Post-tetanic facilitation is thought to be the result of which of the following?
Correct Answer: A buildup of calcium in the presynaptic terminal
Description: Post-tetanic facilitation is the neuronal phenomenon in which a neuron is more easily excited after a brief period of activity. This phenomenon is thought to be due to the buildup of calcium in the presynaptic membrane caused by the prior neuronal activity. Subsequent neuronal impulses release neurotransmitter more readily as a result of this preplaced calcium from the prior stimulus.
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Physiology
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