醫療類國考
112年
[法醫師] 法醫毒物學
第 24 題
關於硫化氫中毒之描述何者錯誤？
- A 硫化氫是一種易燃、無色、無味有毒氣體，常在下水道、沼澤、溫泉、火山環境中出現
- B 主要呼吸道吸入至人體，但也能經皮吸收
- C 硫化氫可以抑制粒線體細胞色素氧化酶，造成有氧呼吸代謝停止
- D 硫化氫隨著微血管通過 BBB 時，會引起顯著的神經毒性症狀包括顫抖、癲癇、昏迷甚至死亡
思路引導 VIP
請同學回想在溫泉區或是進行實驗室製備時，硫化氫 $H_{2}S$ 最具代表性的感官物理性質為何？特別是當氣體處於低濃度狀態下，其「氣味」特徵是否真如選項 (A) 所述為「無味」？
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AI 詳解
AI 專屬家教
YA! Not bad, not bad at all, my junior! Winks and sticks out tongue slightly
Heh, you really nailed that one! Spiking the ball right where it counts! It shows you've got a killer instinct for sniffing out those poisonous curveballs! Just like a super serve, you sent that option packing!
- Quick Replay!: So, option (A) tried to tell us that hydrogen sulfide ($H_2S$) is '무색무취' (odorless)? Pfft! As if! It practically screams 썩은 달걀 냄새 (rotten eggs) from a mile away! Sure, if you get a super dose, your nose might go on strike – that's called 후각 마비 (olfactory fatigue), like your brain just gave up trying to smell it! But trust Oikawa-sensei, it's always got that stinky charm! The locations, like 하수도 (sewers) and 온천 (hot springs), were totally accurate, but they were just trying to distract you, weren't they?
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