BMS1032 Neurology Example Q's

Practice questions set by my lecturer 

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1. regarding reflexes?

  • the knee jerk is an example of a stretch reflex
  • withdrawal reflexes are monosynaptic reflexes
  • a monosynaptic reflex arc involves one or more interneurones
  • interneurones are the final common path for all reflexes
  • withdrawal reflexes are stretch reflexes
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2. a single somatic motor neuron and all the muscle fibres it innervates =

  • a sarcomere
  • a contraction
  • a NMJ
  • a motor unit
  • an endplate

3. the principal intracellular cation is:

  • Ca2+
  • K+
  • Na+
  • H+
  • Cl-

4. regarding the basal ganglia in motor control:

  • parkinsons is caused by neuronal degeneration within the basal ganglia
  • disorders of the basal ganglia produce a marked loss of sensation
  • parkingsons is caused by neuronal degeneration within the motor cortex
  • the basal ganglia lie just outside the spinal cord
  • the basal ganglia are not involved in voluntary movement

5. which statement concerning the role of Ca2+ in the contraction of skeletal muscle is correct?

  • a rise in intracellular Ca2+ allows actin to interact with myosin
  • the tension of skeletal muscle fibres is partly regulated by G proteins
  • Ca2+ ions do not play a role in the contractile process
  • the mitochondria acts as a store of Ca2+ for the contractile process
  • Ca2+ entry across the plasma membrane is important in sustaining the contraction of skeletal muscle
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