contestada

The drug 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

Respuesta :

The correct answer is: B. counteracting the effects of opiates and producing withdrawal symptoms. Naltrexone is an opioid antagonist, which means it blocks the effects of opioids and can also precipitate withdrawal symptoms if taken soon after an opioid is used. This can help in the treatment of opioid addiction by reducing the reinforcing effects of opioids.

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