A-Level Biology Edexcel B 9BI0

9.6: Effects of drugs on the nervous system

#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).
9.5
Nervous transmission
9.7
Detection of light by mammals