BMS1032 Neurology Example Q's

Practice questions set by my lecturer 

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1. concerning the motor cortex:

  • the coticospinal tract provides the connection between the motor cortical areas and the spinal cord
  • the motor cortex is in the parietal lobe
  • following a cerebral haemorrhage affecting the precentral gyrus of the right hemisphere, the patient feels no sensation on the left side of the body
  • the motor cortex is situated in the postcentral gyrus
  • motor areas of the cortex receive somatosensory inputs via the thalamus
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2. regarding the parasympathetic division of the ANS:

  • parasympathetic ganglionic neurones are distant from their target organs
  • sympathetic postganglionic neurones secrete noradrenaline onto their target organs
  • parasympathetic postganglionic neurones secrete noradrenaline onto their target organs
  • parasympathetic postganglionic neurons express muscarinic Ach receptors
  • parasympathetic postganglionic neurones are found in spinal segments from T1 to L2

3. which statement concerning the AP is correct?

  • it results from a larger increase in the membrane permeability to sodium ions
  • it can generate in the absence of sodium ions
  • it can summate one with another
  • it becomes larger as the stimulus strength increases
  • it may vary considerably in amplitude

4. regarding the sympathetic division of the ANS:

  • the sympathetic chain extends from the thoracic to the sacral regions of the spinal cord
  • Ach is secreted by parasympathetic postganglionic fibres
  • sympathetic postganglionic neurones are found in spinal segments from T1 to L2
  • most sympathetic preganglionic fibres secrete noradrenaline

5. which of the following is an important functional parameter of pain receptors?

  • give rise to signals that convey the location of a joint
  • can be inhibited voluntarily
  • exhibit little or no adaption
  • signal only flexion reflex at joint capsules
  • are not affected by muscle tension

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