The Process of Synaptic Transmission (OCR A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What arrives at the pre-synaptic terminal to start synaptic transmission?
What arrives at the pre-synaptic terminal to start synaptic transmission?
An action potential
Where are neurotransmitters released into?
Where are neurotransmitters released into?
The synaptic cleft
How do neurotransmitters cross the synaptic cleft?
How do neurotransmitters cross the synaptic cleft?
They diffuse across
Where are the receptors that neurotransmitters bind to located?
Where are the receptors that neurotransmitters bind to located?
On the post-synaptic membrane
What process removes neurotransmitters from the synaptic cleft?
What process removes neurotransmitters from the synaptic cleft?
Re-uptake
Why can neurotransmitters only travel in one direction?
Why can neurotransmitters only travel in one direction?
Vesicles & receptors on different sides
What do excitatory neurotransmitters cause to enter the post-synaptic neuron?
What do excitatory neurotransmitters cause to enter the post-synaptic neuron?
Positively charged particles
What effect do inhibitory neurotransmitters have on nerve impulses?
What effect do inhibitory neurotransmitters have on nerve impulses?
Make them less likely to occur
For a nerve impulse to occur, what must the net effect be?
For a nerve impulse to occur, what must the net effect be?
Excitatory
What does acetylcholine control?
What does acetylcholine control?
Muscles
What does adrenaline trigger in the body?
What does adrenaline trigger in the body?
Fight or flight response
Which neurotransmitter controls mood and is inhibitory?
Which neurotransmitter controls mood and is inhibitory?
Serotonin