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; |
CORRECT - Yes, the rapid influx of calcium triggers the release of catecholamines and other small neurotransmitters from the presynaptic membrane.
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