Correct Answer: B. N acetylcysteine (NAC) Why is this High Yield? Acetaminophen (Paracetamol) is widely used, making toxicity a common ER presentation. 1. Mechanism of Toxicity: Acetaminophen is metabolized in the liver. Too much paracetamol = dangerous because of how your liver processes it. *Normal dose:* About 90 95% gets broken down safely by glucuronidation + sulfation non toxic stuff you pee out. *The problem Paracetamol (Acetaminophen) Poisoning IntechOpen Interleukin 4 deficiency protects mice from acetaminophen induced liver injury and inflammation by prevention of glutathione depletion Inflammation Research Springer Nature Link Acetaminophen or Tylenol Toxicity Lect 19 Pharmacology Paracetamol toxicity Deranged Physiology