This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Which one of the following stains is specific for Amyloid?- \nSelect and explain. \nA. Periodic Acid schif (PAS), B. Alzerian red, C. Congo red, D. Von - Kossa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: harshmohan textbook of pathology 7th edition. *all types of amyloid have affinity for Congo red stain and amyloid stains pink red in color. If the stained section is viewed in polarised light the amyloid shows apple green birefringence due to cross beta pleated sheet configuration of amyloid fibre', 'role': 'assistant'}]