食源性疾病第 31 / 320 题
A food handler at a seafood counter must understand that paralytic shellfish poisoning (PSP) toxins in mollusks like clams and mussels:
a.Are destroyed by cooking to 145°F
b.Only affect the person if eaten raw
c.Cause an immediate skin rash only
d.Are not destroyed by cooking or freezing, so shellfish must come from approved sources
解析
Shellfish toxins such as those causing paralytic shellfish poisoning are naturally occurring, heat-stable, and not destroyed by cooking or freezing, so the only control is buying shellfish from approved, reputable suppliers with proper tags. Cooking to 145°F will not neutralize the toxin, and PSP causes neurological symptoms, not just a rash.
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