This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Albe&;s stain is used for 
Select and explain. 
A. Staphylococcus, B. Corynebacterium diphtheriae, C. Clostridium Perfringes, D. Clostridium Tetani
B: Corynebacterium diphtheriae
Answer: B: Corynebacterium diphtheriae 
Explanation: Albe 's or Neisser's stain: smears of Corynebacterium diphtheriae when stained with Albe's stain will show the bacilli with metachromatic granules. Delicate green bacilli with purple-blue metachromatic granules can be seen. Bacilli take up stain due to metachromatic granules which are composed of polymetaphosphate and serve as storage granules. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; page no 242