A-Level Biology Specification

Edexcel B 9BI0

Section 9.6: Effects of drugs on the nervous system

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#9.6i

Understand how the effects of drugs can be caused by their influence on synaptic transmission, including:

- nicotine (mimicking effects of acetylcholine)
- lidocaine (blocking voltage gated Na+ ion channels)
- cobra venom (blocking acetylcholine receptors).