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
Onion skin thickening of aeriolar wall is seen in - 
Select and explain. 
A. Atherosclerosis, B. Median calcific sclerosis, C. Hyaline aeriosclerosis, D. Hyperplastic aeriosclerosis
D: Hyperplastic aeriosclerosis
Answer: D: Hyperplastic aeriosclerosis 
Explanation: Ans. is 'd' i.e., Hyperplastic aeriosclerosis