exercise_nervous_II_topic_4

exercise_nervous_II_topic_4 - The Nervous System II...

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The Nervous System II: Synaptic Transmission 1. What channels in the presynaptic neuron open up in response to an action  potential? ________________________ 2. The presence of what ion inside the cell causes the synaptic vesicles to  fuse with the membrane? ________ 3. a. What is the name for the chemicals stored in the synaptic vesicles?  ____________ b. What do these chemicals diffuse across? _________________________ c. Where do these chemicals bind to receptors? ______________________ 4. What type of gated channels do these chemicals open? ________________ 5. Name two ways these chemicals can be removed from the synaptic cleft. a.  b.  6. The response on the postsynaptic cell depends on two factors: a.  b.  7. Name the two types of cholinergic receptors and indicate where these are found.
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