Explain Mechanisms of Neurotransmitter Release

As the axonal membrane depolarizes during the rising phase of an action potential, the amplitude of Na+ conductance changes from large to small the amplitude of Na+ conductance changes from small to large there is no Na+ conductance during this phase of the action potential the amplitude of Na+ conductance remains large and constant throughout

Describe the role of sodium ions and sodium channels in generating an action potential

Explain the role of ion channels and sodium-potassium pumps in the establishment of the resting potential and the generation of an action potential.

Draw a presynaptic and postsynaptic neuron at to demonstrate the release and acceptance of a neurotransmitter. Identify the following in your drawing: Ca2+, synaptic cleft, receptor, synaptic vessicle, SNARE, presynaptic neuron, postsynaptic neuron

Identify the role of potassium in the propagation of an action potential and predict how a severe deficit of potassium in the body could affect muscle function

detail the steps for release, reception and recycling of neurotransmitters at the synaptic cleft

What kinds of changes in ion conductance may be expected in an action potential? And how do ion channels permit these changes?

Explain the importance of neurotransmitter removal from the synaptic cleft and describe three removal mechanisms.

describe the events of neuron depolarization and repolarization