A 5-year-old child is brought to the emergency department after ingesting an unknown quantity of Paracetamol tablets about 2 hours ago. She is currently well. What is the most appropriate next step in management?AReassure and discharge without investigationBMeasure serum Paracetamol level at 4 hours post-ingestion and assess using a nomogramCAdminister activated charcoal only and no blood testsDStart N-acetylcysteine immediately without any blood testsEWait 24 hours and then check liver function tests onlyCheck my answer