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: Ophthalmology
The earliest change noticed in hypeensive retinopathy is: 
Select and explain. 
A. Soft exudate, B. Aeriolar spasm, C. Venospasm, D. Hard exudate
B: Aeriolar spasm
Answer: B: Aeriolar spasm 
Explanation: Ans. Aeriolar spasm