A 28-year-old man presents 2 hours after ingesting an unknown quantity of paracetamol tablets in a suicide attempt. He has no symptoms. His weight is 80 kg. According to Australian toxicology guidance, which is the most appropriate next step?ADischarge as he is asymptomaticBStart N-acetylcysteine immediately without measuring paracetamol levelCMeasure serum paracetamol concentration at 4 hours post-ingestion and use the nomogram to decide on N-acetylcysteineDWait 24 hours then check liver function testsEGive activated charcoal only and no further treatmentCheck my answer