Neurotransmitters

Question 1

What are the two types of neurotransmitters?

Answer 1

Excitatory

Inhibitory

Question 2

What do excitatory neurotransmitters do?

Give an example of an excitatory neurotransmitter

Answer 2

Result in the depolarisation of of the postsynaptic neurone

If the threshold value is reached in the postsynaptic membrane, an action potential is triggered

Acetylcholine

Question 3

What do inhibitory neurotransmitters do?

Give an example of an inhibitory neurotransmitter

Answer 3

Result in the hyper polarisation of the postsynaptic membrane

This prevents an action potential being triggered

GABA