11. List the steps in chemical transmission that occur in the…

11. List the steps in chemical transmission that occur in the presynaptic neuron and in the synaptic cleft. . 12. Explain the three ways in which the neurotransmitter signal is terminated. 13. List the events that happen in the post-synaptic cell. Fig. 8.23 Specifically explain how binding of NTs affect ion channels. 14. Would the opening of a Na+ channel lead to an EPSP or an IPSP? Explain. Would the opening of a K+ channel lead to an EPSP or IPSP? Explain Would the opening of a Cl- channel lead to an EPSP or an IPSP? Explain. 15. Briefly explain the concepts of spatial and temporal summation 16. Doo all inputs (graded potentials) lead to outputs (APs)? If not, what happens to those inputs? 17. What is meant by agonist and antagonist with respect to neurotransmitters? 18. List 4 or more neurotransmitters by name. 19. If stimuli elicit APs and APs are always the same size, how does a more intense stimulus differ from a less intense one? 20. Explain how the ear translates sound into fluid movement in the cochlea? What membrane do inner ear hair cells sit on? What membrane lies atop of them?

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