In the upstream region, opioid drugs activate

In the upstream region, opioid drugs activate ____________________ [what opioid receptor type] in the presynaptic terminals of ____________________ [name the purple cell type]. Activation of these opioid receptors lead to _______________ [choose one: increased or reduced] release of _______________ neurotransmitter [name the neurotransmitter affected in the purple cell] The subsequent effect is _______________ [choose one: excitation, inhibition, or disinhibition] of the ____________________ [name the green cell type]. Finally, in the downstream region there is _______________ [choose one: enhanced or diminished] release of _______________ neurotransmitter [name the neurotransmitter affected in the green cell], which is the fundamental mechanism for positive reinforcement and addiction] Image transcription text Upstream Brain Region Downstream Region NT? Mesolimbic Neuron NT? Opioid Receptors SCIENCE HEALTH SCIENCE NURSING HK KH

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