A motor unit consists of a:
A single motor neuron
B: Neuromuscular junctions
C: Muscle fibers
D: Several motor neurons
E: A single muscle fiber
A)a,b,e
B)a,b,c
C)b,c,d
D)a,e
E)c,d

Question

A motor unit consists of a: 
A single motor neuron
B: Neuromuscular junctions
C: Muscle fibers
D: Several motor neurons
E: A single muscle fiber
A)a,b,e
B)a,b,c
C)b,c,d
D)a,e
E)c,d

Quizplus · Accepted Answer

A motor unit consists of a single motor neuron and the muscle fibers it innervates. The neuromuscular junctions are the synapses between the motor neuron and the muscle fiber, but they are not part of the motor unit itself. And while multiple motor units can work together to control a muscle, each individual motor unit only has one motor neuron.

A Motor Unit Consists of A