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exercise_nervous_II_topic_4 - Type Found excitatory...

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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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Unformatted text preview: Type Found excitatory: inhibitory: 8. Indicate where the following three adrenergic receptors are found: α 1 β 1 β 2 9. Autonomic nerves innervate what three things? 10. The most common excitatory neurotransmitter in the CNS is ________________. 11. Two major inhibitory neurotransmitters in the CNS are: a. b. 12. Name a drug that alters synaptic transmission in the following ways: a. blocks the action of the neurotransmitter at the postsynaptic membrane __________________. b. blocks the reuptake of the neurotransmitter at the presynaptic membrane ________________. c. blocks the release of the neurotransmitter ___________________ and ___________________....
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