Action potentials are initiated at the motor end-plate region of skeletal muscle fibres.

Question

Quizplus · Accepted Answer

Action potentials in skeletal muscle fibers are initiated at the neuromuscular junction but propagate from there across the muscle fiber membrane, not specifically at the motor end-plate region. The motor end-plate is where the motor neuron releases acetylcholine to stimulate muscle contraction, not where action potentials in the muscle fibers are initiated.

Action Potentials Are Initiated at the Motor End-Plate Region of Skeletal