VPT-0107
QUESTION
The antidote for HCN poisoning in cattle is?
OPTIONS
(A) Atropine sulphate
(B) Sodium thiosulphate
(C) PAM
(D) Normal saline
ANSWER
(B) Sodium thiosulphate
EXPLANATION
Sodium thiosulfate detoxifies cyanide by serving as a sulfur donor for conversion of cyanide to the much less toxic thiocyanate. Atropine treats cholinergic poisoning, PAM is used for organophosphates, and normal saline is only supportive fluid.
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Veterinary Pharmacology and Toxicology · 167 Questions
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