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Chapter 33 The Nervous System.pdf

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<strong>Chapter</strong> <strong>33</strong><strong>Nervous</strong> <strong>System</strong><strong>33</strong>.4 Effects of Drugs• Some drugs affect the nervous system in thefollowing ways:• can cause an increase in the amount of aneurotransmitter that is released into a synapse• can block a receptor site on a dendrite,preventing a neurotransmitter from binding• can prevent a neurotransmitter from leavinga synapse• can imitate a neurotransmitter

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