This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vibrio, Subject name: Microbiology
[{'content': 'Safety pin appearance is seen in - \nSelect and explain. \nA. Vibrio vulnificus, B. Vibrio parahemolyticus, C. Pseudomonas aeuroginosa, D. H. influenzae', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Vibrio parahemolyticus Bipolar staining (safety pin appearance)o Some bacteria display a safety pin appearance due to the accumulation of dye at the poles of the cells,o This characteristic is called bipolar staining.o Bacteria showing bipolar staining are-1. Caiymmatobacter granulomatis (Donovani granuiomads)2. Pseudomonas mallei3. Pseudomonas pseudomallei4. Vibrio parahemolyticus5. Yersinia pestis6. H. ducreyi", 'role': 'assistant'}]