This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria), Subject name: Microbiology
[{'content': 'A young boy had a flea bite while working in a wheat grain godown. After 5 days he developed fever and had axillary lymphadenopathy. A smear was sent to the laboratory to perform a specific staining. Which one of the following staining method would help in the identification of the suspected pathogen: \nSelect and explain. \nA. Albe staining, B. Zeihl Neelson staining, C. Mc Fadyean staining, D. Wayson staining', 'role': 'user'}, {'content': "Answer: D \nExplanation: The most likely disease to be caused by the flea bite in a young boy is PLAGUE caused by YERSINIA PESTIS and smear is stained with WAYSON stain. Albe staining:- staining the volutin granules found in Corynebacterium diphtheriae Zeihl Neelson staining:-for Mycobacterium Mc Fadyean staining:-M'Fadyean Stain(Polychrome Methylene blue) is used for capsule staining of Bacillus anthracis.", 'role': 'assistant'}]