Multiple choice

Which of the following statements does NOT characterise action potential?

  1. A compound action potential can be recorded.

  2. Smaller the nerve fibre faster the nerve conduction.

  3. Conduction in myelinated nerves is faster than the unmyelinated nerves.

  4. The depolarisation moves along each segment of an unmyelinated nerve fibre.

  5. The action potential is a local event.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nerve fibres vary in size from 0.5 to 20µm in diameter, the smallest unmyelinated fibre being the slowest conducting and the largest myelinated fibres the fastest conducting.

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