Correct option is D
OPC poisoning causes cholinergic crisis. Main treatment: atropine (antimuscarinic), pralidoxime (reactivates cholinesterase), airway support. Adrenaline has no role.
Explanation of options: (a) ✔ Atropine counters muscarinic effects (bronchorrhea, bradycardia). (b) ✔ Pralidoxime reactivates cholinesterase at NMJ. (c) ✔ Airway/ventilation support is lifesaving. (d) ✘ Adrenaline is not part of OPC management.