This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'An individual experiences diarrhoea after eating raw shellfish. What is the most probable cause of the problem? \nSelect and explain. \nA. Campylobacter jejuni, B. Salmonella choleraesuis, C. Shigella dysenteriae, D. Vibrio parahaemolyticus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Vibrio parahaemolyticus is a halophilic bacterium that causes acute gastroenteritis following ingestion of contaminated seafood such as raw fish or shellfish. After 12-24 hours, the patient develops nausea and vomiting, abdominal cramps, fever, and watery to bloody diarrhoea. It is usually self-limited in 1-4 days, requiring only restoration of water and electrolytes. All other answer options could produce episodes of gastroenteritis, but the halophilic nature of V. parahaemolyticus and seafood is recognized as a classic combination.', 'role': 'assistant'}]