This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli), Subject name: Microbiology
Corynebacterium diphtheriae is arranged in- 
Select and explain. 
A. Bamboo stick pattern, B. Cuneiform pattern, C. Fish in stream pattern, D. Rail road track pattern
B: Cuneiform pattern
Answer: B: Cuneiform pattern 
Explanation: B. anthracis C. diphtheriae Gram positive bacilli. (Bamboo stick appearance). Albe's staining -arranged in Chinese letter or Cuneiform (V-L shaped) pattern, bacilli are green in color, along with bluish-black granules. Vibrio cholerae Hemophilus ducreyi Fish in stream pattern or mucus flakes of stool. Rail road track pattern