Multiple choice

Which of the following is/are spike?

  1. Nerves

  2. Axons

  3. Dendrites

  4. Nerve impulse
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A spike refers to the nerve impulse or action potential itself - the rapid, transient change in membrane potential that propagates along a neuron. While nerves, axons, and dendrites are anatomical structures, the spike is the electrical signal that travels through them.

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