CSGD Quiz 2 2006

1

Joan is a 45 year old woman who has been experiencing headaches. Her visual acuity is normal as is her colour vision. Her visual fields are shown below. The MOST LIKELY cause of her problem is:




2

A spot of light is shone into the centre of a ganglion cell receptive field causing the cell to increase the number of action potentials it fires. Which ONE of the following statements is CORRECT?


3

Following a viral infection, a patient's inner and outer hairs at the apical end of the right cochlear are damaged. The result will be:


4

Which ONE of the following statements is CORRECT?


5

A 46 year old woman presents with twitches of the face and upper limbs and personality changes. After molecular testing she is diagnosed with Huntington disease. Which ONE of the following statements is CORRECT?


6

A subdural haematoma is caused by:


7

Which ONE of the following is associated with the middle meatus of the nasal cavity?


8

In the course of a neurological examination it is noticed that the tendon reflex (monosynaptic stretch reflex) is abnormally strong and brisk when elicited from the left patella and left achilles tendon. The tendon reflexes from the right leg are normal. Which ONE of the following statements about this symptom is CORRECT?


9

During the maintenance of standing posture, the monosynaptic ("stretch") reflex activation of gastrocnemius muscle due to ankle flexion can be facilitated or diminished depending on whether gastrocnemius contraction helps to correct the postural challenge. The BEST description of the neural basis of this adaptive modulation of spinal reflexes is:


10

Which ONE of the following statements about the forebrain is CORRECT?