What Is the Functional Advantage of Having Few Shorter Internodes

question 31

Multiple Choice

What is the functional advantage of having few shorter internodes before an unmyelinated nerve terminal?

• A) It ensures that action potentials do not invade nerve terminals.
• B) It increases the number of branch points and therefore promotes conduction block.
• C) It serves to boost local depolarization of nerve terminals and promote neurotransmitter release.
• D) It prevents neurons from reaching the threshold for action potentials, preventing hyperactivity.
• E) It simplifies the geometry of the nerve ending.

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