Alpha motor neurons form connections with muscle fibers at the
A) muscle spindle.
B) antagonistic joint.
C) motor unit.
D) neuromuscular junction.

Question

Quizplus · Accepted Answer

Alpha motor neurons form connections with individual muscle fibers at the neuromuscular junction (NMJ), which is the point where the motor neuron and muscle fiber meet. The NMJ is where acetylcholine (ACh) is released from the motor neuron and binds to ACh receptors on the muscle fiber, causing muscle contraction.

Alpha Motor Neurons Form Connections with Muscle Fibers at the