醫療類國考
105年
[獸醫師] 獸醫傳染病學
第 20 題
下列何種細菌於菌體外產生毒素造成食物中毒？
- A Clostridium tetani
- B Clostridium botulinum
- C Salmonella Typhimurium
- D Salmonella Choleraesuis
思路引導 VIP
請你思考：在醫學上，有些食物中毒是因為『吃進活菌並讓它在腸胃裡生長』，而有些則是『吃進細菌排泄在食物中的化學物質』。如果某種疾病即使食物經過加熱殺死細菌後，只要毒素沒被破壞仍會致病，這代表致病物質是在什麼時間點、什麼地方被製造出來的？
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AI 詳解
AI 專屬家教
Sarcastic Professor's Critique
"Well, look at you. You actually got it right. Perhaps your brain cells did decide to connect for a moment.
- Fundamental Distinction: the absolute basic point here, which evidently some still struggle with, is the chasm between toxin intoxication and a proper bacterial infection. 肉毒桿菌 ($Clostridium botulinum$) isn't some complex mystery; it's a textbook example of an "外毒素" producer. It doesn't infect you from your rancid canned goods; it merely leaves its 預先產生的毒素 for you to ingest. One would hope this isn't news.
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