Role of Neurotransmitters KKDP4

Question 1

Lock and Key Process:

Answer 1

Each type of NT has a chemically distinct shape

The NT binds to a complementary receptor, this ‘unlocks’ the post-synaptic neuron

Question 2

Excitatory:

Answer 2

Neurotransmitters more likely to fire

Question 3

Inhibitory:

Answer 3

Neurotransmitters are less likely to fire

Question 4

Inhibitory v Excitatory:

Answer 4

The inhibitory action of GABA counterbalances the excitatory effect of Glutamate and vice versa.

Question 5

Glutamate:

Answer 5

Excitatory
Enhances learning and memory
Plays a role in movement

Question 6

Dopamine:

Answer 6

Involved in pleasure and reward, voluntary muscles movement and emotional arousal.
Mainly excitatory, but can also be inhibitory.

Question 7

GABA:

Answer 7

Inhibitory

Plays a role in regulating anxiety

Question 8

Serotonin:

Answer 8

Helps maintain calm and stable mood, pain control, regular sleep cycles and digestion process