrinoid necrosis.