When the patient is suffering from an acute overdose of a narcotic, severe respiratory depression occurs. The drug given to reverse this symptom

A. Clonidine: Used to manage withdrawal symptoms (especially from opioids), but it does not reverse overdose or respiratory depression. B. Narcan: Narcan (naloxone) is an opioid antagonist used to rapidly reverse opioid overdose, especially life-threatening respiratory depression. C. Methadone: A long-acting opioid agonist used for maintenance therapy in opioid addiction-not for acute overdose reversal. D. Orlaam: Like methadone, it is used in maintenance treatment of opioid dependence but not for overdose reversal.