Increasing Excitatory Signals Above the Threshold for Neural Activation Will

question 225

Multiple Choice

Increasing excitatory signals above the threshold for neural activation will not affect the intensity of an action potential.This indicates that a neuron's reaction is

• A) inhibited by the myelin sheath.
• B) delayed by a refractory period.
• C) an all-or-none response.
• D) dependent on neurotransmitter molecules.

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