International A Level Biology / The nervous system and neurones
How drugs affect nerve transmission revision notes
Edexcel International A Level Biology (YBI11), chapter 23: The nervous system and neurones, specification point 8.7. Part of the full course.
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Drugs can change nerve transmission by acting at different points, from the axon membrane to synaptic receptors and transporter proteins. Trace where each drug acts and what it changes to explain whether transmission increases or decreases.