What is the most appropriate reversal agent for a patient who presents confused and uncoordinated after taking oral diazepam (Valium) for dental anxiety?

Correct answer: A. Flumazenil (Romazicon)

• A. Correct. Flumazenil is a competitive benzodiazepine antagonist that reverses the sedative, amnestic, and respiratory depressant effects of benzodiazepines (including diazepam). It is the specific reversal agent for benzodiazepine overdose.
• B. Acetylcysteine reverses acetaminophen (Tylenol) hepatotoxicity — not benzodiazepine overdose.
• C. Naloxone (Narcan) is an opioid (mu receptor) antagonist — it reverses opioid toxicity (e.g., morphine, fentanyl), not benzodiazepine effects.
• D. Atropine is a muscarinic antagonist used for bradycardia and organophosphate poisoning — not benzodiazepine reversal.