| Term 
 
        | Where are ligand gated ion channels located in the body? |  | Definition 
 
        | Central and Peripheral Nervous System |  | 
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        | Term 
 
        | What is the structure of ligand-gated ion channels? |  | Definition 
 
        | 4 Transmembrane domains 4-5 subunits Mutliple binding sites |  | 
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        | Term 
 
        | Match Ligand with Channel                      1) Ach                     a) Na                    2) GABA                   b) Ca2+                            3) Glutamate            c)Cl-                    4) NMDA                                |  | Definition 
 
        | Ach-Na GABA-Cl NMDA-Ca Glutamate-Ca |  | 
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        | Term 
 
        | Depolarize/Repolarize/Hyperpolarize   1) Na enters the cell 2) Cl enters the cell   What happens as far as nerve conduction?   |  | Definition 
 
        | 1) Depolarizes- get nerve firing 2) Hyperpolarizes- harder to fire |  | 
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