Foodborne Illness第 13 / 240 题
A customer eats seared tuna and within minutes develops flushing, a peppery taste, headache, and a rash. The tuna had been temperature-abused. This reaction is caused by:
a.A parasite in the fish muscle
b.Scombroid poisoning from histamine that forms when certain fish are time-temperature abused
c.A live bacterial infection that cooking would have prevented
d.A pesticide residue on the fish
解析
Scombroid (histamine) poisoning occurs when fish such as tuna, mahi-mahi, and mackerel are time-temperature abused, letting bacteria convert the fish's natural histidine into histamine, a toxin that cooking cannot destroy. Symptoms appear within minutes: flushing, rash, headache, and a peppery taste. Prevention is strict cold-chain control from receiving onward, because once the toxin forms it cannot be removed.
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