A patient who abuses heroin seeks treatment at a methadone clinic. The patient's family member asks the nurse, "I don't understand the reason for the methadone treatment. Why replace heroin with methadone?" What is the best response by the nurse
1. "Methadone is safe even in large doses."
2. "Methadone replaces a more potent drug."
3. "Methadone is a deterrent to using other drugs."
4. "Methadone blocks the craving for and the action of opiates."
Answer: 4
Explanation: Methadone blocks the craving for and the action of opiates such as heroin. Methadone does not replace more potent drugs or act as a deterrent to other drug use. The doses of methadone are strictly regulated and administered by health professionals.
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