Toxicology+Wishful Science

What is the main killer involved in this poison

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Unformatted text preview: What is the main killer involved in this poison? a)Polonium b)Thallium c)Arsenic oxide d)Mercuric chloride e) Lead carbonate 7. British Anti-Lewisite (BAL) is a useful antidote for arsenic poisoning because: a) It has the same thiol (S-H) groups as enzymes in our body do. b) It has less affinity for arsenious acid than enzymes in our body do. c) It displaces water and attaches itself to enzymes in our body, thus blocking endogenous enzymatic action. d) It prevents arsenic from being converted to arsenious acid, thus preventing the poisonous effect. e) It changes the arsenious acid into an antacid. 8. Which of the following is true about cyanide poisoning: a) The lethal dose for potassium cyanide (KCN) is well above 60 mg. b) Dropping a vial of liquid hydrogen cyanide (HCN) on the floor likely won’t harm you, as long as none fell on your skin. c) It mainly exerts its lethal effect by blocking Cytochrome C, an essential enzyme in our body. d) Rasputin wasn’t affected by cyanide because his body had likely gained immunity to it. e) Cyanide smells like pine ext...
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