This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
On Congo red staining amyloid is seen as 
Select and explain. 
A. Dark brown colour, B. Blue colour, C. Brilliant pink colour, D. Khaki colour
C: Brilliant pink colour
Answer: C: Brilliant pink colour 
Explanation: Ref Robbins 9/e 257 Congo red under ordinary light impas a pink or red colour to amyloid deposits.under polarized light, the Congo red stained amyloid shows a green birefringence