Question

When the motor neuron gets an influx of ______ ions, it releases a neurotransmitter. This causes ________ ions to enter the muscle cell.A. Ca2+, Na+B. Na+, Cl-C. Cl-, K+D. K+, Ca2+

Answer 1

As we know the type of synapsis that triggers muscle movement, is chemical synapsis so when calcium enters, a neurotransmitter is released that causes stimulus on the other cell, and sodium enters, therefore we can say that the correct answer is option A.