A patient develops severe abdominal colic, anaemia and peripheral neuropathy after occupational exposure to lead. Which antidote is used as a chelating agent for significant lead poisoning?
Correct answer: B. Calcium disodium edetate
- A. Deferoxamine
- B. Calcium disodium edetate
- C. Pralidoxime
- D. Protamine sulfate
Explanation
Calcium disodium edetate binds lead and promotes its removal in significant lead poisoning. Deferoxamine is used mainly for iron toxicity, while pralidoxime and protamine treat different poisonings.
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About Emergency Drugs and Antidotes
Emergency pharmacology covers drugs used in cardiac arrest, shock, severe allergy, acute asthma, seizures, poisoning and hypoglycaemia, including adrenaline, atropine, naloxone, flumazenil and selected antidotes. The focus is on indications, routes, rapid adverse effects, dose safety and matching a toxic substance with its specific reversal agent.
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