What neurophysiological event triggers the release of any of the catecholamine neurotransmitters?
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the rapid influx of calcium ions along the presynaptic membrane; |
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the slow influx of calcium ions along the presynaptic membrane; |
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the rapid efflux of potassium ions along the presynaptic membrane; |
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the rapid influx of calcium ions along the postsynaptic membrane; |
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none of the alternatives is correct; |
INCORRECT - Changes along the postsynaptic membrane have no direct effect on neurotransmitter release.
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