This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Characteristic of bacilus cereus food poisoning is - \nSelect and explain. \nA. Presence of fever, B. Presence of Pain in abdomen, C. Absence of vomiting, D. Absence of Diarrhoea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Presence of pain in the abdomen Bacillus cereus is an impoant cause of food poisoning Bacillus cereus causes two types of food borne illness. i) Sho incubation period or emetic form of the disease. ii) Long incubation period or diarrhoeal form of the disease.', 'role': 'assistant'}]