If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon, _________.
A) the impulse would move to the axon terminal only, and the muscle contraction would occur
B) the impulse would spread bidirectionally
C) muscle contraction would occur
D) the impulse would move to the axon terminal only

Question

Quizplus · Accepted Answer

When a motor neuron's axon is stimulated at a midpoint, the impulse spreads bidirectionally, both towards the axon terminal and back towards the cell body, due to the nature of action potential propagation.

If a Motor Neuron in the Body Were Stimulated by an Electrode