Brian,a cocaine addict,decides to try amphetamine,which is supposed to produce the same effects as cocaine.He uses the same quantity of amphetamine as that of his usual cocaine dose.However,his response to amphetamine is poorer than that to cocaine.In this scenario,Brian is exhibiting ________.

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Quizplus · Accepted Answer

Cross-tolerance occurs when the tolerance developed to one drug results in reduced response to another drug with a similar action or chemical structure. In this scenario, Brian's tolerance to cocaine has resulted in reduced response to amphetamine, even though the drug is supposed to produce the same effects as cocaine.

Brian,a Cocaine Addict,decides to Try Amphetamine,which Is Supposed to Produce