Final answer:
Flumazenil (Romazicon) is the specific antidote administered for a benzodiazepine overdose, which can rapidly reverse the sedative effects of benzodiazepines.
Step-by-step explanation:
The correct antidote for a benzodiazepine overdose is flumazenil (Romazicon). While naloxone (Narcan) is an antagonist used to treat opioid overdoses, it is not effective for benzodiazepine overdoses. Benzodiazepines are central nervous system depressants that may cause excessive sedation, respiratory depression, and even coma in the case of an overdose. Flumazenil is a competitive antagonist at the gamma-aminobutyric acid (GABA) receptor where benzodiazepines exert their effects, and it can reverse the sedative effects rapidly.