Regarding Psychoactive Drugs

question 65

Multiple Choice

Regarding psychoactive drugs,

• A) both the phenomenon of "tolerance" to and the symptoms of "withdrawal" from a psychoactive drug can be explained by the positive feedback effect of the drug on the production of the endogenous neurotransmitter/neuromodulator for which the drug is an agonist.
• B) Only drugs that bind to endorphin/enkephalin receptors are described as "psychoactive."
• C) use of psychoactive drugs may result in physical dependence upon them.
• D) both "the phenomenon of 'tolerance' to and the symptoms of 'withdrawal' from a psychoactive drug can be explained by the positive feedback effect of the drug on the production of the endogenous neurotransmitter/neuromodulator for which the drug is an agonist" and "only drugs that bind to endorphin/enkephalin receptors are described as 'psychoactive'" are correct.
• E) both "the phenomenon of 'tolerance' to and the symptoms of 'withdrawal' from a psychoactive drug can be explained by the positive feedback effect of the drug on the production of the endogenous neurotransmitter/neuromodulator for which the drug is an agonist" and "use of psychoactive drugs may result in physical dependence upon them" are correct.

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