The motor neuron and all the muscle fibers it innervates are called a motor
A) junction.
B) unit.
C) end plate.
D) nerve.

Question

Quizplus · Accepted Answer

The motor neuron and all the muscle fibers it innervates are called a motor unit. A motor junction is not a term used in physiology. An end plate is a specialized area of muscle fiber membrane where the motor neuron releases neurotransmitters to signal muscle contraction. A nerve is a collection of neurons bundled together in a sheath of connective tissue.

The Motor Neuron and All the Muscle Fibers It Innervates