A 2-year-old child presents to the Emergency Department following ingestion of an unknown quantity of paracetamol liquid approximately 4 hours ago. The child is currently asymptomatic. What is the most important immediate action?AAdminister activated charcoalBTake blood for paracetamol level and LFTs immediatelyCAdminister intravenous N-acetylcysteine (NAC) immediatelyDObserve for 4 hours and repeat paracetamol levelEContact the National Poisons Information Service (NPIS)Check my answer