BMS1032 Neurology Example Q's

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1. regarding the parasympathetic division of the ANS:

  • parasympathetic ganglionic neurones are distant from their target organs
  • parasympathetic postganglionic neurons express muscarinic Ach receptors
  • parasympathetic postganglionic neurones are found in spinal segments from T1 to L2
  • sympathetic postganglionic neurones secrete noradrenaline onto their target organs
  • parasympathetic postganglionic neurones secrete noradrenaline onto their target organs
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2. which of the following statement concerning the velocity of AP propagation is correct?

  • unaffected if the axon becomes demyelinated
  • slower in myelinated axons
  • independent of axon diameter
  • fast in myelinated axons
  • faster in unmyelinated axons

3. The resting membrane potential is mainly determined by?

  • the Na+/K+/ATPase
  • the Ca2+ gradient
  • the K+ gradient
  • the Cl- gradient
  • the Na+ gradient

4. regarding the sympathetic division of the ANS:

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

5. which of the following concerning NMJ is correct?

  • the motor nerve endings secrete acetylcholine
  • the muscle membrane possesses muscarinic receptors
  • the motor nerve endings secrete noradrenaline
  • the motor nerve endings express muscarinic receptors
  • the motor nerve endings secrete adrenaline

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