BIOL273 Lecture Notes - Lecture 2: Resting Potential, Peripheral Nervous System, Autonomic Nervous System
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4 Feb 2018
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Describe or sketch a generalized structure of a model" neuron. Give examples of types of neurons grouped by a) structure and b) function. List the main chemical players that contribute to the electrical makeup of our bodies. Distinguish between the terms depolarization, hyperpolarization and repolarization. List three types of voltage-gated ion channels discussed so far in this course, along with where they are expressed, and what they do. Describe the role of na+, k+ and voltage-gated ion channels in a) the rising phase and b) the falling phase of an action potential. Distinguish between absolute and relative refractory periods, describing ion movements and channel / gate configuration during each. Describe or sketch the events at a synapse that result in neurotransmitter release. Compare the sites of synthesis of acetylcholine versus a neuropeptide. List four amino acid neurotransmitters in the cns. Indicate for both sympathetic and parasympathetic pathways what neurotransmitters would be released.
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