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Unformatted text preview: The Nervous System II: Ion Channels 1. List four neurotransmitters that bind to ion channels, Ach, glutamate, GABA, and glycine 2. these neurotransmitters are called directly-acting neurotransmitters . 2. a. The binding of ACh opens ion channels in the dendrites or cell body that permits both _ _ _Na+____ and ___K+ ________ to move through them. b. Which ion would move into the cell? _ ___Na+__________ out of the cell? ___ ____K+_______ c. Which ion has the greatest electrochemical gradient? ____ Na+__________ d. The net movement of these two ions would do what to the cell? ___ it would make the inside of the cell more positive ______________ e. This would be called an inhibitory postsynaptic potential, postsynaptic potential, or synaptic potential 3. a. An inhibitory postsynaptic potential (IPSP) causes a neuron to 3....
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This note was uploaded on 11/13/2011 for the course BIO 1010 taught by Professor Rodp during the Spring '11 term at Volunteer State Community College.
- Spring '11