Which of the following best explains why those who take heroin while on methadone do not experience heroin's intense psychological effects? methadone is more potent than heroin. methadone blocks receptors for heroin. methadone has longer-lasting effects than heroin. methadone transfers dependency?
The correct answer is "Methadone blocks receptors for heroin." This is the reason why those who take heroin while on methadone do not experience heroin's intense psychological effects. Not only that, it reduces the urge to take heroin as well.