Brighton Hove and Sussex Sixth Form College



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Q1. 

Briefly outline how excitation and inhibition are involved in synaptic transmission.

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(Total 4 marks)


Q2. 

Which one of the following responses results from the action of the sympathetic division of the autonomic nervous system? Shade one box only.



 

 

A

Decreased pupil size

 

 

B

Increased digestion

 

 

C

Increased heart rate

 

 

D

Increased salivation

 


(Total 1 mark)


Q3. 

Label the two areas of the synapse in the diagram below by putting the appropriate letter in each box.



 

 

A

Axon

 

B

Dendrites

 

C

Neurotransmitters

 

D

Receptor sites

 

E

Vesicle


The synapse

 
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