BMS1032 Neurology Example Q's

Practice questions set by my lecturer 

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1. which statement concerning the AP is correct?

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

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

3. which one of the following statements is correct about events in a chemical synapse:

  • release of NT into the synaptic cleft
  • hyperpolarisation at the presynaptic membrane
  • arrival of AP at the synaptic cleft
  • outward flow of ca2+ ions into the cleft

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

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

5. regarding reflexes?

  • withdrawal reflexes are stretch reflexes
  • withdrawal reflexes are monosynaptic reflexes
  • the knee jerk is an example of a stretch reflex
  • interneurones are the final common path for all reflexes
  • a monosynaptic reflex arc involves one or more interneurones

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