This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Pralidoxime is ineffective in case of which poisoning 
Select and explain. 
A. Organophosphorous, B. Carbaryl, C. Both, D. None
B: Carbaryl
Answer: B: Carbaryl 
Explanation: Refer kDT 6/e p 105 Carbaryl is a chemical in the carbamate family used chiefly as an insecticide.