Synaptic Transmission

Question 1

What does a presynaptic cell consist of?

Answer 1

Nerve impulse
Synaptic cleft
Synaptic vesicles
Neurotransmitter

Question 2

How is information passed down an axon?

Answer 2

as an electrical impulse known as action potential

Question 3

What is the synaptic gap?

Answer 3

a gap between the pre-synaptic neurone and post-synaptic neurone that the action potential must cross over

Question 4

What is in the axon terminal at the end of a neurone and what does it do?

Answer 4

synaptic vesicles, that release their contents of neurotransmitters

Question 5

When does a synaptic vesicle release its neurone transmitters?

Answer 5

when the electrical impulse reaches them

Question 6

What do neurotransmitters carry?

Answer 6

the signal across the synaptic gap

Question 7

What binds to receptor sites the post-synaptic cell to make them activated?

Answer 7

neurotransmitters

Question 8

What happens once the receptors have been activated?

Answer 8

they. either produce excitatory or inhibitory effects on the post-synaptic cell

Question 9

What are the two types of neurotransmitters?

Answer 9

excitatory

inhibitory

Question 10

What type of neurotransmitter causes the post synaptic to be more likely to fire?

Answer 10

if a neurotransmitter is excitatory

Question 11

What type of neurotransmitter causes the post synaptic to be less likely to fire?

Answer 11

if a neurotransmitter is inhibitory

Question 12

what sums the influence of the neurotransmitter?

Answer 12

if then net effect on the post synaptic neurone is inhibitory/excitatory the neurone will less/more likely fire