A brief contraction of all muscle fibers in a motor unit in response to a single action potential moving down the somatic motor neuron is known as
A)unfused tetanus.
B)fused tetanus
C)wave summation.
D)refractory period.
E)twitch contraction.

Question

Quizplus · Accepted Answer

A brief contraction of all muscle fibers in a motor unit in response to a single action potential moving down the somatic motor neuron is known as a twitch contraction. The other options refer to different types of muscle contractions that occur with repeated stimulation.

A Brief Contraction of All Muscle Fibers in a Motor