A friend sent you this.

Choose one answer

1. AIts long half-life means a single dose lasts over 24 hours
2. BIt is an irreversible agonist at the GABA-A receptor
3. CIt is a competitive benzodiazepine receptor antagonist with a short half-life, risking re-sedation
4. DIt reverses opioid as well as benzodiazepine toxicity
5. EIt is contraindicated in all benzodiazepine overdoses without exception