Action Potentials Move Along Axons ________

question 30

Multiple Choice

Action potentials move along axons ________.

• A) more slowly in axons of large than in small diameter
• B) by activating the sodium-potassium "pump" at each point along the axonal membrane
• C) more rapidly in myelinated than in unmyelinated axons
• D) by reversing the concentration gradients for sodium and potassium ions

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