Membrane Potential

1. The resting membrane potential of a neuron is_________.   The membrane potential changes when_________. A change in membrane potential to a more positive valueis called __________ and a change to a more negative value iscalled _______.
2. Ions flow through _________ which are controlled by voltage and________ which are controlled by _________.
3. Neurons communicate with other neurons and targets bygenerating _________. Ghe neuron generates an action potential onlyif it reaches a threshold voltage of _________. The phases of anaction potentials are _________ which is caused by entry of sodiumions, _________ which is caused by _________, and hyperpolarizationwhich is caused by ________.
4. Once generated, action potentials propagate towards the__________. Along the way, the size of the action potential(decreases/stays the same).
5. Neurons also generate __________ which are short-lived. Thesesignals are necessary for bringing the neuron to its___________

Events at the Synapse

1. The arrival of action potential at axon terminal triggers_________ which triggers the release of _______ which binds to__________ on the postsynaptic neuron. Ions will enter thepostsynaptic neuron to generate local potentails called ________.These local potentials will __________ to generate another_________.

Neurotransmitters

1. The most common excitatory neurotransmitter in the brain is__________; and the most excitatory neurotransmitter in the spinalcord is ________. GABA generates ___________ in the _______ andglycine generates _________ in the _______. Other commonneurotransmitters are _________ which is involved in mooddisorders; _______ which is released by the parasympathetic nervoussystem; ________ which is released by the sympathetic nervoussystem.