In oral poisoning with carbamate insecticides, .............................. may be hazardous:: (A) Pralidoxime, (B) Atropine, (C) Magnesium sulfate purgative, (D) Gastric lavage with activated charcoal
Answer is A. Oximes are ineffective in carbamate poisoning. Rather, these can worsen the poisoning due to weak anticholinesterase activity of its own.