The opiate-antagonist naltrexone is a treatment for substance abuse that works by
A) substituting a chemically similar drug for the addictive drug.
B) both counteracting the effects of opiates and producing withdrawal symptoms.
C) producing a cross-tolerance effect in a drug user.
D) producing only a temporary euphoric effect if opiates continue to be used.

Question

Quizplus · Accepted Answer

Naltrexone works by blocking the effects of opioids in the brain, which can help reduce cravings and prevent relapse. However, it can also cause withdrawal symptoms as it counteracts the effects of opioids already in the system. Therefore, choice B is the correct answer as it includes both of these effects.

The Opiate-Antagonist Naltrexone Is a Treatment for Substance Abuse That