Which of the following are incorrect statements about motor units?
A) Some motor neurons stimulate only a few dozen muscle fibers.
B) Some motor neurons stimulate a few thousand muscle fibers.
C) The more muscle fibers stimulated by a motor neuron, the more precise the movements of that muscle can be.
D) All of the above statements are correct.

Question

Quizplus · Accepted Answer

The precision of muscle movements is inversely related to the number of muscle fibers stimulated by a motor neuron. Fewer muscle fibers per motor neuron allow for more precise movements, not more.

Which of the Following Are Incorrect Statements About Motor Units