Explain the process of synaptic transmission.
(Total 4 marks)
Q2.
Outline the fight or flight response.
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
(Total 3 marks)
Q3.
Lotta’s grandmother suffered a stroke to the left hemisphere, damaging Broca’s area and
the motor cortex.
(a) Using your knowledge of the functions of Broca’s area and the motor cortex,
describe the problems that Lotta’s grandmother is likely to experience.
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
(4)
(b) Lotta worries that because of her grandmother’s age she will not be able to make
any recovery.
Using your knowledge of plasticity and functional recovery of the brain after trauma,
explain why Lotta might be wrong.
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
, ___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
(4)
(Total 8 marks)
Q4.
Outline and evaluate one or more ways of studying the brain.
(Total 8 marks)
Q5.
Which two of the following statements about the divisions of the nervous system are
correct?
Shade two boxes only.
In the human nervous system…
A the fight or flight response occurs when the
parasympathetic division controls functioning.
B the central nervous system consists of the brain
and spinal cord.
C sensory, relay and motor neurons are all
controlled by the somatic nervous system.
D sensory neurons carry messages from the central
nervous system.
E the somatic nervous system controls voluntary
movements.
(Total 2 marks)
Q6.
Briefly outline how excitation and inhibition are involved in synaptic transmission.
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
, _______________________________________________________________________
(Total 4 marks)
Q7.
Complete the following sentence. Shade one box only.
Sensory neurons carry information
A away from the brain.
B both to and from the brain.
C towards the brain.
D within the brain.
(Total 1 mark)
Q8.
Complete the following sentence. Shade one box only.
The somatic nervous system
A comprises of two sub-systems.
B connects the central nervous system and the senses.
C consists of the brain and spinal cord.
D controls involuntary responses.
(Total 1 mark)
Q9.
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)
Q10.
Label the two areas of the synapse in the diagram below by putting the appropriate letter
in each box.