Neurotransmission and Motor Neuron Function

Depolarization of the motor end plate

Hydrolysis of Ach by the cholinesterase enzyme

Migration of synaptic vesicles towards the membrane and fusion with it (correct)

Opening of membrane channels to both Na and K ions

To depolarize the motor end plate

To bind to the receptor sites on the postsynaptic membrane

To facilitate the release of Ach from the synaptic vesicles

To rapidly hydrolyze Ach into choline and acetic acid (correct)

Generation of an action potential on the presynaptic membrane

Local hyperpolarization of the motor end plate

No change in the membrane potential of the motor end plate

Local depolarization of the motor end plate (correct)

<p>To allow the influx of Ca ions into the axon terminal</p> Signup and view all the answers

<p>Towards the membrane</p> Signup and view all the answers

<p>Contraction of the muscle fiber</p> Signup and view all the answers

<p>Specific receptors on the motor end plate</p> Signup and view all the answers