Question: A client addicted to narcotics has a daily appointment to receive methadone hydrochloride. The nurse understands that methadone:
1. Allows symptom-free detoxification of narcotic addiction.
2. Converts narcotic use from an illicit to a legally controlled drug.
3. Provides postoperative pain control without causing narcotic dependence.
4. Counteracts the depressive effects of long-term opiate use on cardiac muscle.