A person after 6 hr. of consuming rice pudding in restaurant develops vomiting. True statements regarding food poisoning-
Correct Answer: Preformed toxin
Description: Ans. is 'b' i.e., Preformed toxin . Vomiting within 6 hours of ingestion of rice suggests the diagnosis of emetic type of food poisoning caused by B. cereus. . It caused by preformed heat stable enterotoxin. . In emetic form, B. cereus is not found in large numbers in fecal specimens. Therefore food sample is more useful.
Category:
Microbiology
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